neurosarcoma
neurosarcoma
| Noun | 1. | neurosarcoma - a malignant neoplasm of nerve tissue and fibrous tissue and connective tissue |
| 单词 | neurosarcoma | |||
| 释义 | neurosarcomaneurosarcoma
neurosarcomaneurosarcoma[¦nu̇r·ō·sär′kō·mə]neurosarcomaneurosarcoma[noor″o-sahr-ko´mah]neu·ro·sar·co·ma(nū'rō-sar'kō'mă),malignant peripheral nerve sheath tumourA poorly understood malignancy, presumably of Schwann cell origin, which is thought to arise from the neural crest. It is the most common malignancy of peripheral nerves, and represents 5 to 10% of all soft-tissue tumours. It occurs in the lower extremities in relatively young patients (age 20 to 50). Half of cases occur in patients with neurofibromatosis type 1, in which the male:female ratio is 4:1; 2/3 of MPNSTs arise from neurofibromas, 1/3 arise de novo. Origin from pre-existing schwannomas, ganglioneuromas or phaeochromocytomas are rare; 10% arise in a background of therapeutic radiation.Management Wide local excision; radiation and chemotherapy have been used with varying degrees of failure. neurosarcomaA malignant tumor arising from the cells of Schwann in the sheaths of nerve fibres. Also known as a malignant schwannoma.neurosarcoma
Synonyms for neurosarcoma
|
|||
| 随便看 |
|
英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。