File:Arteriovenous malformation (cerebral) (Radiopaedia 40070-42580 Coronal T1 35).png

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Arteriovenous_malformation_(cerebral)_(Radiopaedia_40070-42580_Coronal_T1_35).png ‎(512 × 512 pixels, file size: 245 KB, MIME type: image/png)

Summary:

Description
  • Radiopaedia case ID: 40070
  • Image ID: 16406262
  • Image stack position: 35/61
  • Plane projection: Coronal
  • Aux modality: T1
  • Study findings: Acute intracranial hemorrhage straddling the genu of the corpus callosum and extending into the ventricles is again demonstrated. Anterior interhemispheric arteriovenous malformation is again demonstrated, nidus approximately 2.5 x 2.2 x 2.5 cm in size, with supply predominantly from the left anterior cerebral artery and draining to the superior sagittal sinus. The draining veins have not been completely imaged on MRA (not shown). T2/FLAIR hyperintensity surround the hematoma, compatible with reactive edema. Sulcal T2 FLAIR high signal in both cerebral hemispheres may reflect subarachnoid hemorrhage or hyper-oxygenation. No hydrocephalus. No restricted diffusion. Conclusion: Arteriovenous malformation measuring ~2.5 cm in greatest diameter with supply predominantly from the left ACA and draining to the super sagittal sinus.
  • Modality: MRI
  • System: Central Nervous System
  • Findings: An acute intracranial hemorrhage straddling the genu of the corpus callosum extends into the ventricles, with blood filling the lateral, third and fourth ventricles. There is mild ventricular dilatation. There is a nest of abnormal heterogeneous density possibly representing vessels centered in the anterior interhemispheric fissure suggesting an AVM.
Date Published: 6th Feb 2016
Source https://radiopaedia.org/cases/arteriovenous-malformation-cerebral
Author Frank Gaillard
Permission
(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

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