JAMA Dermatology

Chloracne

This case report describes hyperpigmented, pruritic lesions on the patient’s face and chest that worsened over the previous 3 weeks.

International Consensus Definition and Diagnostic Criteria for Generalized Pustular Psoriasis From the International Psoriasis Council

Importance  Generalized pustular psoriasis (GPP) lacks internationally accepted definitions and diagnostic criteria, impeding timely diagnosis and treatment and hindering cross-regional clinical and epidemiological study comparisons. Objective  To develop an international consensus definition and diagnostic criteria for GPP using the modified Delphi method….

Trichomegaly Due to Panitumumab

This case report describes an adult male patient with a severe acneiform eruption on his chest and back.

Red Nodule on the Scalp in a Healthy Young Man

A man in his 40s was referred for an 8-mm red, firm, mobile nodule with irregular red lacunae and vessels and an absence of septa. What is your diagnosis?