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Korean Journal of Head & Neck Oncology 1997;13(2):235-240.
Published online November 30, 1997.
The Clinical Analysis of Parotid Gland Tumors
Gwun O Gong;Jung Gyu Kim;Kyung Hyun Choi
이하선 종양에 관한 임상적 고찰
Parotid tumors constitute about 70 to 80% of all salivary tumors. Two thirds of parotid neoplasms are benign. Women are affected more often than men. Plemorphic adenoma or benign mixed tumor is the most common parotid neoplasm, accounting for 50% of all parotid tumors. The clinical presentation is a discrete, slowly enlarging mass, rarely accompanied by pain or facial paralysis. We reviewed 69 cases of the parotid tumors admitted and treated at Department of Surgery, Kosin University Hospital from Jan, 1970 to June, 1994. The results were as follows: 1) Over all sex ratio was 1 : 1.56(M : F). The sex ratio of benign and malignant tumor was 1 : 1.43(M : F) and 1 : 2.2. 2) The mean duration of symptom was 4.6 years. 3) In the peak incidence of age, Benign tumor was in 4th decade, malignant tumor was in 2nd decade. 4) The chief complaint was painless palpable mass in 65 cases(94%) and pain in 4 cases(6%). 5) The mean size of mass was 2.5cm in diameter and the ratio of lesion site was 37 : 32(Rt : Lt). 6) Superficial parotidectomy was the most common procedure(43%). 7) According to histopathologic findings of 69 cases, Benign tumor was 56 cases(81%) and malignant tumor was 13 cases (19%). In the benign cases, pleomorphic adenoma was the most common(44 cases(65%)). In the malignant, mucoepidermoid ca. was the most common(5 cases (37%)). 8) Postoperative complication occured in 9 cases(13%), facial palsy was in 7 cases, and wound hematoma was 2 cases.
Key Words: Parotid gland tumor


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