“…7 The differential diagnosis of nasopharyngeal tumors includes Rathke's pouch, pharyngeal bursa of Luschka, Tornwaldt's cyst, intraadenoid cyst, branchial cyst, retention cyst of the seromucinous gland, abscess, dermoid cyst, meningocele, meningoencephalocele, antrochoanal polyp, teratoma, mucocele of sphenoid sinus, juvenile angiofibroma, pleomorphic adenoma, lymphoma, minor salivary gland malignancy, and nasopharyngeal carcinoma. As it is one of the most common cancers among Chinese males, nasopharyngeal carcinoma is always included in the differential diagnosis.…”