Cerebral toxoplasmosis

Case contributed by Dr Luu Hanh

Presentation

Headaches, HIV test positive

Patient Data

Age: 30 years
Gender: Male
MRI

MRI scan reveals nodular, and ring-enhancing lesions with prominent perilesional edema
involving the right frontal lobe and cerebellar. 

The lesion in the corticomedullary junction of the right frontal reveals a ring-enhancing with  eccentric target sign on postcontrast T1-weighted.

Annotated image

The lesion in the corticomedullary junction of the right frontal reveals a ring-enhancing with  eccentric target sign on T1C+ (yellow arrow).

Case Discussion

The multiple lesions demonstrate nodular and ring-enhancing at the right frontal lobe and cerebellar. The lesion in the corticomedullary junction of the right frontal reveals an eccentric target sign. These imaging features in HIV patients consistent with cerebral toxoplasmosis. 

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Case information

rID: 85779
Published: 11th Jan 2021
Last edited: 14th Mar 2021
Inclusion in quiz mode: Included
Institution: Ninh Binh general hospital