周圍性齒瘤－病例報告

齒瘤為最常出現的齒源性腫瘤，出現於上顎的機率比下顎多一些，男女無差異，臨床上常伴隨出現未脫落的乳牙、埋伏齒、或有顎骨腫脹的情形，但患者通常無症狀。十二歲國小學童因為左上門牙及側門牙牙齦處腫脹來院就診，因牙齦無發炎現象且根尖X光片上並無異常病灶發現，因此初步懷疑為纖維瘤。經過手術切除腫塊後，病灶中有約一半米粒大小的白色硬塊組織而一度懷疑為骨化纖維瘤。但最後經送病理組織化驗後，檢體內含有複合性與混合性齒瘤，臨床分類屬周圍性齒瘤。齒瘤較少於牙齦中出現，臨床上可能造成牙齦腫脹，需詳細鑑別診斷。

關鍵字

周圍性齒瘤；複合性齒瘤；混合性齒瘤

並列摘要

Odontomas are most frequently discovered odontogenic tumors. The maxilla is affected slightly more often than the mandible. There is no gender predilection. Clinical signs suggestive of odontoma include a retained deciduous tooth, an impacted tooth, and jaw swelling. These lesions generally produce no symptoms. A 12 years old boy came to our clinic for upper left anterior gum swelling. The initial impression was fibroma because there was no inflammation and no abnormal radiopaque lesion in the periapical film. An excision biopsy was about 0.5x0.3 cm hard tissue and ossifying fibroma was suspected. The specimen was then sent to the pathological department for further evaluation. The pathological diagnosis was mixed compound and complex odontoma. The clinical classification was peripheral odontoma. Odontomas, especially rare cases in the gingiva may lead to gingival swelling which must be differentially diagnosed with periodontitis.

並列關鍵字

Peripheral odontoma ； complex odontoma ； compound odontoma

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周圍性齒瘤－病例報告

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