The postoperative course was unremarkable.Although cervical thymic cyst is rare, it should be considered a cause of neck mass.Complete surgical excision is the treatment of choice.

• 虽然颈部胸腺囊肿是一种极为罕见的疾病，临床上，仍应将其纳入颈部肿块的鑑别诊断，而其治疗以手术切除为主，一般预后大多不错。