JAMA Dermatology

A Persistent Papular Eruption on the Cheek of a Young Woman

A woman in her 20s presented with a 9-year history of skin-colored papules with a background of hyperpigmentation on her left cheek. Before presentation, treatment with desonide and ammonium lactate was unsuccessful. What is your diagnosis?

Disordered Eating in Hidradenitis Suppurativa – A Systematic Review

Importance  Hidradenitis suppurativa (HS) is a chronic inflammatory condition characterized by painful nodules and abscesses that have a significant impact on quality of life. In addition to other psychological comorbidities, patients with HS often face body image issues and emotional distress…

Hypertrophic Lichen Planus

This case report describes symmetrically distributed hyperpigmented and hypertrophic plaques with grayish-white, adherent keratotic scales and focal excoriation.

A Solitary Firm Nodule on the Left Cheek

A woman in her 50s presented with a nodular lesion on her left cheek. Magnetic resonance imaging revealed a well-defined, hypervascular, solid tumor located within the subcutaneous tissue with no evidence of invasion into adjacent structures. What is your diagnosis?

Bullous Tinea Manuum

This case report describes a child with lesions that initially appeared as vesicles and progressively spread in a centrifugal pattern, forming concentric, spiraled rings.

Annular Cutaneous Lesion of the Neck

A woman in her 30s presented with a 1-year history of painful annular eruptions on the anterior neck, which initially appeared as several erythematous papules that gradually enlarged, coalescing into annular configurations that were occasionally accompanied by pain. What is…

Assessment of Cutaneous and Mucosal Direct Immunofluorescence Testing Practices in the US

Importance  Direct immunofluorescence (DIF) testing has been an important ancillary tool for the diagnosis of various inflammatory mucocutaneous conditions for more than 50 years. Current DIF test panels are based on historical clinical descriptions; few studies have rigorously addressed preanalytical, analytical,…

Tripe Palms

This case report describes a woman in her 60s with smoking history, chronic productive cough, weight loss, and asymptomatic thickening of the palmar skin.

Dermatologic Care and Skin Health of Migrant Populations in the US – A Scoping Review

Importance  Despite literature on migrant skin health globally, there remains a critical gap in understanding the dermatologic care and skin health of migrants in the US, where immigrants represent 13.9% of the population. Objective  To understand the spectrum of dermatologic conditions reported…