Oligodendroglioma CT: Difference between revisions

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Revision as of 18:41, 8 October 2015

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

Brain MRI may be helpful in the diagnosis of oligodendroglioma.

Findings on MRI suggestive of oligodendroglioma are listed below:

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

Heterogeneous region of contrast enhancement, edema and mass effect is present in the left frontal lobe.^[1]
Right temporal hypodense space occupying lesion which contains internal central calcifications.^[2]
Oligodendroglioma that is highly calcified.^[3]

↑ 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 5: / Line 5: @@
 ==CT==
-*Brain MRI may be helpful in the diagnosis of oligodendroglioma.
+Brain MRI may be helpful in the diagnosis of oligodendroglioma.
-*Findings on MRI suggestive of oligodendroglioma are listed below:
-**Round or oval sharply marginated mass involving the cortex or subcortical white matter
+Findings on MRI suggestive of oligodendroglioma are listed below:
-**Hypodense to isodense
+*Round or oval sharply marginated mass involving the cortex or subcortical white matter
-**[[Hemorrhage]]
+*Hypodense to isodense
-**Overlying [[skull]] may show pressure erosion
+*[[Hemorrhage]]
-**[[Calcification]] (70-90%)
+*Overlying [[skull]] may show pressure erosion
-***Located centrally or peripherally
+*[[Calcification]] (70-90%)
-***May be ribbon-like
+**Located centrally or peripherally
-**Ill-defined enhancement (50%) following intravenous contrast material administration
+**May be ribbon-like
+*Ill-defined enhancement (50%) following intravenous contrast material administration
 ===Gallery===