神经鞘黏液瘤 (NSM )是由周围神经鞘或神经支柱起源的良性肿瘤 ,最早于 196 9年由Harkin和Reed发现报道 ,Gallager和Helwig于 1980年以“Neurothekeoma”的病名报道了 5 3例相似的病例。临床常误诊为神经纤维瘤。我科收治左颈部NSM1例 ,报告如下。1　病例报告患者 ,男 ,12岁。 Nerve sheath myxoma (NSM), a benign tumor of the origin of peripheral nerve sheaths or nerve pillars, was first reported by Harkin and Reed in 1969. Gallager and Helwig reported 53 similar cases in 1980 under the name “Neurothekeoma” Of cases. Clinically often misdiagnosed as neurofibroma. I treated the left neck NSM1 cases, the report is as follows. 1 case report patient, male, 12 years old.