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The light and laser-based devices used in cosmetic dermatology practice carry a risk of serious ocular injury if appropriate safety measures are not put in place. Currently there is a lack of enforced regulation around the use of these devices. This raises concerns for the handling of these devices by operators who may not have adequate training and qualifications. There is also no mandated reporting of adverse events, thus precluding determination of the true incidence of laser-induced ocular injuries. To decrease the risk of ocular and periocular laser-induced injuries, several practical measures can be implemented within the clinical setting. Scientific articles were identified by performing a literature review using terms relevant to laser eye safety and a narrative review was performed. This article explores several components of laser eye safety: patient screening and informed consent, clinical environment considerations, operator considerations, protective eyewear selection for operators and patients, when to use a corneal shield, how to place a corneal shield and what to do in the event of a suspected eye injury. It is our prerogative that a functional understanding of the scientific underpinnings of laser eye safety coupled with observance of published standards has the potential to reduce incidents. [ABSTRACT FROM AUTHOR]

Background: Sex and gender have increasingly been recognized as significant risk factors for many diseases, including dermatological conditions. Historically, sex and gender have often been grouped together as a single risk factor in the scientific literature. However, both may have a distinct impact on disease incidence, prevalence, clinical presentation, severity, therapeutic response, and associated psychological distress. Objectives and project description: The mechanisms that underlie differences in skin diseases between males, females, men, and women remain largely unknown. The specific objectives of this review paper are: To highlight the biological differences between males and females (sex), as well as the sociocultural differences between men and women (gender) and how they impact the integumentary system. To perform a literature review to identify important sex- and gender-related epidemiological and clinical differences for various skin conditions belonging to a range of disease categories and to discuss possible biological and sociocultural factors that could explain the observed differences. To discuss dermatological skin conditions and gender-affirming treatments within the transgender community, a population of individuals who have a gender identity which is different than the gender identity they were assigned at birth. Future impact: With the rising number of individuals that identify as non-binary or transgender within our increasingly diverse communities, it is imperative to recognize gender identity, gender, and sex as distinct entities. By doing so, clinicians will be able to better risk-stratify their patients and select treatments that are most aligned with their values. To our knowledge, very few studies have separated sex and gender as two distinct risk factors within the dermatology literature. Our article also has the potential to help guide future prevention strategies that are patient-tailored rather than using a universal approach. [ABSTRACT FROM AUTHOR]

Background: Granuloma annulare (GA) is challenging to treat, especially when generalized. A systematic review to support the use of light‐ and laser‐based treatments for GA is lacking. Methods: We performed a systematic review by searching Cochrane, MEDLINE, and Embase. Title, abstract, full‐text screening, and data extraction were done in duplicate. Quality appraisal was performed using the Joanna Briggs Institute critical appraisal tool for case series. Results: Thirty‐one case series met the inclusion criteria, representing a total of 336 patients. Overall, psoralen ultraviolet light A (PUVA) showed the greatest frequency of cases with complete response (59%, n = 77/131), followed by photodynamic therapy (PDT) (52%, n = 13/25), ultraviolet light B (UVB)/narrowband UVB (nbUVB)/excimer laser (40%, n = 19/47), UVA1 (31%, n = 27/86), and lasers (29%, n = 8/28). Overall across treatment modalities, higher response rates were seen in localized GA compared to generalized GA. Conclusions: The body of evidence for light‐ and laser‐based treatment of GA is sparse. Our results suggest that PUVA has a high clearance rate for GA but its use may be limited by concerns of carcinogenesis. Although PDT has the second highest clearance rate, adverse effects, small sample sizes, impractical treatment delivery (especially with generalized disease), and long‐term concerns of carcinogenesis may limit its use. Although UVB/nbUVB/excimer laser appeared slightly less effective than other light therapies, we recommend UVB/nbUVB/excimer laser therapy as a first‐line treatment for patients with generalized GA given wider availability and a favorable long‐term safety profile. [ABSTRACT FROM AUTHOR]

The widespread use of masks during the COVID-19 pandemic presents a new avenue for protecting the lower half of the face from the harms of sun exposure. The increased social acceptability of masks, which may persist post-pandemic, has the potential to impact prevention of photosensitive disorders, photoaging, and skin cancer. The authors sought to review clinically relevant information on the ultraviolet (UV) shielding properties of masks. This synthesis of current research will help physicians counsel patients on optimal mask choices, from both dermatological and public health viewpoints. The variables impacting the UV protection of masks were reviewed, including fabric type, construction, porosity, and color. Other factors related to wear and use such as moisture, stretch, laundering, and sanitization are discussed in the context of the pandemic. Black, tightly woven, triple-layered polyester cloth masks were determined to be optimal for UV protection. The most protective choice against both SARS-CoV-2 and UV radiation is a medical mask worn underneath the aforementioned cloth mask. In order to preserve the filtration capacity of the fabric, masks should be changed once they have become moist. Washing cotton masks before first use in laundry detergents containing brightening agents increases their UV protection. Overall, cloth masks for the public that are safest against SARS-CoV-2 are generally also the most protective against UV damage. People should be encouraged to procure a high-quality mask to simultaneously help reduce the spread of SARS-CoV-2 and shield against sun exposure. Further investigation is needed on the UV-protective properties of medical masks. [ABSTRACT FROM AUTHOR]

Post-inflammatory hyperpigmentation (PIH) is an acquired hypermelanosis that can result from inflammatory dermatologic disease, trauma, or iatrogenesis from procedures. This condition disproportionately affects individuals with skin of color, and it can place a significant psychosocial burden on affected patients. The management of PIH is, therefore, of great interest to clinicians, especially dermatologists. The treatment of established PIH has long been a principal focus within the literature, with publications on the topic outnumbering publications on prophylaxis of PIH. Prophylaxis strategies to prevent PIH vary greatly in clinical practice, likely due to the absence of an evidence-based consensus. Published approaches to PIH prophylaxis include pretreatment (topical alpha hydroxy acids, retinoids, hydroquinone, and brimonidine) and post-treatment strategies (photoprotection, corticosteroids, and tranexamic acid). This review will examine the current literature on prophylaxis of PIH from energy-based device treatments. [ABSTRACT FROM AUTHOR]

Summary: Background: There is no accepted method to objectively assess the visual appearance of sunscreens on the skin. Methods: We present a method for sunscreen application, digital photography, and computer analysis to quantify the appearance of the skin after sunscreen application. Four sunscreen lotions were applied randomly at densities of 0.5, 1.0, 1.5, and 2.0 mg/cm2 to areas of the back of 29 subjects. Each application site had a matched contralateral control area. High‐resolution standardized photographs including a color card were taken after sunscreen application. After color balance correction, CIE L*a*b* color values were extracted from paired sites. Differences in skin appearance attributed to sunscreen were represented by ΔE, which in turn was calculated from the linear Euclidean distance within the L*a*b* color space between the paired sites. Results: Sunscreen visibility as measured by median ΔE varied across different products and application densities and ranged between 1.2 and 12.1. The visibility of sunscreens varied according to product SPF, composition (organic vs inorganic), presence of tint, and baseline b* of skin (P < .05 for all). Conclusion: Standardized sunscreen application followed by digital photography and indirect computer‐based colorimetry represents a potential method to objectively quantify visibility of sunscreen on the skin. [ABSTRACT FROM AUTHOR]

Background: Smoking has been associated with psoriasis prevalence and severity. Objective: To evaluate prevalence of smoking in patients with psoriasis and to examine the relationship between smoking and psoriasis severity. Methods: MEDLINE, EMBASE, and Cochrane databases (1960-2012) and conference proceedings (2010-2012) were systematically searched using keywords relevant to psoriasis and smoking. Controlled studies addressing psoriasis and smoking status were included. A meta-analysis for the relative risk of smoking in psoriasis patients was performed. Results: Meta-analysis identified a significant association between smoking and psoriasis with a relative risk of 1.88 (95% CI, 1.66-2.13) for smoking in patients with psoriasis versus patients without psoriasis. Eight articles of 11 with data on smoking and psoriasis severity suggested that severity increases with smoking status. Conclusions: This literature review is in favor of a positive association between the prevalence of smoking and psoriasis as well as an association between smoking and severity of psoriasis. [ABSTRACT FROM AUTHOR]

The objective of this systematic literature review was to determine the association between cardiovascular events (CVEs) and antirheumatic drugs in rheumatoid arthritis (RA) and psoriatic arthritis (PsA)/psoriasis (Pso). Systematic searches were performed of MEDLINE, EMBASE and Cochrane databases (1960 to December 2012) and proceedings from major relevant congresses (2010-2012) for controlled studies and randomised trials reporting confirmed CVEs in patients with RA or PsA/Pso treated with antirheumatic drugs. Randomeffects meta-analyses were performed on extracted data. Out of 2630 references screened, 34 studies were included: 28 in RA and 6 in PsA/Pso. In RA, a reduced risk of all CVEs was reported with tumour necrosis factor inhibitors (relative risk (RR), 0.70; 95% CI 0.54 to 0.90; p=0.005) and methotrexate (RR, 0.72; 95% CI 0.57 to 0.91; p=0.007). Non-steroidal anti-inflammatory drugs (NSAIDs) increased the risk of all CVEs (RR, 1.18; 95% CI 1.01 to 1.38; p=0.04), which may have been specifically related to the effects of rofecoxib. Corticosteroids increased the risk of all CVEs (RR, 1.47; 95% CI 1.34 to 1.60; p<0.001). In PsA/Pso, systemic therapy decreased the risk of all CVEs (RR, 0.75; 95% CI 0.63 to 0.91; p=0.003). In RA, tumour necrosis factor inhibitors and methotrexate are associated with a decreased risk of all CVEs while corticosteroids and NSAIDs are associated with an increased risk. Targeting inflammation with tumour necrosis factor inhibitors or methotrexate may have positive cardiovascular effects in RA. In PsA/Pso, limited evidence suggests that systemic therapies are associated with a decrease in all CVE risk. [ABSTRACT FROM AUTHOR]

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The article presents a case study of a 19-year-old Caucasian woman who was admitted to the emergency room because of abdominal pain, nausea and vomiting. She had a giant congenital cellular blue nevus (GCCBN) of the scalp since birth. Magnetic resonance imaging and surgical exploration showed a deeply infiltrative lesion surrounding the lymph nodes, left parotid gland and cervical muscles. Other clinical examination revealed signet-ring cell colon adenocarcinoma.