Parotid Gland Keratocystoma

**Semantic type:** Neoplastic Process

**Definition:** A benign neoplasm that arises from the parotid gland. It is characterized by the presence of multicystic formations, lined by neoplastic stratified squamous epithelium and containing keratotic lamellae. The neoplastic squamous epithelial cells have bland nuclei and abundant eosinophilic cytoplasm. Focally, solid islands of squamous cells surrounded by collagenous stroma are present.

**Synonyms:** - Keratocystoma