Eyelid Tubular Apocrine Adenoma

**Semantic type:** Neoplastic Process

**Definition:** A benign dermal adnexal neoplasm with apocrine differentiation that arises from the eyelid as an asymptomatic solitary nodule. It is characterized by the presence of lobules of tubular structures that are lined by epithelial cells. There is no cytologic atypia or mitotic figures present.