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Thoracic Intradural Extramedullary Ependymoma with anaplastic transformation: A case report and discussion.

07:00 EST 28th November 2019 | BioPortfolio

Summary of "Thoracic Intradural Extramedullary Ependymoma with anaplastic transformation: A case report and discussion."

Intradural extramedullary spinal ependymomas arising from outside the region of the conus medullaris are rare clinical entities and anaplastic transformation of these lesions is even more exceptional.

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This article was published in the following journal.

Name: World neurosurgery
ISSN: 1878-8769
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Medical and Biotech [MESH] Definitions

Benign and malignant neoplasms which occur within the substance of the spinal cord (intramedullary neoplasms) or in the space between the dura and spinal cord (intradural extramedullary neoplasms). The majority of intramedullary spinal tumors are primary CNS neoplasms including ASTROCYTOMA; EPENDYMOMA; and LIPOMA. Intramedullary neoplasms are often associated with SYRINGOMYELIA. The most frequent histologic types of intradural-extramedullary tumors are MENINGIOMA and NEUROFIBROMA.

Excessive formation of dense trabecular bone leading to pathological fractures; OSTEITIS; SPLENOMEGALY with infarct; ANEMIA; and extramedullary hemopoiesis (HEMATOPOIESIS, EXTRAMEDULLARY).

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Benign and malignant central nervous system neoplasms derived from glial cells (i.e., astrocytes, oligodendrocytes, and ependymocytes). Astrocytes may give rise to astrocytomas (ASTROCYTOMA) or glioblastoma multiforme (see GLIOBLASTOMA). Oligodendrocytes give rise to oligodendrogliomas (OLIGODENDROGLIOMA) and ependymocytes may undergo transformation to become EPENDYMOMA; CHOROID PLEXUS NEOPLASMS; or colloid cysts of the third ventricle. (From Escourolle et al., Manual of Basic Neuropathology, 2nd ed, p21)

Surgery performed on the thoracic organs, most commonly the lungs and the heart.

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