A school-aged girl presented to the dermatology clinic with a 6-year history of hair loss and short hair, and light microscopy of scalp hair shafts revealed no structural abnormalities, such as cuticular damage, twisting, bending, or miniaturization. What is your…
A man in his 70s presented with a 6-month history of a rash on the left forearm, which gradually increased in severity. What is your diagnosis?
A man in his 80s presents with multiple yellowish to erythematous papules and verrucous cobblestone-like plaques on the mucosal surface on both sides of his tongue. What is your diagnosis?
Importance Although several clinician- and patient-reported outcome measures have been developed for trials in hidradenitis suppurativa (HS), there is currently no consensus on which measures are best suited for use in clinical practice. Identifying validated and feasible measures applicable to the…
A man in his 60s presented with a 5-year history of diffuse erythematous, edematous annular plaques, low-grade fevers, and mild leukopenia. What is your diagnosis?
A man in his late 60s who had received the first cycle of a chemotherapeutic regimen of ixazomib, lenalidomide, and dexamethasone for multiple myeloma presented to the dermatologic clinic with a 10-day history of fever and tender lesions on the…
A man in his 80s had a 4-week history of progressive weakness and fatigue, with associated development of purple bruiselike lesions on his head. What is your diagnosis?
A 74-year-old man with a history of multiple squamous cell carcinomas presents with a 5-mm bright pink, dome-shaped papule with overlying vessels at the crown of the scalp. What is your diagnosis?
A woman in her late 70s with a history of immunoglobulin A monoclonal gammopathy of unknown significance presents with a tender, draining lesion of the central face. What is your diagnosis?
A woman in her late 40s presented with a 40-year history of hard nodules on the scalp, feet, trunk, and lower extremities. What is your diagnosis?
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