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4. Manifestaciones cutáneas y características histológicas de la pitiriasis liquenoide y varioliforme aguda.

Author

Sofía Arteaga-Calderón, Aura, Saldarriaga-Santamaría, Sara, David SerranoArias, Jonathan, and María Mejía-Giraldo, Ana

Subjects
*PETROLATUM, *SKIN biopsy, *MACULES, *EPIDERMIS, *ETIOLOGY of diseases
Abstract

Lichenoid pityriasis comprises a clinicopathological spectrum of inflammatory skin disorders known as chronic lichenoid pityriasis (PLC), acute lichenoid pityriasis and varioliform pityriasis (PLEVA), and Mucha-Habermann febrile ulceronecrotic disease. PLEVA is a condition with an unknown origin, incidence, and prevalence; however, infections are considered the most common cause, with some vaccines and medications being secondary etiologies to consider. Pharmacological management is not mandatory, and its goal is to expedite recovery and improve symptoms. We present the case of a 58-year-old male patient who sought medical attention for lesions consisting of macules, plaques, and crusts located on the trunk and proximal extremities. Skin biopsy revealed an atypical lymphoid infiltrate in the epidermis with annex destruction consistent with acute lichenoid and varioliform pityriasis of unknown etiology, subsequently treated with systemic antibiotics and topical petroleum jelly on the lesions, resulting in satisfactory improvement. [ABSTRACT FROM AUTHOR]

Published
2024
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5. Immunophenotyping and viral studies in pityriasis lichenoides et varioliformis acuta lesions.

Author

Mishlab, Salih, Avitan‐Hersh, Emily, Zohar, Yaniv, Szwarcwort‐Cohen, Moran, and Bergman, Reuven

Subjects
*IN situ hybridization, *T cells, *CD8 antigen, *IMMUNOHISTOCHEMISTRY, *IMMUNOPHENOTYPING, *PARVOVIRUS B19
Abstract

Background: The underlying pathogenesis of pityriasis lichenoides et varioliformis acuta (PLEVA) remains unclear, although immunologic injury and viral etiology have been suggested. Objective: To evaluate and expand the immunophenotype of PLEVA and to search for possible viral pathogens. Methods: Formalin‐fixed, paraffin‐embedded specimens of 20 patients with PLEVA and 9 patients with common inflammatory dermatoses (ID) were studied for immunophenotyping and for human herpesvirus (HHV) 1 and 2, cytomegalovirus (CMV), HHV‐8, parvovirus B19, and Epstein–Barr virus (EBV) immunohistochemistry. The presence of HHV‐6, HHV‐7, and enteroviruses was assayed molecularly. Results: The numbers of CD8+ T cells and T‐cell intracellular antigen‐1 (TIA‐1)+ cells were statistically significantly higher in PLEVA compared to the ID group. Immunohistochemistry for human HHV‐1 and HHV‐2, CMV and HHV‐8, parvovirus B19, and in situ hybridization for EBV were all negative. There was molecular evidence for HHV‐7 in only one PLEVA case (5%). Molecular studies for HHV‐6 and enterovirus involvement were negative in all the PLEVA specimens. Conclusions: The predominant T‐cell infiltrate in PLEVA is dominated by CD8+ cells, and by increased numbers of TIA1+ cells, which may indicate a cytotoxic T‐cell damage to the epidermis. Viral presence was not detected. [ABSTRACT FROM AUTHOR]

Published
2024
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6. Casos de Pitiriasis Versicolor en niños de 7 a 11 años en condiciones sanitarias precarias.

Author

Aponte Córdova, Cecilia Jacqueline, Silverio Calderón, Carmen Elizabeth, Chica Quevedo, Sandra Elizabeth, León Peláez, Kristhel Mishelle, and Maldonado Guerrero, Emerson Armando

Abstract

Copyright of Revista de Investigación en Salud VIVE is the property of Revista de Investigacion en Salud VIVE and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2024
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7. Pityriasis Versicolor

Author

Isa, Mariel, Berth-Jones, John, Series Editor, Goh, Chee Leok, Series Editor, Maibach, Howard I., Series Editor, Lipner, Shari R., Series Editor, and Robles, Wanda, editor

Published
2024
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11. Pityriasis following COVID-19 vaccinations: a systematic review

Author

Laura Duzett, Guadalupe Mercado, Vasiliki Tasouli-Drakou, Alicia Kane, and Alison Tam

Subjects
COVID-19, vaccination, booster, pityriasis, systematic review, rash, Dermatology, RL1-803
Abstract

In the wake of a global COVID-19 pandemic, where innovations in vaccination technology and the speed of development and distribution have been unprecedented, a wide variety of post-vaccination cutaneous reactions have surfaced. However, there has not been a systematic review that investigates pityriasis eruptions and the associated variants following COVID-19 inoculations. A PubMed search using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) was performed to find case reports from the earliest record through November 2022. Data including types of vaccination and pityriasis were extracted and a quality review was performed. 47 reports with 94 patients were found: 64.9% had pityriasis rosea (PR), 3.2% PR-like eruptions, 16.0% pityriasis rubra pilaris (PRP), 7.4% pityriasis lichenoides et varioliformis acuta (PLEVA), 3.2% pityriasis lichenoides chronica (PLC), and 5.3% had reactions described as “atypical”. The top three COVID-19 vaccinations reported were Pfizer-BioNTech (47.9%), Oxford-AstraZeneca (11.7%), and Moderna (8.5%). Pityriasis reactivity was reported most frequently after the Pfizer-BioNTech vaccination, with pityriasis rosea being the most common variant. A large difference was additionally found between the ratio of post-vaccination pityriasis reactions following Pfizer and Moderna vaccinations (5.63), and the ratio of Pfizer’s usage in the United States as of December 28, 2022 relative to that of Moderna (1.59). Further studies with adequate follow-up periods and diagnostic testing will thus need to be performed to elucidate the root of this discrepancy and better characterize the association between different pityriasis reactions and COVID-19 vaccinations.

Published
2023
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12. Pityriasis alba: current clinicoepidemiologic scenario in a rural tertiary care hospital in central India.

Author

RAMTEKE, KOMAL A., KAR, SUMIT, PATRICK, SAFA, SAWANT, AJINKYA, and AMBHORE, VIVEK

Subjects
SKIN disease prevention, SCIENTIFIC observation, RURAL conditions, RESEARCH methodology, CROSS-sectional method, TERTIARY care, SOCIOECONOMIC factors, HYPOPIGMENTATION, ATOPIC dermatitis, QUESTIONNAIRES, DATA analysis software
Abstract

Background: Pityriasis alba (PA) is a common, benign skin disorder occurring predominantly in children and adolescents. It is characterized by the presence of multiple, ill-defined, hypopigmented patches with fine scaling particularly over the face. Aims and objectives: To study the clinical characteristics and epidemiologic parameters in the context of current scenario in a rural tertiary care hospital in central India. Materials and methods: We conducted a descriptive observational study over a period of 1 year. We studied 100 clinically diagnosed patients with PA of the age group 2 to 15 years during this study. Results: Most common age group of patients observed was 6 to 10 years. About 87% patients had Fitzpatrick skin type IV followed by type III (7%) and type V (6%). Male to female ratio was 1.17:1. Maximum patients belonged to class III (50%) followed by class IV (37%) and class V (10%) according to the modified Kuppuswamy socioeconomic status scale (2018). Maximum patients had age of onset ranging from 6 to 10 years. Clinical characteristics revealed that maximum patients had 0 to 5 patches, with a duration of 1 to 2 months most commonly over cheeks. Associated features such as itching, scaling, and erythema were present in 18%, 98%, and 1% of the patients, respectively. Pallor was observed in 28% patients. However, significant history of atopy was elucidated in only 21% of patients. Around6%patients showed positive family history of having PA and 14% having a positive history of atopy in first-degree family members. Conclusion: Due to the easily visible hypopigmented patches most commonly over face, PA is a common cause of concern in pediatric age group. In recent times, possibility of multiple factors other than atopy should be kept in mind while thinking of the associating or implicating factors which will lead to proper management of this pigmentary disorder. [ABSTRACT FROM AUTHOR]

Published
2022
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13. Research from University of Sherbrooke Provides New Data on Pityriasis Rubra Pilaris (A case of pityriasis rubra pilaris secondary to ponatinib).

Subjects
PITYRIASIS rubra, CHRONIC myeloid leukemia, SKIN diseases, CONNECTIVE tissue diseases, PROTEIN-tyrosine kinase inhibitors
Abstract

Researchers from the University of Sherbrooke in Canada have published a case study on pityriasis rubra pilaris, a rare skin condition. The study focused on a 63-year-old woman who developed this condition as a side effect of the drug ponatinib, used to treat leukemia. The researchers found that managing dose-dependent skin reactions while continuing cancer therapy is crucial. [Extracted from the article]

Published
2025

14. Researchers' from Central Clinical Hospital Report Details of New Studies and Findings in the Area of Pityriasis (Pityriasis versicolor: insight into current knowledge and treatment possibilities).

Subjects
YOUNG adults, NEWSPAPER editors, SKIN diseases, PATIENT compliance, RANDOMIZED controlled trials
Abstract

Researchers from Central Clinical Hospital in Lodz, Poland, have conducted a study on pityriasis versicolor, a common skin condition caused by yeast. The study aims to synthesize current medical knowledge on the condition and its treatment options, highlighting the challenges of high relapse rates and psychological distress. While progress has been made in managing pityriasis versicolor, further research is needed to optimize treatment efficacy and reduce relapse rates. The study emphasizes the importance of randomized controlled trials and innovative therapies to address this dermatological concern. [Extracted from the article]

Published
2025

15. Research from Chirayu Medical College and Hospital Yields New Study Findings on Pityriasis (A study of psoriasiform and lichenoid tissue reactions in various papulosquamous skin diseases and their clinicopathological association).

Abstract

A recent study conducted at Chirayu Medical College and Hospital in Madhya Pradesh, India, focused on the clinicopathological association of various papulosquamous skin diseases, particularly pityriasis. The research involved 100 patients with non-infectious papulosquamous skin lesions, confirming diagnoses through histopathological examination. The study found that psoriasis was the most common skin disease among the patients, with a positive clinicohistopathological association in 86% of cases. The research concluded that histopathology confirmed the diagnosis in 86% of cases, provided the diagnosis in 6% of cases, and was non-contributory in 8% of cases. [Extracted from the article]

Published
2024

16. Reports from Dermatology Unit Describe Recent Advances in Pityriasis Rubra Pilaris (Uncommon Presentation of Pityriasis Rubra Pilaris of the Scalp: Clinical, Trichoscopic, and Histopathologic Features and Review of the Literature).

Abstract

A recent study published in Medicina discusses an uncommon presentation of Pityriasis Rubra Pilaris (PRP) solely affecting the scalp. The study highlights the diagnostic challenges of PRP due to its varied clinical manifestations and the limited literature on scalp involvement. The research presents a case report of a 59-year-old female with unique clinical, trichoscopic, and histopathological features, emphasizing the importance of understanding scalp manifestations in PRP for accurate diagnosis and treatment strategies. The study compares its findings with existing literature, enriching overall clinical knowledge of PRP. [Extracted from the article]

Published
2024

17. Study Findings from Cairo University Broaden Understanding of Pityriasis (Detection of Il-17a and Il-17f Gene Polymorphism In Recurrent and Disseminated Pityriasis Versicolor: a Case-control Study).

Subjects
SINGLE nucleotide polymorphisms, REPORTERS & reporting, GENETIC polymorphisms, SKIN diseases, ELECTRONIC records
Abstract

A recent study conducted at Cairo University in Egypt explored the genetic factors associated with recurrent and disseminated pityriasis versicolor (RDPV), a common skin condition characterized by its recurrent and disfiguring nature. The study focused on the IL-17A and IL-17F gene polymorphisms and their potential role in the development of RDPV. The research found that these gene polymorphisms were significantly associated with an increased risk of developing RDPV. These findings contribute to a better understanding of the immune response and genetic factors involved in the development of this skin condition. [Extracted from the article]

Published
2024

18. Reports from University of Naples Federico II Add New Study Findings to Research in Pityriasis Rubra Pilaris (Emerging Role of Biologic Drugs Targeting IL-17 and IL-23: Pityriasis Rubra Pilaris).

Subjects
PITYRIASIS rubra, INTERLEUKIN-17
Abstract

The article discusses new findings on pityriasis rubra pilaris (PRP), a rare and challenging inflammatory skin condition, emphasizing the potential role of biologic drugs targeting the interleukin-17 (IL-17) and IL-23 pathways in its treatment. Topics discussed include the therapeutic challenges posed by PRP, the off-label use of IL-17 and IL-23 inhibitors, and the need for further studies to establish standardized treatment guidelines.

Published
2024

19. New Acne Vulgaris Study Results Reported from Weill Cornell Medicine (Factors Associated With Pityriasis Versicolor In a Large National Database).

Subjects
ACNE, DATABASES, DERMATOMYCOSES
Abstract

The article discusses new findings from Weill Cornell Medicine on factors associated with pityriasis versicolor (PV), a fungal skin infection, using data from a large national database. Topics include the demographics of PV patients, their association with acne, and how factors like age and diabetes influence PV risk.

Published
2024

20. Studies from Menoufia University Provide New Data on Pityriasis (Concurrent Genotyping and Expression of Nlrp3 Inflammasome In Pityriasis Versicolor Patient's Skin Lesions).

Subjects
NLRP3 protein, INFLAMMASOMES, MOLECULAR biology, CLINICAL biochemistry, ELECTRONIC records
Abstract

The article reports on new research from Menoufia University, revealing insights into the genetic factors influencing Pityriasis versicolor, focusing on the NLRP3 inflammasome and its associated SNP. Topics include the role of the NLRP3 rs35829419 SNP in disease susceptibility, the higher NLRP3 levels in patients compared to controls, and the potential for targeting NLRP3 in treatments for Malassezia-related skin disorders.

Published
2024

21. Report Summarizes Pityriasis Rubra Pilaris Study Findings from Harvard Medical School (Rapid Clearance of Extensive Juvenile Pityriasis Rubra Pilaris With Ixekizumab).

Abstract

A recent report from Harvard Medical School discusses the findings of a study on the treatment of juvenile pityriasis rubra pilaris, a rare inflammatory skin disorder. The study focused on a 6-year-old boy who experienced rapid clearance of the condition within 2 weeks of starting ixekizumab therapy. The therapeutic effect has been durable at 6 months, and the patient continues on the therapy without adverse effects. This case highlights a new and effective treatment option for pediatric patients with this rare condition. [Extracted from the article]

Published
2024

22. Department of Dermatology Researchers Add New Study Findings to Research in Pityriasis Lichenoides (Pityriasis lichenoides et varioliformis acuta-like secondary syphilis: a case report of a rare cutaneous presentation).

Abstract

A case report from the Department of Dermatology in Porto, Portugal, discusses the challenges of diagnosing secondary syphilis due to its diverse cutaneous presentations. The report focuses on a 33-year-old male with HIV-1 infection who presented with erythematous macules that progressed to papulovesicles and papules with central necrosis and serohemorrhagic crust. The clinical picture was consistent with pityriasis lichenoides et varioliformis acuta (PLEVA), but further examinations confirmed a diagnosis of PLEVA-like secondary syphilis. The patient was successfully treated with benzathine penicillin. The report emphasizes the importance of recognizing this rare cutaneous presentation of syphilis. [Extracted from the article]

Published
2024

23. Shandong First Medical University Researchers Report Recent Findings in Pityriasis Rubra Pilaris (Loss-of-function mutations in Keratin 32 gene disrupt skin immune homeostasis in pityriasis rubra pilaris).

Abstract

A recent study conducted by researchers at Shandong First Medical University has shed light on the pathogenic mechanism underlying pityriasis rubra pilaris (PRP), an inflammatory skin condition characterized by hyperkeratotic follicular papules and erythematous desquamative plaques. The study found significant associations between PRP and heterozygous mutations in the Keratin 32 gene (KRT32), which is predominantly localized in basal keratinocytes and inhibits skin inflammation by antagonizing the NF-kB pathway. Loss-of-function mutations in KRT32 among PRP patients result in NF-kB hyperactivation. The findings suggest that KRT32 could serve as a therapeutic target for PRP, offering insights into the regulation of skin immune homeostasis by keratin. [Extracted from the article]

Published
2024

24. Researchers at St. Louis University Target Adverse Drug Reactions (Clinicopathologic Features of Pityriasis Rosea-like Drug Eruption Secondary To Imatinib: a Case Report and Review of the Literature).

Abstract

A new report from researchers at St. Louis University discusses the clinicopathologic features of a case of pityriasis rosea-like drug eruption secondary to imatinib, a drug used in the treatment of chronic myeloid leukemia. Pityriasis rosea is a skin condition characterized by erythematous and scaly lesions, and drug eruptions that resemble this condition have been reported. The distinction between classic pityriasis rosea and drug-related eruptions is important for management purposes. The study found that while the clinical morphology of the drug-related eruption mimics classic pityriasis rosea, unique histopathologic findings can aid in distinguishing between the two. [Extracted from the article]

Published
2024

26. Hangzhou Hospital of Traditional Chinese Medicine Researchers Describe Research in Pityriasis Rosea (Pityriasis Rosea-Like Eruption following anti-fatigue traditional herbs: Aconitum carmichaelii Debx and Panax Ginseng suspected).

Abstract

A study conducted by researchers at the Hangzhou Hospital of Traditional Chinese Medicine explores the development of pityriasis rosea-like eruption (PR-LE) following the use of anti-fatigue traditional herbs, specifically Aconitum carmichaelii Debx and Panax Ginseng. The researchers describe a case in which a patient developed PR-LE six days after taking these herbs, and the symptoms notably faded after 17 days of discontinuing their use. The study emphasizes the importance of monitoring potential adverse effects when using anti-fatigue herbs. The full research article can be accessed for free through BMC Complementary Medicine and Therapies. [Extracted from the article]

Published
2024

27. Reports Summarize Respiratory Syncytial Viruses Findings from University of Chile (Post-infectious Pityriasis Rubra Pilaris In Pediatric Patients).

Subjects
PITYRIASIS rubra, RESPIRATORY syncytial virus, CHILD patients, POST-infectious disorders, PEDIATRIC respiratory diseases, RESPIRATORY syncytial virus infections
Abstract

A new report from the University of Chile discusses the cases of two pediatric patients with post-infectious pityriasis rubra pilaris (PRP) triggered by a respiratory syncytial virus infection. PRP is a rare skin condition with an unknown cause, but it has been associated with infections, autoimmune diseases, and neoplasms. The patients' PRP resolved after treatment with topical emollients, topical corticosteroids, and calcineurin inhibitors. This research has been peer-reviewed and provides valuable insights into the relationship between PRP and respiratory syncytial virus infections in pediatric patients. [Extracted from the article]

Published
2024

28. Reports Outline Pityriasis Lichenoides Study Findings from Mie University (Pityriasis Lichenoides et Varioliformis Acuta Developing during Pembrolizumab Treatment for Bladder Cancer).

Abstract

A recent study conducted by researchers at Mie University in Tsu, Japan, has reported a rare case of pityriasis lichenoides et varioliformis acuta (PLEVA) developing in a patient undergoing pembrolizumab treatment for invasive bladder cancer. PLEVA is a type of skin condition that can occur as an immune-related adverse event (irAE) in patients receiving anti-PD-1 immunotherapies. The researchers hypothesize that the anti-PD-1 antibody may contribute to epidermal necrosis by increasing the expression of cytolytic molecules in CD8+ T cells. This study highlights the potential skin-related side effects of immunotherapy treatments and the need for further research in this area. [Extracted from the article]

Published
2024

29. Weekly hair washing: The recommended solution for women with afro-textured hair to alleviate dandruff and scalp discomfort.

Author

Fajuyigbe D, Sewraj P, Connétable S, Molamodi K, Clavaud C, Dufour O, Matthews N, and Dlova NC

Subjects
Male, Humans, Female, Scalp, South Africa, Hair, Pruritus etiology, Pruritus therapy, Paresthesia, Dandruff therapy, Pityriasis, Malassezia
Abstract

Dandruff and scalp discomfort are common concerns for women and men in Africa. Moreover, women with afro-textured hair are prone to scalp discomfort owing to irregular hair washing, frequent use of oil-based products on their scalp, and harsh chemical treatments. Current literature does not, however, provide data on the pathophysiological mechanisms of these conditions in this population. In this study, we investigated the mechanisms behind scalp discomfort and dandruff in women of African descent before and after hair washing. We conducted the in Durban, South Africa, over a 3-week period with 60 women of African descent aged 20-40 years. The respondents were equally divided into a "dandruff" and a "no dandruff" group, based on clinical grading of adherent dandruff by a dermatologist. Malassezia spp. and bacterial loads were quantified by quantitative polymerase chain reaction. Evaluations of scalp condition and sample collection were performed at five time points during the 3 weeks. Data on discomfort symptoms were collected via a self-assessment questionnaire. We observed that the dandruff severity peaked at the end of the first week after hair washing and plateaued from thereon in both groups. Dandruff was associated with higher Malassezia and bacterial load counts and there was a direct correlation between the Malassezia spp. load and dandruff score. Via self-assessment questionnaire responses submitted by participants, we observed that itching was the most pronounced scalp discomfort, compared with the sensation of tingling and burning at baseline, while an improvement of the scalp symptoms of dandruff and itch was observed in both groups after one hair wash. The study also showed that higher colonization with Malassezia spp. and bacteria is associated with dandruff independently of the time point, confirming a scalp microbiome contribution to the dandruff pathophysiology in the study population. The benefits of washing were, however, not sustained after 1 week and we thus recommend weekly hair washing for long-term management of dandruff and scalp itchiness in this population., (© 2024 Japanese Dermatological Association.)

Published
2024
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30. Clinical characteristics and long-term outcome of 223 patients with mycosis fungoides at a single tertiary center in Korea: A 29-year review

Author

Kee Suck Suh, Kang Hoon Lee, Seol Hwa Seong, Min Soo Jang, Do Ik Kwon, Jang Hwan Jung, and Jong Bin Park

Subjects
medicine.medical_specialty, Mycosis fungoides, Skin Neoplasms, medicine.diagnostic_test, business.industry, Biopsy, Cutaneous T-cell lymphoma, Pityriasis lichenoides, Dermatology, Pityriasis, Prognosis, medicine.disease, Pityriasis Lichenoides, Mycosis Fungoides, Skin biopsy, Overall survival, Humans, Medicine, T-stage, Stage (cooking), business, Retrospective Studies, Skin
Abstract

Background Data regarding Asian patients with mycosis fungoides (MF) are limited. Objective We aimed to investigate the clinical profile and long-term outcomes of patients with MF in Korea. Methods A retrospective review of 223 patients with MF who were followed up for more than 6 months or died of MF within 6 months of diagnosis was performed. Results Approximately 96.4% and 3.6% of the patients had an early stage and advanced stage, respectively. The mean age at diagnosis was 44.8 years. The mean duration of symptoms before diagnosis was 47.0 months. Various subtypes were noted, including mycosis fungoides palmaris et plantaris (21.5%), folliculotropic (8.5%), pityriasis lichenoides-like (6.7%), ichthyosiform (4.0%), lichenoid purpura-like (2.7%), and hypopigmented (2.2%) MF. Juvenile patients accounted for 16.6%. The higher the skin T stage, the poorer the response to treatment. The 10-year overall survival was 96.8% in early-stage patients and 25.0% in advanced-stage patients. General prognosis was favorable, while recurrence and subtype switching were seen in 29.4% and 2.7% of patients, respectively. Limitations Our patients may not represent all Korean patients with MF. Conclusion MF in Korea has a high proportion of variants, a younger age at onset, and favorable prognosis. A high index of suspicion and skin biopsy are needed for early diagnosis.

Published
2022
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31. New Human Herpesvirus 6 Study Findings Recently Were Published by Researchers at Tekirdag Namik Kemal University [Association between Pityriasis Rosea (PR) and HHV-6/HHV-7 Infection: Importance of Sample Selection and Diagnostic Techniques].

Abstract

Researchers at Tekirdag Namik Kemal University have published a study on the association between Pityriasis Rosea (PR) and human herpesvirus 6 (HHV-6) and human herpesvirus 7 (HHV-7) infections. The study aimed to clarify the etiology of PR by examining tissue and plasma samples using molecular methods and evaluating the results with serological parameters. The results showed that HHV-6 and HHV-7 were present in PR patients, supporting their role in the etiology of PR. The researchers recommend using different biological materials simultaneously and calibrated quantitative real-time polymerase chain reaction (CQ RT-PCR) as a diagnostic technique to clarify the etiology of PR and avoid confusion. [Extracted from the article]

Published
2024

32. Universidade Federal do Parana (UFPR) Reports Findings in Pityriasis Lichenoides (Pityriasis lichenoides: assessment of 41 pediatric patients).

Subjects
CHILD patients, SCHOOL children, CONNECTIVE tissue diseases
Abstract

A recent study conducted by the Universidade Federal do Parana (UFPR) in Curitiba, Brazil, examined the characteristics and treatment response of pediatric patients with pityriasis lichenoides, a skin condition. The study analyzed the medical records of 41 patients under the age of 15 and found that the most common form of the condition was pityriasis lichenoides chronica (PLC), primarily affecting schoolchildren and adolescents. The study also observed two peaks in the frequency of cases, which coincided with infectious outbreaks. Remission rates were higher in patients who received antibiotic therapy or phototherapy, and the chance of remission was greater in patients with disease onset after the age of 5. [Extracted from the article]

Published
2024

33. Recent Findings in Biologics Described by Researchers from Wake Forest University (Biologics for Treatment of Pityriasis Rubra Pilaris: a Literature Review).

Abstract

A recent literature review conducted by researchers from Wake Forest University in Winston-Salem, North Carolina, explores the use of biologics for the treatment of pityriasis rubra pilaris (PRP), a papulosquamous skin condition. The review analyzed 77 relevant articles and found that TNF-alpha inhibitors have been effective in treating PRP. However, newer treatments such as anti-interleukin (IL)-17 and anti-IL-23 therapies show promise in achieving remission. Biologics may offer advantages such as reduced dosing frequencies, improved quality of life, and decreased frequency and severity of flares. This research provides valuable information for clinicians in selecting biologic treatments for PRP patients. [Extracted from the article]

Published
2024

34. Pityriasis Rubra Pilaris - a difficult path to optimal treatment. Case report.

Author

Smyk J, Kamińska A, Borowy P, Major P, Gołojuch K, and Batko B

Subjects
Humans, Male, Aged, Dermatologic Agents therapeutic use, Pityriasis Rubra Pilaris drug therapy, Acitretin therapeutic use, Methotrexate therapeutic use, Isotretinoin therapeutic use
Abstract

Pityriasis Rubra Pilaris is a rare, chronic inflammatory dermatosis of unknown etiology, presenting with erythema and papular eruptions. Treatment is difficult due to the lack of causal therapy, guidelines and requires an individualized approach. The most common treatments are systemic retinoids, immunosuppressants, phototherapy and biological therapy. This article presents the case of a 73-year-old man suffering from type 1 pityriasis rubra pilaris. The patient was initially treated with acitretin, which was discontinued due to hypogammaglobulinemia. This rare side effect of acitretin has not been previously published. As a second-line treatment, the patient received methotrexate, but with no clinical improvement after 3 months and an increase in skin pruritus. Finally, the use of isotretinoin resulted in significant clinical improvement and was well tolerated.

Published
2024
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37. Research from Government Medical College in Acne Vulgaris Provides New Insights (Prevalence of skin diseases among hostellers attending the tertiary care hospital).

Abstract

A new report discusses research findings on acne vulgaris, a common skin disease. The study aimed to determine the prevalence of skin diseases among hostellers and identify the causative factors. The most prevalent skin disease among the participants was pityriasis capitis, followed by acne vulgaris and pediculosis capitis. The study found that proper hygiene, sleep patterns, and self-care can help reduce the incidence of skin diseases. The research was conducted at the Government Medical College in Pudukottai, Tamil Nadu, India. [Extracted from the article]

Published
2024

38. Medical College of Rzeszow University Researchers Report Recent Findings in Cutaneous Lupus Erythematosus (Dermoscopy for the Differentiation of Subacute Cutaneous Lupus Erythematosus from Other Erythematous Desquamative Dermatoses-Psoriasis,...).

Abstract

A recent study conducted by researchers at the Medical College of Rzeszow University in Poland focused on the differentiation of subacute cutaneous lupus erythematosus (SCLE) from other erythematous-desquamative dermatoses. The researchers used videodermoscopy to assess the usefulness of this technique in distinguishing SCLE from conditions such as psoriasis, nummular eczema, mycosis fungoides, and pityriasis rosea. They found that SCLE was characterized by a polymorphous vascular pattern, gray-brown dots, and peripheral pigmentation, which were helpful in distinguishing it from other dermatoses. The study concluded that videodermoscopy can be a valuable tool in the diagnosis of SCLE. [Extracted from the article]

Published
2024

39. New Pityriasis Rubra Pilaris Findings from Baylor University College of Medicine Reported (Pityriasis Rubra Pilaris: an Updated Review of Clinical Presentation, Etiopathogenesis, and Treatment Options).

Subjects
PITYRIASIS rubra, SYMPTOMS, UNIVERSITIES & colleges, HIV infections
Abstract

A recent study conducted by Baylor University College of Medicine in Houston, Texas, provides an updated review of Pityriasis Rubra Pilaris (PRP), a rare skin condition that significantly impacts quality of life. The study discusses the different variants of PRP, their clinical presentations, and the challenges in diagnosis and treatment. The research also highlights the potential causes of PRP, including infection, malignancy, and drug/vaccine administration, although further research is needed to establish causality. The study concludes by discussing recent therapeutic options and insights into the pathogenesis of PRP. [Extracted from the article]

Published
2024

40. Studies from Consorci Hospital General Universitari de Valencia Have Provided New Data on Pityriasis Lichenoides (Dermoscopy As a Diagnostic Aid In Pityriasis Lichenoides Et Varioliformis Acuta).

Abstract

A report from Consorci Hospital General Universitari de Valencia in Spain discusses research on Pityriasis Lichenoides, a skin condition. The study focuses on three patients with Pityriasis Lichenoides et Varioliformis Acuta (PLEVA) and highlights the correlations between clinical, dermoscopic, and histological features. The researchers suggest that observing dermatoscopic findings, such as specific vessels and globules, can aid in a rapid diagnosis, potentially avoiding the need for invasive techniques. The study concludes that dermoscopy can be a useful diagnostic tool for PLEVA. [Extracted from the article]

Published
2023

41. University of Kufa Researchers Focus on Pityriasis Lichenoides (Pityriasis Lichenoides; A Case Series With Clinical And Histological Evaluation In A Sample Of Sixteen Iraqi Patients In Najaf).

Abstract

A recent study conducted by researchers at the University of Kufa focused on pityriasis lichenoides, an uncommon skin disorder. The study aimed to evaluate the clinical and histological features of pityriasis lichenoides among sixteen Iraqi patients in Najaf. The results showed that pityriasis lichenoides mainly affects young adults, with females being more affected by the chronic variant and males being more affected by the acute variant. The study also found that more urban patients with skin phototype III were affected. The findings of the study were consistent with previous literature on the subject. [Extracted from the article]

Published
2023

42. Pityriasis Amiantacea

Author

Fangyi Xie and Sindhuja Sominidi-Damodaran

Subjects
Pityriasis, Scalp Dermatoses, Humans, General Medicine
Published
2022

43. Researchers at Shiraz University of Medical Sciences Publish New Data on Pityriasis (Direct molecular analysis of Malassezia species from the clinical samples of patients with pityriasis versicolor).

Abstract

Keywords: Health and Medicine; Papulosquamous Skin Diseases and Conditions; Pityriasis; Skin Diseases and Conditions EN Health and Medicine Papulosquamous Skin Diseases and Conditions Pityriasis Skin Diseases and Conditions 1513 1513 1 10/09/23 20231013 NES 231013 2023 OCT 13 (NewsRx) -- By a News Reporter-Staff News Editor at Genomics & Genetics Weekly -- Investigators publish new report on pityriasis. Polymerase chain reaction-restriction fragment length polymorphism assay using HhaI restriction enzyme was applied for the identification and differentiation of Malassezia species. Health and Medicine, Papulosquamous Skin Diseases and Conditions, Pityriasis, Skin Diseases and Conditions. [Extracted from the article]

Published
2023

44. Kurume University School of Medicine Reports Findings in Pityriasis Rubra Pilaris (Patients with keratinization disorders due to ABCA12 variants showing pityriasis rubra pilaris phenotypes).

Subjects
PITYRIASIS rubra, KERATINIZATION, ICHTHYOSIS, INFANT diseases, SKIN diseases, PHENOTYPES
Abstract

Keywords: Kurume; Japan; Asia; Congenital Abnormalities; Health and Medicine; Ichthyosis; Infant and Newborn Diseases and Conditions; Keratosis; Papulosquamous Skin Diseases and Conditions; Pityriasis; Pityriasis Rubra Pilaris; Skin Abnormalities; Skin Diseases and Conditions; Skin and Connective Tissue Diseases and Conditions EN Kurume Japan Asia Congenital Abnormalities Health and Medicine Ichthyosis Infant and Newborn Diseases and Conditions Keratosis Papulosquamous Skin Diseases and Conditions Pityriasis Pityriasis Rubra Pilaris Skin Abnormalities Skin Diseases and Conditions Skin and Connective Tissue Diseases and Conditions 282 282 1 10/09/23 20231009 NES 231009 2023 OCT 14 (NewsRx) -- By a News Reporter-Staff News Editor at Pediatrics Week -- New research on Skin Diseases and Conditions - Pityriasis Rubra Pilaris is the subject of a report. Kurume, Japan, Asia, Congenital Abnormalities, Health and Medicine, Ichthyosis, Infant and Newborn Diseases and Conditions, Keratosis, Papulosquamous Skin Diseases and Conditions, Pityriasis, Pityriasis Rubra Pilaris, Skin Abnormalities, Skin Diseases and Conditions, Skin and Connective Tissue Diseases and Conditions. [Extracted from the article]

Published
2023

45. New Pityriasis Data Have Been Reported by Researchers at Department of Microbiology (Antifungal susceptibility testing of Malassezia spp isolated from patients with Pityriasis versicolor and healthy individuals).

Abstract

Drugs and Therapies, Health and Medicine, Papulosquamous Skin Diseases and Conditions, Pityriasis, Skin Diseases and Conditions Keywords: Drugs and Therapies; Health and Medicine; Papulosquamous Skin Diseases and Conditions; Pityriasis; Skin Diseases and Conditions EN Drugs and Therapies Health and Medicine Papulosquamous Skin Diseases and Conditions Pityriasis Skin Diseases and Conditions 1498 1498 1 08/28/23 20230901 NES 230901 2023 SEP 1 (NewsRx) -- By a News Reporter-Staff News Editor at Drug Week -- Investigators discuss new findings in pityriasis. [Extracted from the article]

Published
2023

46. Barnet Hospital Researcher Discusses Research in Pityriasis (PA18 Pityriasis rotunda associated with glucose-6-phosphate deficiency in an adolescent boy).

Abstract

Anions, Dehydrogenase, Enzymes and Coenzymes, Health and Medicine, Papulosquamous Skin Diseases and Conditions, Phosphates, Phosphoric Acids, Pityriasis, Skin Diseases and Conditions Keywords: Anions; Dehydrogenase; Enzymes and Coenzymes; Health and Medicine; Papulosquamous Skin Diseases and Conditions; Phosphates; Phosphoric Acids; Pityriasis; Skin Diseases and Conditions EN Anions Dehydrogenase Enzymes and Coenzymes Health and Medicine Papulosquamous Skin Diseases and Conditions Phosphates Phosphoric Acids Pityriasis Skin Diseases and Conditions 1062 1062 1 07/10/23 20230714 NES 230714 2023 JUL 14 (NewsRx) -- By a News Reporter-Staff News Editor at Health & Medicine Week -- Fresh data on pityriasis are presented in a new report. [Extracted from the article]

Published
2023

47. New Pityriasis Study Findings Have Been Reported by Researchers at Department of Microbiology (Pityriasis Versicolor: host susceptibility in relation to IL-10 and IFN g cytokine gene polymorphism).

Abstract

Cytokines, Genetics, Health and Medicine, Intercellular Signaling Peptides and Proteins, Papulosquamous Skin Diseases and Conditions, Pityriasis, Skin Diseases and Conditions Keywords: Cytokines; Genetics; Health and Medicine; Intercellular Signaling Peptides and Proteins; Papulosquamous Skin Diseases and Conditions; Pityriasis; Skin Diseases and Conditions EN Cytokines Genetics Health and Medicine Intercellular Signaling Peptides and Proteins Papulosquamous Skin Diseases and Conditions Pityriasis Skin Diseases and Conditions 851 851 1 07/10/23 20230714 NES 230714 2023 JUL 14 (NewsRx) -- By a News Reporter-Staff News Editor at Genomics & Genetics Weekly -- Fresh data on pityriasis are presented in a new report. [Extracted from the article]

Published
2023

48. Eskisehir Osmangazi University Reports Findings in Pityriasis Lichenoides (Narrowband ultraviolet B phototherapy for pityriasis lichenoides: A real-life experience).

Subjects
VITILIGO, PHOTOTHERAPY, CONNECTIVE tissue diseases
Abstract

Eskisehir, Turkey, Eurasia, Drugs and Therapies, Health and Medicine, Lichenoid Eruptions, Papulosquamous Skin Diseases and Conditions, Parapsoriasis, Pediatrics, Photomedicine, Phototherapy, Pityriasis, Pityriasis Lichenoides, Skin Diseases and Conditions, Skin and Connective Tissue Diseases and Conditions Keywords: Eskisehir; Turkey; Eurasia; Drugs and Therapies; Health and Medicine; Lichenoid Eruptions; Papulosquamous Skin Diseases and Conditions; Parapsoriasis; Pediatrics; Photomedicine; Phototherapy; Pityriasis; Pityriasis Lichenoides; Skin Diseases and Conditions; Skin and Connective Tissue Diseases and Conditions EN Eskisehir Turkey Eurasia Drugs and Therapies Health and Medicine Lichenoid Eruptions Papulosquamous Skin Diseases and Conditions Parapsoriasis Pediatrics Photomedicine Phototherapy Pityriasis Pityriasis Lichenoides Skin Diseases and Conditions Skin and Connective Tissue Diseases and Conditions 106 106 1 07/03/23 20230707 NES 230707 2023 JUL 8 (NewsRx) -- By a News Reporter-Staff News Editor at Pediatrics Week -- New research on Skin Diseases and Conditions - Pityriasis Lichenoides is the subject of a report. [Extracted from the article]

Published
2023

49. New COVID-19 Study Findings Recently Were Reported by Researchers at University of Texas MD Anderson Cancer Center (Pityriasis Rubra Pilaris After Moderna Covid-19 Vaccination: a Case Report and Literature Review).

Subjects
PITYRIASIS rubra, SARS-CoV-2, LITERATURE reviews, COVID-19 pandemic, COVID-19 vaccines, ACNEIFORM eruptions
Abstract

Keywords: Houston; State:Texas; United States; North and Central America; Biological Products; COVID-19; Communicable Disease Control; Coronavirus; Environment and Public Health; Health and Medicine; Immunization; Papulosquamous Skin Diseases and Conditions; Pityriasis; Pityriasis Rubra Pilaris; Public Health; Public Health Practice; RNA Viruses; Risk and Prevention; SARS-CoV-2; Severe Acute Respiratory Syndrome Coronavirus 2; Skin Diseases and Conditions; Skin and Connective Tissue Diseases and Conditions; Vaccination; Vaccines; Viral; Virology EN Houston State:Texas United States North and Central America Biological Products COVID-19 Communicable Disease Control Coronavirus Environment and Public Health Health and Medicine Immunization Papulosquamous Skin Diseases and Conditions Pityriasis Pityriasis Rubra Pilaris Public Health Public Health Practice RNA Viruses Risk and Prevention SARS-CoV-2 Severe Acute Respiratory Syndrome Coronavirus 2 Skin Diseases and Conditions Skin and Connective Tissue Diseases and Conditions Vaccination Vaccines Viral Virology 274 274 1 04/24/23 20230428 NES 230428 2023 APR 30 (NewsRx) -- By a News Reporter-Staff News Editor at NewsRx COVID-19 Weekly -- Current study results on Coronavirus - COVID-19 have been published. According to the news reporters, the research concluded: "To the best of our knowledge, this is the third reported case of Moderna COVID-19 vaccination-associated PRP and collectively the 18(th) after the administration of all COVID-19 vaccines currently available, including Pfizer-BioNTech, and AstraZeneca.". [Extracted from the article]

Published
2023

50. Research Reports on Pityriasis Rubra Pilaris from University of Ottawa Provide New Insights (Pityriasis rubra pilaris partially responsive to treatment with upadacitinib: A case report).

Abstract

Health and Medicine, Papulosquamous Skin Diseases and Conditions, Pityriasis, Pityriasis Rubra Pilaris, Skin Diseases and Conditions, Skin and Connective Tissue Diseases and Conditions Keywords: Health and Medicine; Papulosquamous Skin Diseases and Conditions; Pityriasis; Pityriasis Rubra Pilaris; Skin Diseases and Conditions; Skin and Connective Tissue Diseases and Conditions EN Health and Medicine Papulosquamous Skin Diseases and Conditions Pityriasis Pityriasis Rubra Pilaris Skin Diseases and Conditions Skin and Connective Tissue Diseases and Conditions 4829 4829 1 04/10/23 20230414 NES 230414 2023 APR 14 (NewsRx) -- By a News Reporter-Staff News Editor at Health & Medicine Week -- Investigators publish new report on pityriasis rubra pilaris. [Extracted from the article]

Published
2023

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