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Cerebral miliary tuberculosis

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Patient under treatment for chest infection for two months developed seizures with progressive deterioration of the level of consciousness.

Patient Data

Age: 55 years
Gender: Female
mri
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Coronal
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Sagittal
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Info

The MRI sequences demonstrate innumerable small intra-axial nodules at both infra- and supratentorial levels as well as brainstem and basal ganglia, ranging from 3 to 7 mm in diameter. They appear of intermediate to low signal on T1WI, high signal on T2WI, and FLAIR with low signal centrally, and surrounding edema. The postcontrast sequences show ring-like and nodular enhancement. Moderate dilatation of the ventricular system (3rd and lateral ventricles) with mild enlargement of the cerebral sulci.

Note a low position of the cerebellar tonsils indicating a Chiari I malformation (incidental finding).

Right otomastoiditis is also noted.

6 mth after antituberculous Rx

mri
This study is a stack
Sagittal
T1
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Axial
FLAIR
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Axial
T2
This study is a stack
Axial
DWI
This study is a stack
Axial
ADC
This study is a stack
Axial
T1 C+
This study is a stack
Coronal
T1 C+
This study is a stack
Coronal
T2
Download
Info

Significant improvement with decreased in size and number of the infra- and supratentorial lesions.

Case Discussion

Case of miliary cerebral tuberculosis most likely the result of the spread of primary pulmonary tuberculosis (miliary pulmonary tuberculosis proven in this case).

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