Linear pink plaques
Two patients present to the dermatology clinic with pink rashes — one with a hyperpigmented rough patch on the nose, the other with pink papules in a linear pattern on the lateral thigh.
All articles by Kerri Robbins, MD
Newly developed brown papules
Two patients present with newly developed brown papules. The first patient, a 45-year-old man, presented with a new mole that continues to grow and is associated with occasional pruritus and bleeding. The second patient, a 47-year-old man, presented with a 6-month history of a brown, growing “mole.” Can you differentiate between the two?
Infant hand and foot blisters
Two patients present with blisters. One has bilateral blister formation on the dorsum of the hands, the other has blisters on the foot, face and diaper regions. Can you differentiate between the two?
Painless, annular lesions
Two patients present with painless annular lesions. One presented to the dermatology clinic with a two-month history of a ringed rash on his abdomen, and the other patient had a three-week history of a slowly enlarging, pruritic rash on his left arm. Can you differentiate between the two?
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