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Background/objectivesA recent marked increase in pediatric and adult patients presenting with purpuric acral lesions concerning for ischemia, thrombosis and necrosis has been observed in COVID-19 prevalent regions worldwide. The clinical and histopathological features and relationship to COVID-19 have not been well described. The objective of this case series is to describe the clinical features and determine the histopathologic findings and clinical implications of the clusters of acral perniosis cases identified in pediatric patients.MethodsWe describe six otherwise healthy adolescents-three siblings per family from two unrelated families-presented within a 48-hour period in April, 2020, with acral perniosis-like lesions in the context of over 30 similar patients who were evaluated within the same week.ResultsAffected patients had mild symptoms of viral upper respiratory infection (URI) or contact with symptomatic persons 1-2 weeks preceding the rash. They all presented with red to violaceous macules and dusky, purpuric plaques scattered on the mid and distal aspects of the toes. Skin biopsies performed on each of the six patients demonstrated near identical histopathologic findings to those of idiopathic perniosis, with a lymphocytic inflammatory infiltrate without evidence of thromboembolism or immune complex vasculitis. While SARS-CoV-2 polymerase chain reaction was negative, testing was performed 1-2 weeks after URI symptoms or sick contact exposure.ConclusionWe offer a clinical approach to evaluation of patients with this presentation and discuss the possibility that these skin findings represent a convalescent-phase cutaneous reaction to SARS-CoV-2 infection.

ABSTRACT Background/Objective Methods Results Conclusions The demand for pediatric dermatology services in the U.S. is high, especially at large academic healthcare centers. eConsultation programs provide a solution to poor in‐person access by offering diagnostic and management support to primary care providers (PCPs). To determine the real‐world utility of eConsultation in pediatric dermatology within a closed system at a major academic center, we assessed the outcomes, diagnostic and management concordance, and predictors of eConsult completion of an asynchronous provider‐to‐provider pediatric dermatology eConsult program.Retrospective cohort study of 900 consecutive outpatient pediatric dermatology eConsult referrals from PCPs at a tertiary academic center from 2017 to 2021.Of 900 eConsult referrals, 621 (69%) were completed without the need for in‐person dermatology follow‐up. 46 (5%) were completed but required follow‐up. 233 eConsult referrals (26%) were declined, primarily due to medical complexity. Thirty referrals (3%) were declined because of inadequate clinical photos. The PCP communicated eConsult recommendations to the patient/family on an average of 1.6 days (SD 3) after receiving the completed eConsult. eConsults for adolescents were less likely to be completed compared to infants (p = 0.03). Diagnostic and management concordance between PCP and dermatologist was 78% and 67%, respectively.Provider‐to‐provider eConsultation provides rapid speciality guidance to PCPs managing low‐complexity skin conditions in pediatric outpatients. The lower rate of management plan concordance compared to diagnostic concordance suggests that eConsultation improves outpatient skin management by PCPs. [ABSTRACT FROM AUTHOR]

The clinical features of pediatric psoriasis warrant further attention. A national study was conducted to determine the prevalence of scalp and nail involvement and a history of guttate psoriasis at onset according to age, sex, and disease severity. One hundred eighty-one children ages 5 to 17 years with plaque psoriasis were enrolled in a multicenter, cross-sectional study. Subjects and guardians were asked about a history of scalp and nail involvement and whether the initial presentation was guttate. Peak psoriasis severity was assessed and defined historically as mild psoriasis (MP) or severe psoriasis (SP) according to the Physician's Global Assessment and body surface area measures. One hundred forty-three (79.0%) subjects reported a history of scalp involvement, and 71 (39.2%) described a history of nail involvement. Boys were less likely than girls to report a history of scalp involvement (odds ratio [OR] = 0.40, 95% confidence interval [CI] = 0.19-0.84) but more likely to have had nail involvement (OR = 3.01, 95% CI = 1.62-5.60). Scalp and nail involvement was not related to psoriasis severity. In contrast, subjects with SP (35.9%) more often reported a history of guttate lesions than did those with MP (21.8%) (p = .02). Antecedent streptococcal infection was more common in children with guttate than those with plaque psoriasis at onset (p = .02) but did not correlate with severity. Sex-related differences in scalp and nail involvement suggest koebnerization. Preceding streptococcal infection predicts guttate morphology but not severity, and initial guttate morphology is associated with eventual greater severity of disease. More aggressive monitoring and management should be considered for guttate psoriasis, given its later association with more severe disease.

Provider‐to‐provider outpatient pediatric dermatology eConsultation services increase access to care, but barriers exist that may prevent eConsult implementation and survival. We deployed cross‐sectional surveys to referring pediatric primary care physicians and consulting pediatric dermatologists participating in our eConsult program to identify barriers to utilization and sustainability. Our data suggest that eConsultation increases access to care and offers iterative educational opportunities for primary care providers, which may ultimately reduce office referrals for common outpatient skin issues. Sustainability of eConsult services requires simple order templates, clear representative photos, concise submission reports, and provider reimbursement. [ABSTRACT FROM AUTHOR]

Methotrexate (MTX) is a readily accessible drug, first used in 1948 and employed for a wide variety of indications since then. However, despite widespread off‐label use, FDA labeling does not include approved indications for the use of MTX for many inflammatory skin diseases in pediatric patients, including morphea, psoriasis, atopic dermatitis, and alopecia areata, among others. Without published treatment guidelines, some clinicians may be hesitant to use MTX off‐label, or uncomfortable prescribing MTX in this population. To address this unmet need, an expert consensus committee was convened to develop evidence‐ and consensus‐based guidelines for use of MTX to treat pediatric inflammatory skin disease. Clinicians with experience and expertise in clinical research, drug development, and treating inflammatory skin disease in pediatric patients with MTX were recruited. Five committees were created based on major topic areas: (1) indications and contraindications, (2) dosing, (3) interactions with immunizations and medications, (4) adverse effects (potential for and management of), and (5) monitoring needs. Pertinent questions were generated and addressed by the relevant committee. The entire group participated in a modified Delphi process to establish agreement on recommendations for each question. The committee developed 46 evidence‐ and consensus‐based recommendations, each with >70% agreement among members, across all five topics. These are presented in tables and text, along with a discussion of supporting literature, and level of evidence. These evidence‐ and consensus‐based recommendations will support safe and effective use of MTX for the underserved population of pediatric patients who may benefit from this valuable, time‐honored medication. [ABSTRACT FROM AUTHOR]

ABSTRACT Background/Objectives Methods Results Conclusions Integrated care models, like combined rheumatology/dermatology clinics (RDCs), facilitate efficient coordination between specialists and provide comprehensive care. Given the limited literature on pediatric RDC logistics, outcomes, benefits and, challenges, we comprehensively characterized our patient cohort at the UCSF Benioff Children's Hospital RDC and surveyed pediatric dermatologists participating in RDCs.We retrospectively reviewed 71 patients new to the UCSF Pediatric RDC between September 2017 and September 2023. A survey was distributed in 2024 to 17 dermatologists in North America, each representing a unique pediatric RDC.69% of patients (49/71) were female. Seventeen (24%) presented without a known diagnosis; the first RDC visit established a diagnosis for 7 of them (41%). Of patients with a previously established diagnosis, initial RDC evaluation confirmed it in 52 (96%) and revised it for 2 (4%). The most encountered diagnoses were linear morphea (33%), lupus (23%), and psoriasis (13%). New systemic therapy was prescribed for 23% of patients, and additional work‐up was recommended via skin biopsy (8%) and imaging (28%). Survey results revealed all pediatric RDCs include trainees, but only 59% (10/17) receive administrative support. All agreed that RDCs are valuable for patient care and most (15/17, 88%) felt that the RDC was a valuable use of their time.Pediatric RDCs are valuable for consensus diagnosis, streamlined evaluation, and management of complex patients. Though clinical and administrative support for RDCs is generally poor, RDCs are valuable to patients, a good use of time for clinicians, and offer educational opportunities for team members. [ABSTRACT FROM AUTHOR]

Calcinosis cutis (CC) is characterized by the deposition of calcium salts in the skin and subcutaneous tissues. CC involving the vulva or foreskin (prepuce) is uncommon. We present a 9‐year‐old female with vulvar CC and a 15‐year‐old male with preputial CC. Microscopic review of excisional specimens revealed calcification associated with follicular cysts in the vulvar case and lichen sclerosus in the preputial case, suggesting a dystrophic origin to a subset of cases of genital CC that might otherwise be classified as idiopathic. The clinical implication of these findings is the need for close histopathologic scrutiny and ongoing clinical surveillance of patients with genital CC initially deemed idiopathic. [ABSTRACT FROM AUTHOR]