颌下异位胸腺在临床上比较罕见,由于无明显症状容易造成误诊和治疗失误.本文报道1例异位胸腺引起颌下包块的病例,并结合文献对其进行讨论.%Submandibular ectopic thymus is rare in clinical. As this lesion is usually asymptomatic, it easily leads to misdiagnosis and treatment failure. This article reported a case of submandibular mass caused by ectopic thymus, and discussed based on relevant literatures.
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