Results There were 14 schwannomas, 5 neurofibromas, 5 malignant peripheral nerve sheath tumors(MPNST), and 1 peripheral primitive neuroectodermal tumor.

结果神经鞘瘤14例，神经纤维瘤5例，恶性周围性神经鞘瘤（MP NST） 5例，原始神经外胚层瘤1例。

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Purpose to investigate the clinical pathologic characteristics and to probe into the diagnosis and differential diagnosis of the primary malignant peripheral nerve sheath tumor (MPNST) of the lung.

目的探讨肺脏原发性恶性外周神经鞘瘤(MPNST)的临床病理学特征及诊断、鉴别诊断要点。

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A benign cystic lesion resembling a tumor, occurring in a tendon sheath or joint capsule.

鞘囊肿类似肿瘤的一种良性胞囊损伤，产生于鞘或联合囊内。

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Fluker was just 11 years old when doctors discovered a peripheral nerve sheath tumor.

CNN: Students dress like Superman to remember football player

Arvind Mahankali, a 12-year-old seventh-grader from New York City, came in third when he misspelled "schwannoma, " a tumor of the sheath of a peripheral nerve.

CNN: June 1, 2012 -- Updated 1329 GMT (2129 HKT)