File:Chondrosarcoma (clivus) (Radiopaedia 46895-51424 E 30).png

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Chondrosarcoma_(clivus)_(Radiopaedia_46895-51424_E_30).png ‎(512 × 512 pixels, file size: 121 KB, MIME type: image/png)

Summary:

Description
  • Radiopaedia case ID: 46895
  • Image ID: 24180303
  • Image stack position: 30/52
  • Plane projection: Axial
  • Aux modality: T2
  • Modality: MRI
  • System: Central Nervous System
  • Findings: A markedly T2 hyperintense lobulated mass arising from the right aspect of the clivus corresponding to a relatively homogeneous T1 iso/ hypointensity with heterogeneous enhancement post contrast is noted. No associated diffusion restriction. The mass exerts mass effect on the right side of the pons, however the 4th ventricle and cerebral aqueduct remain capacious and there is no hydrocephalus. Adjacent flow void within the right petrous/cavernous ICA is preserved. No other intracranial or skull base lesion seen. Conclusion: Marked T2 hyperintensity can be seen with either chondroid lesions or chordoma. Less likely differentials include an ecchordosis physaliphora, cavernous sinus hemangioma and least likely (given morphology) a schwannoma. Overall features favor a chondroid series tumor (including chondrosarcoma), although chordoma can occur off midline and evoke bony erosion/sequestration which can mimic a similar pattern of bony change. Further assessment with CT to evaluate matrix calcification/ossification and bony margins is recommended.
Date Published: 24th Jul 2016
Source https://radiopaedia.org/cases/chondrosarcoma-clivus
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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