大唾液腺腫瘍198例の臨床検討 A Clinical Study of 198 Cases of Major Salivary Gland Tumors
Between 1995 and 2005, 198 cases of major salivary gland tumors underwent surgery in our department, including 158 parotid gland tumors, 38 submandibular gland tumors and 2 sublingual gland tumors.<br>The number of parotid tumors increased annually, although submandibular gland tumors did not demonstrate any increasing trend.<br>The ratio of malignant tumors among submandibular gland tumors was 24%, which was higher than among parotid tumors (11%). In addition, the ratio of the malignant tumors among submandibular gland tumors in males (42%) was significantly higher than that in females (5%).<br>Fine needle aspiration biopsy was the most useful for diagnosis of the malignant tumors on preoperative examinations.<br>Permanent paralysis of the facial nerve after resection of parotid tumor was 29% in malignant tumors, 6% in benign tumors and 8% among parotid tumors overall. Frey's syndrome was occurred in 12%.
耳鼻咽喉科臨床 101(2), 107-113, 2008-02-01
The Society of Practical Otolaryngology