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Transependymal edema

Case contributed by Frank Gaillard
Diagnosis almost certain

Presentation

Increasing headaches.

Patient Data

Age: Adult

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

mri

Single FLAIR image at the level of the lateral and third ventricle demonstrates prominent increased T2 signal, which in the setting of hydrocephalus is consistent with transependymal edema. 

Case Discussion

It should not be confused with ependymitis granularis which is a normal finding. 

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