Endoscopic resection of nasopharyngeal and skull base inflammatory pseudotumor

Abstract

Inflammatory pseudotumor (IP) is a rare benign group of lesions which mimics invasive malignancies clinically and radiologically. We described five cases of nasopharyngeal and skull base IP treated by endoscopic surgery. These patients suffered from headache, tinnitus and some symptoms of posterior cranial nerve injury such as hoarseness. Three of them had history of type 2 diabetes mellitus and four patients underwent mastoidectomy or puncture of tympanic membrane. The diagnosis of IP was confirmed histologically. Endoscopic surgical excision was proved to be effective and safe for anterior skull base IP.

Keywords

• Inflammatory pseudotumor
• Skull base
• Endoscopic surgery