JAMA Dermatology

Extensive Confluent and Reticulated Papillomatosis

This case report describes generalized hyperkeratotic papules and plaques confluent centrally with a reticulated pattern at the periphery that spared the head, distal extremities and intertriginous areas.

Dowling-Degos Disease

This case report describes reticulated hyperpigmented macules interspersed with scattered papules and comedone-like lesions within the axillary and inguinal folds that extended over the neck, scalp, and facial regions.

Chronic Spontaneous Urticaria

This Clinical Insights outlines the clinical characteristics, diagnostic approach, and therapeutic strategies for managing chronic spontaneous urticaria.

Red Papulonodules in a Kidney Transplant Recipient

A man in his 60s who had a kidney transplant was taking mycophenolate mofetil, tacrolimus, and prednisone presented with painless lesions on the left upper extremity. What is your diagnosis?

Topical Anti-Inflammatory Treatments for Atopic Dermatitis

Clinical Question  Which topical anti-inflammatory treatments are most effective and safe for managing atopic dermatitis? Bottom Line  In a network meta-analyses, very potent/potent topical corticosteroids; tacrolimus, 0.1%; and topical Janus kinase inhibitors were among the most effective treatments for short-term control of…

Multiple Papules and Nodules on the Face and Extremities

A woman and avid gardener in her 70s with rheumatoid arthritis who was receiving long-term immunosuppression presented with a 6-month history of progressive papulonodules on her face and extremities. What is your diagnosis?

Pott Puffy Tumor

This case report describes a soft, warm, dome-shaped, erythematous, nontender nodule on the forehead.

Standardization of Lesion Classification and Assessment by Investigators in Clinical Trials for Hidradenitis Suppurativa – A Consensus Exercise Using a Modified Delphi Approach

Importance  Accurate classification and reliability in assessment for lesions of hidradenitis suppurativa (HS) by investigators is critical to the determination of responder status and to overall data quality in clinical trials. Objective  To establish consensus-based morphological definitions of HS lesions and guidance…