Oligodendroglioma CT: Difference between revisions

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Revision as of 14:06, 13 October 2015

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]

Head CT scan may be helpful in the diagnosis of oligodendroglioma.

Findings on CT scan suggestive of oligodendroglioma are listed below:^[1]^[2]

Round or oval sharply marginated mass involving the cortex or subcortical white matter
Hypodense to isodense
Hemorrhage
Overlying skull may show pressure erosion
Calcification (70-90%)
- Located centrally or peripherally
- May be ribbon-like
Ill-defined enhancement (50%) following intravenous contrast material administration
Marked ventricular enlargement suggestive of hydrocephalus

Heterogeneous region of contrast enhancement, edema and mass effect is present in the left frontal lobe.^[3]
Right temporal hypodense space occupying lesion which contains internal central calcifications.^[4]
Oligodendroglioma that is highly calcified.^[5]

↑ Radiographic features of oligodendroglioma. Dr Henry Knipe and Dr Frank Gaillard et al. http://radiopaedia.org/articles/oligodendroglioma
↑ Stark AM, Hugo HH, Mehdorn HM, Knerlich-Lukoschus F (2009). "Acute Hydrocephalus due to Secondary Leptomeningeal Dissemination of an Anaplastic Oligodendroglioma". Case Rep Med. 2009: 370901. doi:10.1155/2009/370901. PMC 2797365. PMID 20052406.
↑ Image courtesy of Dr. Frank Gaillard. Radiopaedia (original file here). Creative Commons BY-SA-NC
↑ Image courtesy of Dr. Henry Knipe and Dr Frank Gaillard et al.. Radiopaedia (original file here). Creative Commons BY-SA-NC
↑ Oligodendrogliomas. SurgWiki 2015. http://www.surgwiki.com/wiki/Intracranial_tumours,_infection_and_aneurysms#Oligodendroglioma

@@ Line 7: / Line 7: @@
 Head CT scan may be helpful in the diagnosis of oligodendroglioma.
-Findings on CT scan suggestive of oligodendroglioma are listed below:<ref name=CTradiopaedia>Radiographic features of oligodendroglioma. Dr Henry Knipe and Dr Frank Gaillard et al. http://radiopaedia.org/articles/oligodendroglioma</ref>
+Findings on CT scan suggestive of oligodendroglioma are listed below:<ref name=CTradiopaedia>Radiographic features of oligodendroglioma. Dr Henry Knipe and Dr Frank Gaillard et al. http://radiopaedia.org/articles/oligodendroglioma</ref><ref name="pmid20052406">{{cite journal| author=Stark AM, Hugo HH, Mehdorn HM, Knerlich-Lukoschus F| title=Acute Hydrocephalus due to Secondary Leptomeningeal Dissemination of an Anaplastic Oligodendroglioma. | journal=Case Rep Med | year= 2009 | volume= 2009 | issue=  | pages= 370901 | pmid=20052406 | doi=10.1155/2009/370901 | pmc=PMC2797365 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20052406  }} </ref>
 *Round or oval sharply marginated mass involving the cortex or subcortical white matter
 *Hypodense to isodense