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Short case...Intraventricular ependymoma
1. Short case publication... Version 3.19 | Edited by professor Yasser Metwally | April 2010
Short case
Edited by
Professor Yasser Metwally
Professor of neurology
Ain Shams university school of medicine
Cairo, Egypt
Visit my web site at:
http://yassermetwally.com
A 26 years old male patient presented with manifestations of increased intracranial pressue.
DIAGNOSIS: INTRAVENTRICULAR SUPRATENTORIAL EPENDYMOMA
2. Figure 1. Precontrast CT scan: Intraventricular ependymoma
filling the lateral and third ventricle, the lesion shows extensive
perivascular calcification. The tumor is a huge one, involving both
lateral ventricles and causing extensivehydrocephalus.
Figure 2. Postcontrast CT scan: Intraventricular ependymoma filling the lateral and third ventricle, the lesion
shows extensive perivascular calcification (Actually perivenous) and is drained by the deep venous system
through the vein of galen. Notice the dense homogeneous enhancement. Hydrocephalic changes are seen with
possible transependymal edema (A). (C is a bone window of B)
3. Figure 3. Angiography shows the extensive tumour hypervascularity that is mainly drained by the deep
venous system through the vein of galen.
Figure 4. The tumor has extended to the third ventricle, ? the interhemispheric fissure, and Probably the
suprasellar and the quadrigeminal cistern. CSF seedling is probably the cause of dissemination through the basal
cisterns and the bihemispheric fissures.
4. Figure 5. Histopathological picture of ependymomas with the
characteristic rosettes (The patient's histopathology)
The patient's tumor was debulked surgically and histopathological examination revealed an ependymoma of the
cellular type with Perivascular pseudorosettes. The patient was given a course of postoperative radiotherapy (Fig.
5). The patient died 7 month following the operation.
References
1. Metwally, MYM: Textbook of neurimaging, A CD-ROM publication, (Metwally, MYM editor) WEB-CD agency for
electronic publishing, version 11.2a April 2010
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