Cerebral toxoplasmosis

Case contributed by Dr Juan José Gómez Muga



Patient Data

Age: 38-year-old
Gender: Male

Incomplete ring enhancing lesion with vasogenic edema and mild mass effect in the left parietal lobe.

Hypodense lesions in the right basal ganglia and right cerebellar hemisphere.

Cortical calcification in the right poscentral gyrus.


Multiple enhancing lesions in supra and infrantentorial location at the corticomedullary junction and right caudate head.

No restriction on DWI/ADC. Low rCBV values. High lipid peak on MRS. Findings are suggestive of non-pyogenic brain abscesses or metastatic disease.

Eccentric target sign is suggestive of toxoplasmosis.

Case Discussion


  • HIV + 
  • Toxoplasma IgG +

CD4 < 100.

Anti-toxoplasma therapy was initiated with the resolution of the findings.​

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Case information

rID: 43956
Published: 13th Apr 2016
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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