Tc99m 방사성 동위원소 검사에서 열결절을 보이지 않는 양측성 Warthin씨 종양 1예

Warthin’s tumor is common benign tumor of the parotid gland. This tumor is well encapsulated, different from pleomorphic adenoma which has pseudopods, and easily cured by simple tumor excision. Because Warthin’s tumor is composed of oncocytes, it generally accumulates of technetium 99m (Tc-99m) pertechnetate in a radionuclide scan. Scintigraphy with 99mTc-pertechnetate is used for the differential diagnosis. But authors have recently experienced a case of no visible hot accumulation of 99mTc-pertechnetate in a 67-year-old man with multicentric and bilateral Warthin’s tumor. (J Clinical Otolaryngol 2001;12:125-128)