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What is Koenen's tumor are seen in ? and explain in detail?
Koenen tumors, or periungual and subungual fibromas, are a benign, cutaneous manifestation of tuberous sclerosis. They are disfiguring, painful, and challenging to treat as they frequently recur . Koenen's tumor is a cutaneous condition that results in fifty percent of tuberous sclerosis cases. Ref - Davidson 23rd edition pg 838