顎骨に発生した脈瘤性骨嚢胞の2例

概要

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Aneurysmal bone cyst is a benign cystic lesion of bone, and the incidence of this disease in the jaw is low. We reported two cases of aneurysmal bone cyst of the jaw. A 31-year-old woman presented with complaints of pain and swelling at the left side of the face. Since X-ray and CT-scan suggested a cystic lesion, cystectomy was performed. The lesion was histologically diagnosed to be an aneurysmal bone cyst. The other patient, a 40-year-old man, showed swelling at the right mandible. The patients occlusion was impaired by the gingival swelling. X-ray findings showed the presence of a honeycomb-like lesion at the body and ramus of the mandible. CT-scan findings showed buccal and lingual expansion at the molar region. Microscopic features of the biopsy specimen were consistent with diagnosis of an aneurysmal bone cyst. We performed conservative curettage of the lesion. The postoperative courses of both of these cases were uneventful, and there has been no sign of recurrence after 7 years and 4 years, respectively.