File:Clival chordoma invading the hypoglossal canal (Radiopaedia 48850-53887 Coronal T1 84).png

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Clival_chordoma_invading_the_hypoglossal_canal_(Radiopaedia_48850-53887_Coronal_T1_84).png ‎(512 × 512 pixels, file size: 49 KB, MIME type: image/png)

Summary:

Description
  • Radiopaedia case ID: 48850
  • Image ID: 25839707
  • Image stack position: 84/90
  • Plane projection: Coronal
  • Aux modality: T1
  • Study description: MRI Brain (current)
  • Study findings: Midline inferior clival lesion extends inferiorly to the level of the foramen magnum, with right sided extension into expanded right hypoglossal canal. The increased size this mostly of the component bulging into the anterolateral aspect of the foramen magnum. This now displaces and distorts the medulla and vertebral artery. The mass is T2 hyperintense, T1 hypointense, with vivid enhancement. It contains stippled susceptibility artefact which may be due to calcification or blood product. Incidental note is made of two small developmental venous anomalies (DVA) in the left temporal lobe and left posterior frontal lobe. Fatty atrophy of the right hemi tongue compatible with hypoglossal nerve palsy. Mucosal thickening of paranasal sinuses with complete opacification of the left maxillary sinus which is small in volume.
  • Modality: MRI
  • System: Central Nervous System
  • Findings: Erosive bone lesion involving the inferior most aspect of the clivus, at the region of the Basion/foramen magnum, with sclerotic and regular margins. Its soft tissue component that does not cause mass effect over the medulla oblongata. The remainder of the brain is unremarkable. Further evaluation with an MRI study is recommended.
Date Published: 1st Nov 2016
Source https://radiopaedia.org/cases/clival-chordoma-invading-the-hypoglossal-canal
Author Bruno Di Muzio
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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