Abstract
Sixty three parotid tumors were resected surgically in Kobe City General Hospital from May, 1987, to December, 1989. These cases were classified according to the definitions of the World Health Organization (1972). The most common tumor in our series was pleomorphic adenoma, followed by adenolymphoma (Whartin's tumor; 22%). Compared with past studies, this percentage is much higher than that in previous reports, but the male/female ratio of 6/1 is the same.The synthetic diagnosis of parotid tumor comprises computed tomography, ultrasound, radioisotope, scintigraphy and magnetic response imaging. The synthetic diagnosis provided adequate differentiation between pleomorphic adenoma and Whartin's tumor but not between malignant and benign tumors.Ultrasound was thought to be useful as a screening test for finding a tumor in the parotid gland.
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