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口腔部位肿瘤的诊断应考虑其原发性和转移性,尽管后者发生率较低。已有报道表明肝细胞癌可发生骨转移如骨盆、股骨、脊柱等,口腔部位(包括下颌骨)的转移则少见。本文报告1例肝细胞癌转移至下颌骨病例,其中下颌骨损害为第一症状。 患者为男性,主诉左侧咬肌部位肿痛和左侧下颌骨麻木感,有吸烟史。临床检查见患者面部不对称,左咬肌和腮腺部位弥漫性肿胀;左下切牙至第一前磨牙区域感觉减退,但无面瘫;左下第二前磨牙至后磨牙区域触有硬性肿块。
The diagnosis of tumors in the oral cavity should consider its primary and metastatic, although the incidence of the latter is low. It has been reported that bone metastases such as pelvis, femur, and spine can occur in hepatocellular carcinoma, and metastases in the oral cavity (including mandible) are rare. This article reports a case of hepatocellular carcinoma metastasis to the mandible, in which the mandibular lesion is the first symptom. The patient was a man who complained of swelling and pain in the left masseter muscle and numbness in the left mandible with a history of smoking. Clinical examination revealed asymmetric facial features, diffuse swelling of the left masseter and parotid glands, a loss of sensory perception from the left lower incisor to the first premolar, but no facial paralysis, and a rigid mass in the lower left second premolar to the posterior molar area.