Ethmoid Sinus Squamous Cell Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A squamous cell carcinoma that arises from the mucosal epithelial surface of the ethmoid sinus. Patients may present with nasal fullness, obstruction, and/or epistaxis.

**Synonyms:** - Epidermoid Carcinoma of Ethmoid Sinus - Epidermoid Carcinoma of Ethmoidal Sinus - Epidermoid Carcinoma of the Ethmoid Sinus - Epidermoid Carcinoma of the Ethmoidal Sinus - Ethmoid Sinus Epidermoid Carcinoma - Ethmoidal Sinus Epidermoid Carcinoma - Ethmoidal Sinus Squamous Cell Carcinoma - Squamous Cell Carcinoma of Ethmoid Sinus - Squamous Cell Carcinoma of Ethmoidal Sinus - Squamous Cell Carcinoma of the Ethmoid Sinus - Squamous Cell Carcinoma of the Ethmoidal Sinus