Vulvar Hidradenoma Papilliferum

**Semantic type:** Neoplastic Process

**Definition:** A benign glandular neoplasm that arises from the vulva. It presents as a mass or cystic lesion in or adjacent to the interlabial sulcus. It is characterized by the presence of complex branching papillae with fibrovascular stalks, lined by uniform columnar epithelial secretory cells and myoepithelial cells.

**Synonyms:** - Vulvar Papillary Hidradenoma