Febrile Ulceronecrotic Mucha-Habermann Disease
This case report describes an otherwise healthy 30-year-old man who presented with a sudden onset, rapidly progressive, and painful skin eruption accompanied by fever lasting for 1 week.
JAMA Dermatology
Alopecia Areata–Specific Patient-Reported Outcome Measures
Importance Alopecia areata (AA) has a high prevalence worldwide and causes considerable morbidity in patients. Patient-reported outcomes (PROs) have become an important component of clinical outcome assessment. The quality of existing AA-specific PRO measures (PROMs) has not been evaluated to date….
Circular Necrotic Yellow-Red Plaque on the Chest
A man in his 40s presents with a progressively enlarging yellow-red plaque on the chest with multiple central yellow papules, open comedones, and telangiectasia. What is your diagnosis?
Subungual Amelanotic Melanoma
This case report describes a light pink plaque underneath an atrophied and broken nail plate that was surrounded by depigmentation.
A Firm Pigmented Plaque on the Forearm of a Child
A 12-year-old boy was referred to the dermatology clinic with a nonprogressive hyperpigmented and indurated plaque on his right forearm for 5 years. What is your diagnosis?
Folliculitis Decalvans
This case report describes a woman in her 40s who presented with a 4-year history of progressive hair loss with associated pruritus and pain and was diagnosed with folliculitis decalvans.
Late-Onset Diffuse Xanthomas in an Adult Man
A man in his 60s presented to the hospital with fever, joint pain, and second-degree atrioventricular block. Physical examination revealed diffuse xanthomata, most prominent in the periorbital region. What is your diagnosis?
Primary Cutaneous Nocardiosis
This case report describes a woman in her 20s with lesions on the right ring finger that evolved into pustules.
Peristomal Erosion in a Man With Crohn Disease
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…
Perianal Paget Disease
This case report describes a woman in her 70s with an erythematous plaque with superficial erosion, focal white scale, and surrounding hyperpigmentation located circumferentially around the anus and extending anteriorly to involve the perineum.
