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This mixed-methods study assessed the concept validity and measurement performance of the Total Vitiligo Area Scoring Index and the Facial Vitiligo Area Scoring Index and determined meaningful change thresholds in patients with nonsegmental vitiligo.

This case series examines the effectiveness of low-dose naltrexone in treating nail lichen planus.

This scoping review examines the impact of clinical information on the histopathologic diagnosis of melanocytic skin lesions.

A man in his 30s presented with a painful ulcer on the ventral aspect of the penile shaft that had appeared 3 months before. Physical examination disclosed discrete penile swelling with an indurated yellowish plaque diffusely involving the ventral surface. What is your diagnosis?

This case report describes a man in his 60s with recalcitrant chloracne caused by chlorantraniliprole, a chlorinated pesticide, exposure successfully treated with adalimumab.

This study using data from 3 phase 3 randomized clinical trials evaluates the efficacy and adverse events of upadacitinib in adolescent patients with moderate to severe atopic dermatitis through 76 weeks.

This multicenter randomized crossover trial evaluates the use of pregabalin in the treatment of neuropathic pain and itch in patients with RDEB.

This case report describes sparse, unruly, fragile, and easily breakable hair, with patchy alopecia with diffuse follicular papules throughout the scalp as well as short hair with an alternation of darker elliptical nodes, with paler nonmedullated paler internodes giving a necklace appearance.

This cross-sectional study estimates the prevalence of genetically confirmed cases of pachyonychia congenita in Denmark.

This population-based longitudinal cohort study examines the effects of maternal HS on adverse pregnancy outcomes as well as the peripartum and long-term health outcomes of mothers and their offspring.

This multicenter daily practice cohort study investigates the drug survival of dupilumab, methotrexate, and cyclosporine A in pediatric patients with atopic dermatitis.

This cohort study evaluates the association of lipodermatosclerosis with vascular outcomes, particularly pulmonary hypertension, among patients with systemic sclerosis.

This cohort study examines the genetic association of hidradenitis suppurativa with coronary artery disease and diabetes in individuals of European ancestry from the UK Biobank.

A man in his 50s with a 10-year history of Crohn disease had intermittent bowel obstructions leading to total proctocolectomy and ileostomy, and 5 weeks after surgery he developed a painful, erosive lesion around his stoma on the anterior abdominal wall. What is your diagnosis?

This Patient Page describes the symptoms, diagnosis, and treatment of seborrheic dermatitis.

This cohort study assesses the incidence of a second melanoma diagnosis after initial diagnosis among racial and ethnic minority populations.

This case report describes a man in his 30s who presented with severe and generalized congenital ichthyosis and was treated with a combination of tralokinumab and acitretin.

This cohort study assesses the incidence of and compares factors associated with in-hospital and postdischarge mortality and sequelae among patients with epidermal necrolysis.

This diagnostic study validates the Delphi consensus diagnostic criteria for necrobiotic xanthogranuloma compared with its mimics.