File:Cavernoma with bleed - midbrain (Radiopaedia 54546-60773 Sagittal T1 13).png

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Cavernoma_with_bleed_-_midbrain_(Radiopaedia_54546-60773_Sagittal_T1_13).png ‎(512 × 512 pixels, file size: 101 KB, MIME type: image/png)

Summary:

Description
  • Radiopaedia case ID: 54546
  • Image ID: 31453689
  • Image stack position: 13/43
  • Plane projection: Sagittal
  • Aux modality: T1
  • Study description: Followup MRI 6 months later
  • Study findings: Repeat MRI 6 months later demonstrates resolution of edema and intraventricular hemorrhage. A small hemosiderin lined lesion remains in the midbrain suggestive of a small cavernoma.
  • Modality: MRI
  • System: Central Nervous System
  • Findings: Hemorrhagic quadrigeminal plate lesion with associated intraventricular hemorrhage. The lesion most likely represents a cavernous venous malformation (cavernoma), although the low T2 rim typically seen is not as conspicuous as is often the case. In the setting of connective tissue disease (SLE) the possibility of this representing a hemorrhage related to cerebral vasculitis should be entertained, although in the absence of other lesions and a normal MRA, this is less likely. Another occult underlying hemorrhagic lesion (e.g. small AVM, hemorrhagic metastasis or primary tumor) are also considerations, although less likely. Careful follow-up, including eventually a contrast enhanced study are required. CT / CTA / angiography are unlikely to significantly contribute in this setting.
Date Published: 23rd Jun 2018
Source https://radiopaedia.org/cases/cavernoma-with-bleed-midbrain
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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