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目的提高对原发性颌骨骨内癌的认识。方法搜集临床、手术、病理证实的原发性颌骨骨内癌6例,回顾性分析其CT、临床和病理表现。结果5例发生于下颌骨,1例位于上颌骨。3例CT表现为筛孔状骨质破坏,周围形成软组织肿块。3例表现为大块溶骨性骨质破坏,在一侧形成巨大软组织肿块。2例为鳞癌,4例为腺癌,包括1例乳头状腺癌,1例黏液性乳头状腺癌;2例腺样囊腺癌。结论原发性颌骨骨内癌好发于下颌骨,CT表现为骨恶性肿瘤征象,在颌骨恶性肿瘤中应作为鉴别诊断考虑。
Objective To improve the understanding of primary jaw bone cancer. Methods Six cases of primary jaw bone cancer with clinical, operative and pathological findings were collected. The CT, clinical and pathological findings were retrospectively analyzed. Results Five cases occurred in the mandible and one in the maxilla. Three cases of CT showed bone-like bone destruction, the formation of soft tissue mass around. Three cases showed massive osteolytic osteolysis, forming massive soft tissue mass on one side. 2 cases of squamous cell carcinoma, 4 cases of adenocarcinoma, including 1 case of papillary adenocarcinoma, 1 case of mucinous papillary adenocarcinoma; 2 cases of adenoid cystadenocarcinoma. Conclusions Primary intraosseous carcinoma of the jaw is predominant in the mandible. CT is a sign of bone malignancy and should be taken as a differential diagnosis in the treatment of malignant tumors of the jaw.