File:Neurotoxoplasmosis - concentric target sign (Radiopaedia 70644-80784 Coronal T2 43).jpg

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Neurotoxoplasmosis_-_concentric_target_sign_(Radiopaedia_70644-80784_Coronal_T2_43).jpg ‎(448 × 448 pixels, file size: 93 KB, MIME type: image/jpeg)

Summary:

Description
  • Radiopaedia case ID: 70644
  • Image ID: 51468126
  • Image stack position: 43/43
  • Plane projection: Coronal
  • Aux modality: T2
  • Study findings: Left frontal lobe spherical mass (3 cm) with massive perifocal edema, moderate regional mass effect with effacement of the frontal sulci and left lateral ventricle. The mass shows a concentric target sign in several measurements, best seen in the T2w TSE.Peripheral closed ring enhancement.SWI shows concentric susceptibility (microhemorrhages or calcifications). Separate Focal T2-hyperintensity in the right lentiform nucleus might be a small separate lesion.
  • Modality: MRI
  • System: Haematology
  • Findings: Left frontal lobe spherical mass with ring iso/hyperdensity and central hypodensity, surrounded by severe perifocal edema. Midline shift, no herniation, no signs of hydrocephalus.
Date Published: 30th Aug 2019
Source https://radiopaedia.org/cases/neurotoxoplasmosis-concentric-target-sign
Author Yves Leonard Voss
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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current01:22, 10 August 2021Thumbnail for version as of 01:22, 10 August 2021448 × 448 (93 KB)Fæ (talk | contribs)Radiopaedia project rID:70644 (thread B) (batch #25521-91 C43)

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