EURORAD ESR

Case 2516

Cerebral toxoplamosis

Author(s)
Batra A, Tripathi RP, Gorthi SP, Shankar S
 
Patient
male, 25 year(s)
 
 
  • Published 06.09.2005
  • DOI 10.1594/EURORAD/CASE.2516
  • Section Neuroradiology
  • Case Type Clinical Cases
  • Difficulty Resident
  • Views 1544
  • Language(s)
  • Figure 1
    An MR imaging at presentation.
     

    A T2-weighted axial image showing a right frontal lesion (indicated by arrows) with a hyperintense center and surrounded by white mater edema. A smaller lesion is also seen in the left parasagittal frontal lobe...

     
    Area of Interest: unknown; Imaging Technique: MR imaging at presentation.;

    A T1-weighted axial image showing the lesions to be mildly hypointense with focal peripheral areas of hyperintensity, suggestive of petechial hemorrhage.

     
    Area of Interest: unknown; Imaging Technique: MR imaging at presentation.;

    A post-contrast T1-weighted image showing a peripheral, thin, rim enhancement of the lesions.

     
    Area of Interest: unknown; Imaging Technique: MR imaging at presentation.;

    An image obtained with single voxel MR spectroscopy of the right frontal lesion with echo time (TE) of 135 ms showing a large lipid peak with the absence of the n-acetyl-l-aspartate peak and the marked suppression of...

     
    Area of Interest: unknown; Imaging Technique: MR imaging at presentation.;

    A diffusion-weighted image (b value = 1000 mm2/s) showing a hypointense center (indicated by arrows) suggestive of increased diffusion.

     
    Area of Interest: unknown; Imaging Technique: MR imaging at presentation.;

    A relative cerebral blood volume map revealing the low vascularity of the right frontal lesion (indicated by arrows).

     
    Area of Interest: unknown; Imaging Technique: MR imaging at presentation.;
     
     
  • Figure 2
    A follow-up MR imaging after 4 weeks of specific therapy

    A T2-weighted MR image revealing a significant reduction in size of the right frontal lesion and the right frontal white mater edema (indicated by arrows).

     
    Area of Interest: unknown; Imaging Technique: Follow-up MR imaging after four weeks of specific therapy.;
     
     
A T2-weighted axial image showing a right frontal lesion (indicated by arrows) with a hyperintense center and surrounded by white mater edema. A smaller lesion is also seen in the left parasagittal frontal lobe (indicated by arrowheads).
 
A T1-weighted axial image showing the lesions to be mildly hypointense with focal peripheral areas of hyperintensity, suggestive of petechial hemorrhage.
 
A post-contrast T1-weighted image showing a peripheral, thin, rim enhancement of the lesions.
 
An image obtained with single voxel MR spectroscopy of the right frontal lesion with echo time (TE) of 135 ms showing a large lipid peak with the absence of the n-acetyl-l-aspartate peak and the marked suppression of the choline (CHO) and creatine (CR) peaks.
 
A diffusion-weighted image (b value = 1000 mm2/s) showing a hypointense center (indicated by arrows) suggestive of increased diffusion.
 
A relative cerebral blood volume map revealing the low vascularity of the right frontal lesion (indicated by arrows).
 
A T2-weighted MR image revealing a significant reduction in size of the right frontal lesion and the right frontal white mater edema (indicated by arrows).
 
 
 
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