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….
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?
This case report describes a light pink plaque underneath an atrophied and broken nail plate that was surrounded by depigmentation.
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?
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.
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?
This case report describes a woman in her 20s with lesions on the right ring finger that evolved into pustules.
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…
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.
This case report describes sparse, unruly, fragile, and easily breakable hair, with patchy alopecia with diffuse follicular papules throughout the scalp as well as short hair with an alternation of darker elliptical nodes, with paler nonmedullated paler internodes giving a…
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