Sphenoid Sinus Papilloma

**Semantic type:** Neoplastic Process

**Definition:** A papilloma that arises from the ciliated respiratory mucosa that lines the sphenoid sinus.

**Synonyms:** - Schneiderian Papilloma of Sphenoid Sinus - Schneiderian Papilloma of the Sphenoid Sinus - Sphenoid Sinus Schneiderian Papilloma