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J Korean Assoc Oral Maxillofac Surg. 2000 Feb;26(1):80-84. Korean. Original Article.
Shin SH , Heo J , Kim KH , Chung IK .
Department of Oral & Maxillofacial Surgery, Medical College, Dong-A University.
Department of Oral & Maxillofacial Surgery, Dental College, Pusan University.

Tumors of the parotid gland are the most frequently encountered salivary gland tumors. Knowledge of the histology and anatomy of the salivary gland is important when considering the histiogenesis of salivary gland tumors, requiring close cooperation between the pathologist and the surgeon. Most tumors are benign epithelial formations. Pleomorphic adenomas predominate. Superficial lobectomy is adequate treatment. When the tumor involves a deep lobe, total parotidectomy is indicated. Treatment of malignant tumors depends on the histology, its TNM stage and other factors. Total parotidectomy with lymph adectomy and radiotherapy are needed in case of high grade malignancy. In children, vascular neoplasias are the most frequent, followed by malignant tumors. Their histological features and treatment are the same as for adults. We reviewed 64 cases of the parotid tumors at Department of surgery, Dong-A University Hospital from July. 1990 to Jan. 1999 for the purpose of apprehension of parotid gland tumor by the clinical study and review. Over all sex ratio was 1: 1.13 (M: F), mean age was 38.9 years, mean size was 3.53cm. According to histologic findings of 64 cases, pleomorphic adenoma was 55 (85.9%), Warthin's tumor was 3 (4.7%), mucoepidermoid carcinoma was 3 (4.7%), squamous cell carcinoma was 2 (3.1%), acinic cell carcinoma was 1 (1,6%). Post op. facial nerve palsy 16 (25%), Frey's syndrome 11 (17.2%) cases were happened. Hence, the clinical manifestation of pain, tenderness, facial N. palsy suggest malignant tumors.

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