JAMA Dermatology

Asymptomatic Symmetrical Telangiectasia on Lower Extremities

A man in his 60s with a history of hypertension, hyperlipidemia, and coronary artery disease presented with symmetrical diffuse, reticulated telangiectatic macules covering the legs and forearms. Dermoscopy revealed prominent fine telangiectasias, which was blanchable on pressure. What is your…

Defining On-Treatment Remission in Plaque Psoriasis – A Consensus Statement From the National Psoriasis Foundation

Importance  Defining on-treatment remission in plaque psoriasis is important for benchmarking patient responses to therapies. This also helps to facilitate shared understanding, align treatment expectations, and enable more effective psoriasis management. Objective  To establish a consensus-based definition of on-treatment remission for plaque…

Hypertrophic Red-Brown Plaques

A man in his 60s presented with red-brown, ovoid, smooth hypertrophic plaques on his abdomen and confluent sclerosis on his hands. The patient had a prior diagnosis of systemic sclerosis and denied preceding trauma. What is your diagnosis?

Lupus Vulgaris

This case report describes a woman in her 60s who presented with progressive facial lesions over 10 years that initially appeared as swelling on her right cheek with erythematous, brown papules, gradually merging into asymptomatic plaques.

Waterdrop Lesions in an Adolescent Girl

A teenage girl with atopic dermatitis presented with asymptomatic, skin-colored papules on her abdomen. What is your diagnosis?

Granulomatous Cheilitis in a Young Woman

This case report describes a young woman with a diffusely swollen lower lip, normal tongue, and no history of local trauma, irritants, or allergies.

Smooth, Firm, Skin-Colored Papules on the Nasal Dorsum

A healthy 19-year-old man with Fitzpatrick skin type V presented with a 2-year history of smooth, firm, skin-colored papules on the nasal dorsum and bilateral alae. What is your diagnosis?