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原发于下颌骨的平滑肌肉瘤罕见,疗效亦差,笔者诊治一例,第一次术后复发,第二次术后用顺铂辅助化疗,随访3年多未复发,报道如下。陈某,男,52岁。1986年5月23日入院。3月前右下后牙疼痛,继而牙槽肿胀,在某院行抗感染和切开引流,肿胀反加重,但无下唇麻木。6天前来我院见右下颌体后部肿大,轻度压痛,并有乒乓感,右颌下触及约1cm大淋巴结1个,质中,有压痛,活动度低。口臭明显,(?)颊舌侧肿胀,颊沟变浅,舌下襞被推向中线,牙龈肿大约4×3×3cm,褐色,表面呈颗粒样溃疡。(?)伸长,Ⅲ°松动。X 线片示右下颌体有2×3cm囊样骨破坏区,周边无骨硬化线,后缘界不清,下缘骨缺损,牙槽
The primary leiomyosarcoma of the mandible is rare, and the efficacy is also poor. The author diagnosed and treated a case, the first postoperative recurrence, the second postoperative use of cisplatin adjuvant chemotherapy, follow-up more than 3 years without recurrence, reported as follows. Chen, male, 52 years old. May 23, 1986 was admitted to the hospital. 3 months ago, the right lower back tooth was painful, then the alveolar groove was swollen. In a hospital, anti-infection and incision drainage were performed. The swelling was heavier, but there was no numbness in the lower lip. 6 days ago to our hospital to see the right posterior mandibular body swollen, mild tenderness, and a sense of ping pong, the right submandibular touch about 1cm large lymph node 1, quality, tenderness, low activity. Obvious halitosis, (?) swelling of the buccal tongue, shallow buccal sulcus, sublingual fistula was pushed to the midline, gingival swollen approximately 4 × 3 × 3cm, brown, particle-like surface ulcers. (?) Stretch, loose at III. The X-ray showed that the right mandibular body had a 2×3cm cystic bone destruction area, there was no bone-hardening line around, the borderline was not clear, the lower edge of the bone was broken, and the alveolar bone