• 作者： 郭英雄; 洪鈺卿; 關學婉; 林俊彬
• 作者服務機構： 國立台灣大學醫學院牙醫系
• 中文摘要： 一位17歲的男性青年，因發現左上顎頰側有個無痛但逐漸隆起的腫塊，乃於民國69年1月16日到臺大醫院牙科求診。檢查時，發現在左上顎頰側犬齒至第一大臼齒處有一個3×4×3cm大小的腫塊，堅實略有彈性。病變處之牙齒有II級之動搖，齒髓活性試驗皆為正常。X光片顯示為一界限不甚明顯之蜂窩狀蝕骨性病變，而病理切片的診斷為黏液瘤。病息於同年2月28日在全身麻 Absolute alcohol 6 ml 醉下接受左側上顎部分切除，並使用Carnoy's 溶液： Chloroform 3 ml glacial acetic acid 1 ml Ferric chloride 1 Gm燒灼周圍殘餘的膠樣腫瘤組織。手術後情況良好，於同年3月8日拆線後出院。經過半年，以鈷鉻金屬床義齒贗復，病息之外貌和咬合得以保持正常，至今手術後兩年半，無任何再發跡象。
• 英文摘要： Myxoma is a rare benign neoplasm of thejaw bone. It predominantly affects the second orthird decade of life. The exact histogenesisof the tumor is controversial, but it is believedas an aggressive primitive mesenchymaltumor. The prognosis is good; however, unless the lesion is completely removed, itmay recur. A 17-year-old adolescent was sent to theDepartment of Dentistry, National TaiwanUniversity Hospital on Jan. 26, 1980. Hecomplained of a painless swelling of the leftmaxilla for about one and half a year.Extraoral examination revealed slight enlar-gement of the left maxilla causing minorasymmetry. A lymph node measuring 1.0 by1.5 cm was palpable in the left submandibulararea. Intraorally, the swelling involved thebuccal aspect of maxilla from the left uppercanine to first molar, measuring 3.O by 4.0by 3.0 cm. It was firm to hard in consistencyand covered with normal mucosa. Vitalityreading of the involved teeth were withinnormal limits; however, the teeth were slightmovable, exhibiting degree II mobility. Radiographic examination disclosed amultilocular radiolucency extending from theleft upper canine to first molar, and themargin of radiolucency was undeterminated.The resorption of mesiobuccal root of the leftupper first molar was noted from periapicalfilm. An incisional biopsy was done and themicroscopic diagnosis of "Myxoma" wasreported. Under general anesthesia, surgicalintervention was undertaken on Feb.28, 1980. The whole tumor including the leftupper canine, two premolars and three molarswere removed by partial maxillectomy, andcauterized with Carnoy's solution. The post-operative course was smooth and uneventful. Histologic examination of the surgical speci-men confirmed the diagnosis of myxoma. Sixmonths postoperatively, a vitallium removablepartial denture was reconstructed on theedentulous region for esthetic and mastica-tory reasons. There was no recurrence ofthe tumor during two and half a year post-operative examinations.
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