Carcinoma of the Paranasal Sinuses
This page was last updated on: August 1, 2012
Axial CT showing involvement of the maxillary sinus and ethmoids.
Advanced squamous cell carcinoma of the maxillary sinus extending from the alveolar ridge to the orbit.
Coronal CT scan of the patient to th left.  Note the erosion of the maxilla, ethmoid and orbit.
Axial CT showing involvement of the left orbit and proptosis.
Carcinoma of the Paranasal Sinuses
Squamous cell carcinomas make up 50 to 80 % of paranasal sinus tumors.
Adenocarcinomas of salivary gland origin make up 4 to 8%.
Adenoid cystic carcinoma is the second most common salivary tumor of the sinuses.
Mucoepidermoid carcinoma is a distant third in frequency.

Otolaryngology Houston

Bechara Y. Ghorayeb, MD
OTOLARYNGOLOGY - HEAD & NECK SURGERY
Memorial Hermann Professional Buildng
1140 Business Center Drive, Suite 560
Houston, Texas 77043
For appointments, call 713 464 2614