Thalamic astrocytoma

Case contributed by Jack Ren

Presentation

Headaches.

Patient Data

Age: Young adult.
Modality: MRI

There is a large lesion arise from both left & right side of thalamus (bigger on left side) protruding up & compressing the lateral ventricles with a degree of hydrocephalus.  The lesion shows heterogeneous signals best seen on T2 image. The lesion shows no enhancement after admission of contrast, but does restrict on DWI. 

MRS demonstrates a perfect tumour trace, with elevation of choline and reduction of NAA. 

Case Discussion

This patient went on to have a stereotactic biopsy which confirmed the diagnosis of a thalamic diffuse astrocytoma, of which low grade has a much poorer prognosis than similar tumours in other locations. 

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Case Information

rID: 24137
Case created: 29th Jul 2013
Last edited: 25th Nov 2015
Inclusion in quiz mode: Included

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