File:Cerebral metastasis to basal ganglia (Radiopaedia 81568-95413 Axial SWI 38).png

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Cerebral_metastasis_to_basal_ganglia_(Radiopaedia_81568-95413_Axial_SWI_38).png ‎(336 × 384 pixels, file size: 108 KB, MIME type: image/png)

Summary:

Description
  • Radiopaedia case ID: 81568
  • Image ID: 53398440
  • Image stack position: 38/88
  • Plane projection: Axial
  • Aux modality: SWI
  • Study findings: Within the right basal ganglia, there is a mass which demonstrates predominantly peripheral nodular contrast enhancement. This is embedded within a region of expansile FLAIR/T2 hyperintensity involving the right basal ganglia and thalamus extending into the right cerebral peduncle and right side of the midbrain. There is further extensive surrounding high T2/FLAIR signal within the white matter of the right frontoparietal region and right temporal lobe, in keeping with vasogenic edema with mass effect. The enhancing wall of the mass demonstrates low ADC and markedly elevated CBV. No central restricted diffusion. Small foci of susceptibility associated with lesion may represent blood products. MR spectroscopy demonstrates reversal of the choline/creatine ratio, depressed NAA and elevated lactate. There is dilation of the left temporal horn associated with periventricular FLAIR hyperintensity suggestive of hydrocephalus with transependymal flow of CSF. Small region of encephalomalacia and gliosis in the left superior frontal gyrus. No other lesions demonstrated. Partial empty sella noted. Incidental developmental venous anomaly in the right hemipons.
  • Modality: MRI
  • System: Central Nervous System
  • Findings: A vividly enhancing right basal ganglia mass is present, surrounded by abundant vasogenic edema with resultant positive mass effect.
Date Published: 28th Aug 2020
Source https://radiopaedia.org/cases/cerebral-metastasis-to-basal-ganglia
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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current22:55, 28 July 2021Thumbnail for version as of 22:55, 28 July 2021336 × 384 (108 KB)Fæ (talk | contribs)Radiopaedia project rID:81568 (batch #7042-327 G38)

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