File:Base of skull chondrosarcoma (Radiopaedia 30410-31070 Axial SWI Phase 44).jpg

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Base_of_skull_chondrosarcoma_(Radiopaedia_30410-31070_Axial_SWI_Phase_44).jpg ‎(192 × 256 pixels, file size: 14 KB, MIME type: image/jpeg)

Summary:

Description
  • Radiopaedia case ID: 30410
  • Image ID: 7958683
  • Image stack position: 44/52
  • Plane projection: Axial
  • Aux modality: SWI Phase
  • Modality: MRI
  • System: Central Nervous System
  • Findings: At the right petrous apex a soft tissue mass with intermediate T1 signal, very high T2 signal and prominent contrast enhancement, is noted. It extends to the anterior margin of the internal acoustic meatus posteriorly and to the carotid canal anteriorly. Normal flow void in the artery is preserved. No internal calcification. Conclusion: In this location, a lesion with very high T2 signal most likely represents a chondrosarcoma. Chordomas are usually more medial (midline). Other lesions would not be expected to be this enhancing and high T2 in signal (with the exception of a hemangioma, which would not be expected to have so much bony destruction).
Date Published: 11th Jul 2016
Source https://radiopaedia.org/cases/base-of-skull-chondrosarcoma-1
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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