File:Arachnoid cyst - cerebellopontine angle (Radiopaedia 59689-67082 Axial non-contrast 12).png

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Arachnoid_cyst_-_cerebellopontine_angle_(Radiopaedia_59689-67082_Axial_non-contrast_12).png ‎(512 × 512 pixels, file size: 52 KB, MIME type: image/png)

Summary:

Description
  • Radiopaedia case ID: 59689
  • Image ID: 37858575
  • Image stack position: 12/30
  • Plane projection: Axial
  • Aux modality: non-contrast
  • Modality: CT
  • System: Central Nervous System
  • Findings: A CSF density lesion in the right cerebellopontine angle, with moderate local mass effect with mild displacement of the brainstem but no effacement of the fourth ventricle. No widening of the adjacent porus acousticus. Remodeling of the adjacent bone is, however, present. Conclusion: Right cerebellopontine angle cystic lesion most likely represents an incidental arachnoid cyst with a differential diagnosis that includes epidermoid cyst or cystic acoustic neuroma (the latter two are thought less likely).
Date Published: 25th Apr 2018
Source https://radiopaedia.org/cases/arachnoid-cyst-cerebellopontine-angle-3
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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current07:40, 23 May 2021Thumbnail for version as of 07:40, 23 May 2021512 × 512 (52 KB)Fæ (talk | contribs)Radiopaedia project rID:59689 (batch #2815-12 A12)

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