Solitary Subungual Keratoacanthoma Arising in an MSH2 Germline Mutation Carrier: Confirmation of a Relationship by Immunohistochemical Analysis

Background: Muir-Torre syndrome (MTS) is an autosomal dominant disorder characterized by the concurrent or sequential development of at least 1 sebaceous gland tumor or keratoacanthoma and 1 or more internal malignancies. It is actually considered as a variant of hereditary nonpolyposis colorectal c...

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