A streak of dark pigmentation in a woman’s thumb nail is an incidental finding during a leg examination.
A patient presents with a 4-month history of pain in the left hip.
A patient is referred for evaluation of an asymptomatic, deeply pigmented plaque on his scrotum.
A woman presents with a history of persistent pain in her left knee that has worsened over the past month.
A woman presents with a firm nodule on her nose.
An adolescent boy presents with pain in his left knee after playing basketball 2 days earlier.
A 10-year-old child presents for evaluation of a 5-day history of lesions on the hands. Examination reveals multiple circumscribed, hyperpigmented lesions. The lesions appeared 12 hours after the patient took oral ibuprofen for fever. Three months earlier, identical lesions appeared in the same locations after the patient took the same medication for 3 days. This…
A 29-year-old white man presents with a 10-day history of a scaly, pruritic lesion on his right posterior thigh. His medical and family histories are unremarkable. On examination, the lesion is an annular erythematous plaque with trailing scale. The polycyclic plaque has a central clearing. Biopsy is performed, the results of which show a dense…
A patient presents with numerous white cysts on his trunk and buttocks.
A patient presents with severe Charcot arthropathy.