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김동욱(Doog Woog Kim),양석민(Suk Min Yang),오성수(Sung Soo Oh) 대한두경부종양학회 2000 대한두경부 종양학회지 Vol.16 No.2
Objectives: Submandibular gland tumors is rare. The aim of this study is to get a clinical feature of submandibular gland tumors and to apply a treatment of submandibular gland tumors of future patients. Methods: We analyzed retrospectively the 18 patients with submandibular gland tumors who were treated surgically at Presbyterian Medical Center(PMC), during the period of 8 years from 1992 to 1999. Analysis was performed regarding the incidence, classification, surgical treatment, surgical complication, recurrence and prognosis. Result : 1) Male to female sex ratio was 1:1.25, the most prevalent age group was the 5th decade. 2) Benign tumors were 12 cases(66.7%) and malignant tumors were 6 cases(33.3%). 3) Histopathologically, the most common benign submandibular gland tumor was pleomorphic adenoma, and the most malignant submandibular gland tumor was adenoid cystic carcinoma. 4) In pleomorphic adenoma, excision of submandibular gland was performed in all case(8case). In malignant tumors, excision and supraomohyoid node dissection was performed in 3cases, and modified-radical neck dissection(RND) was performed in 2cases, and than standard RND was performed in 1case. 5) In the malignant tumor, we choose a radiation therapy as adjuvant therapy. 6) In a surgical complication of submandibular gland tumor, we had a facial nerve injury(1case). 7) Recurrence rate of submandibular gland tumor was 22.2%, and than all case were malignant tumor. Overall 5-year survival rate of submandibular gland cancer was 50%. Conclusion: In above results, postoperative recurrence rate is low in benign, but high in malignant tumor of submandibular gland. Surgical procedure should not be aggressive in benign tumor, but should be aggressive in malignant tumor of submandibular gland and an adjuvant radiation therapy should be considered.
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