Granulomatous Slack Skin Disease

**Semantic type:** Neoplastic Process

**Definition:** A rare variant of mycosis fungoides, characterized by the development of folds of lax skin in the axillae or groins. It has been reported in association with Hodgkin lymphoma. Morphologically, there is a dense granulomatous dermal atypical lymphocytic infiltrate, often associated with multinucleated giant cells. Destruction of elastic tissue is present. Most cases have an indolent clinical course.