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Long-standing Spiny Papules on the Lower Extremities—Quiz Case
Shannon Humphrey, MD;
Richard I. Crawford, MD, FRCPC;
Sheila Au, MD, FRCPC
University of British Columbia and St Paul's Hospital, Vancouver, British Columbia, Canada
Arch Dermatol. 2008;144(11):1509-1514.
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REPORT OF A CASE
A 48-year-old woman presented with a rough, scaly eruption of 10 years' duration involving the dorsal feet and legs. It was asymptomatic and persistent despite treatment with emollients and mechanical exfoliation. Her medical history included asthma and allergic rhinitis. There was no history of an endocrine disorder or malignant neoplasm. The patient's mother had an identical long-standing asymptomatic eruption. Physical examination revealed dozens of discrete, irregularly shaped, keratotic, spiny, skin-colored papules involving the dorsal feet and ankles (Figure 1). Similar papules were scattered to a lesser extent over the patient's bilateral legs and thighs. The dorsal hands were spared. There were no palmar or plantar pits. Manual removal of the adherent lesional scale revealed a shallow crater with an erythematous, shiny base. Findings from the remainder of the cutaneous examination were unremarkable. A 3-mm punch biopsy . . . [Full Text of this Article]
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Long-standing Spiny Papules on the Lower Extremities—Diagnosis
Arch Dermatol. 2008;144(11):1509-1514.
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