Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Mahidol University, Bangkok, Thailand.
Oral Surg Oral Med Oral Pathol Oral Radiol. 2012 Mar;113(3):414-20. doi: 10.1016/j.oooo.2011.09.009.
The calcifying cystic odontogenic tumor (CCOT) simultaneously occurring with other lesions at different locations in the same patient is rare. We report a patient with CCOT associated with an odontoma, a supernumerary tooth, and a dentigerous cyst simultaneously occurring in the maxilla. Cone-beam computed tomography (CBCT) images showed a well-defined expansile lesion with internal calcification, high-density masses surrounded by low-density area, and a supernumerary tooth at the anterior maxilla. Posterolaterally to these lesions, an embedded canine with pericoronal radiolucency was detected. Histopathologic examination revealed a CCOT associated with an odontoma, a supernumerary tooth, and a dentigerous cyst of the embedded canine. Enucleation was performed, and a 2-year postoperative follow-up was uneventful. CBCT was useful in giving the differential diagnosis by depicting internal calcification of CCOT, and in revealing the extent and complex relationship of these lesions.
在同一患者的不同部位同时发生的钙化囊性牙源性肿瘤（CCOT）较为罕见。我们报告了 1 例同时发生于上颌骨的 CCOT 合并牙瘤、额外牙和含牙囊肿的病例。锥形束 CT（CBCT）图像显示边界清晰的膨胀性病变，内部有钙化，高密度肿块周围有低密度区，在前上颌骨有额外牙。这些病变的后外侧，检测到一个带有冠周透影的埋伏犬牙。组织病理学检查显示 CCOT 合并牙瘤、额外牙和埋伏犬牙的含牙囊肿。进行了剜除术，2 年的术后随访无异常。CBCT 有助于通过显示 CCOT 的内部钙化来进行鉴别诊断，并揭示这些病变的范围和复杂关系。
