This man was born with digital deformities. X-rays show absent middle and distal 2nd, 3rd, and 4th phalanges with tapering proximal phalanges and tapering of the distal 5th phalanx and distal 1st phalanx. No TBX5 gene mutation. What’s your diagnosis?
A 5-year-old boy had pain and weakness in his legs and had trouble climbing stairs. He had a dramatic rise in CPK followed by erythematous papules on the hands, as shown, and a rash around the eyelids. Which diagnosis is most likely?
A 6-year-old boy had a 1-month history of an intensely pruritic “rash” on the left dorsal foot and left lower leg. He had a recent history of walking barefoot on a beach in south Florida where dogs are allowed. What's your diagnosis?
A 4-year-old, previously healthy girl presented with large, tense bullae involving up to 40% of her body surface area. Her parents described a 12-day history of itchy, papulovesicular lesions that had progressed into large blisters. Your dx?
A toddler from Nigeria, whose parents remained there ill with AIDS, presented with a fever and a widespread itchy eruption. Tests for HIV infection were positive. Which systemic etiologies can be ruled out when such an eruption presents?