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单词 medulloepithelioma
释义

medulloepithelioma


medulloepithelioma

[mə‚dəl·ō‚ep·ə‚thē·lē′ō·mə] (medicine) A locally invasive tumor of the eye arising from the ciliary epithelium of the iris. ependymoma

medulloepithelioma


medulloepithelioma

 [mĕ-dul″o-ep″ĭ-the″le-o´mah] a brain tumor composed of primitive neuroepithelial cells lining the tubular spaces.

me·dul·lo·ep·i·the·li·o·ma

(med'yū-lō-ep'i-thē'lē-ō'mă), A rare, primitive, rapidly growing intracranial neoplasm thought to originate from the cells of the embryonic medullary canal and hence included with ependymoblastomas by some neuropathologists; ganglion cells and astrocyte maturation have also been reported. Tumors that occur in the ciliary body are referred to as embryonal medulloepitheliomas. [medullo- + epithelium + -oma, tumor]

medulloepithelioma

A highly aggressive, undifferentiated primitive neuroepithelial tumour of small children (up to age 5), which may contain bone, cartilage, and skeletal muscle; it tends to metastasise extracranially.
Medulloepithelioma of the eye arises in the ciliary epithelium; it is known as diktyoma or embryonal medulloepithelioma.

medulloepithelioma

A highly malignant undifferentiated primitive neuroepithelial tumor of children that may contain bone, cartilage, skeletal muscle; it tends to metastasize extracranially; MEs of the eye arise in the ciliary epithelium, and are termed diktyomas

me·dul·lo·ep·i·the·li·o·ma

(mĕ-dŭl'ō-ep'i-thē'lē-ō'mă) A rare, primitive, rapidly growing intracranial neoplasm thought to originate from the cells of the embryonic medullary canal. [medullo- + epithelium + -oma, tumor]

medulloepithelioma

1. A rare eye tumour affecting the CILIARY BODY or RETINA. May be BENIGN or MALIGNANT. Also known as dictyoma. 2. A rare malignant tumour of the nervous system.
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更新时间：2024/12/23 22:34:46