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患者男,57岁,5个月前下颌后牙区麻木,3个月前已达正中,牙齿松动。专科检查:口内颏孔区膨隆,边界不清,质地中等,左半侧唇红及皮肤麻木感,开口度正常。肿瘤质硬,触痛明显,表面无破溃,与周围组织界限不清。双侧颌下淋巴结不大。CT 所示:下颌骨体部偏左侧可见不规则形软组织密度肿物,边界不清,其内密度不均,最大层约4.7 cm×2.4 cm,邻近下颌骨骨质结构明显破坏。细胞学检查(穿
Male, 57 years old, numbness of the mandible posterior teeth area 5 months ago, reached the middle level 3 months ago with loose teeth. Specialist examination: bulging mouth area mental foramen area, the boundary is unclear, medium texture, left half lip and skin numbness, the opening degree of normal. Tumor hard, obvious tenderness, surface without rupture, and the surrounding tissue unclear. Bilateral submandibular lymph nodes is not large. CT showed: irregular mandibular body soft tissue density can be seen on the left side of the tumor, the border is unclear, the density is uneven, the maximum layer of about 4.7 cm × 2.4 cm, adjacent to the mandibular bone structure was significantly damaged. Cytology (wear