颈清扫术的早期并发症已有很多报道,但在术后几个月出现的晚期并发症却很少有报道。这种晚期并发症,如功能损害和疼痛症状,也有人报道在手术侧发生锁骨骨折。但是在锁骨区的外生骨疣,只有Pfeifle等报道过。本文报告一例左侧颈清扫术后4个月,在左侧锁骨的胸骨端上,发现了与胸骨舌骨肌肥大有关的骨块,该骨块最初误诊为转移性鳞癌。患者男性,43岁,因舌左侧鳞癌,于1977年2月行舌部分切除及颈清扫木,术后无特 There have been many reports of early complications of neck dissection, but late complications that occur months after surgery are rarely reported. This late complications, such as functional impairment and painful symptoms, have also been reported in the surgical side of the occurrence of clavicular fractures. However, exostoses in the clavicle area have only been reported by Pfeifle et al. This article reports a case of left cervical neck dissection 4 months after the left side of the sternum in the clavicle, found with the sternal hyoid muscle hypertrophy related bone, the bone was initially misdiagnosed as metastatic squamous cell carcinoma. Male, 43 years old, with squamous cell carcinoma on the left side of the tongue. In February 1977, the tongue was partially resected and the neck was cleared. No postoperative special