A Case of Eruptive Collagenoma on the Left Calf
Eruptive collagenoma is a rare acquired connective tissue hamartoma consisting predominantly of collagen without family history. Eruptive collagenoma has been described as multiple small papules with areas of decreased or degenerated elastic fibers, usually on the trunk and arms. We herein report a case of eruptive collagenoma which developed on the left calf in a 16-year-old boy.
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