File:Chiari 1 - pre and post decompression surgery (Radiopaedia 42945-46187 Coronal non-contrast 25).png

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Summary:

Description
  • Radiopaedia case ID: 42945
  • Image ID: 19566892
  • Image stack position: 25/38
  • Plane projection: Coronal
  • Aux modality: non-contrast
  • Study description: CT Brain and upper cervical Spine
  • Study findings: Cerebellar tonsillar ectopia with crowding at the foramen Magnum and effacement of CSF at the level of C1 again demonstrated. No acute hemorrhage or infarct. No hydrocephalus. The sulci appear slightly effaced, however the basal cisterns are patent and appearance is similar to the previous CT.​
  • Modality: CT
  • System: Spine
  • Findings: Technique: Multiplanar, multisequence imaging has been obtained through the cervical and thoracic spine. Findings: Cerebellar tonsillar ectopia of 20 mm with marked crowding of structures at the foramen Magnum. There is also ligamentous hypertrophy around the dens. Small disc bulges are seen at C4/5 and C6/7 indenting the ventral CSF space. There is a localized syrinx at the C7 level, measuring 8 mm in length and 2 mm in AP dimension. There is a mild prominence of the central canal above this. Left paracentral disc protrusion at T11/12 which mildly displaces the cord, without cord abnormality. There is also mild left foraminal stenosis at this level. Conclusion: Chiari malformation with localized syrinx at C7.​
Date Published: 27th Feb 2016
Source https://radiopaedia.org/cases/chiari-1-pre-and-post-decompression-surgery
Author Bruno Di Muzio
Permission
(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

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

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current11:00, 8 August 2021Thumbnail for version as of 11:00, 8 August 2021512 × 698 (176 KB)Fæ (talk | contribs)Radiopaedia project rID:42945 (batch #7429-72 B25)

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