Oligodendroglioma

Case contributed by Jack Ren

Presentation

Seizure

Patient Data

Age: Adult
Modality: MRI

There is a irregular intra-axial lesion with ill defined border locate on right parietal lobe. The lesion is heterogeneous in nature & showing low T1 signal with high T2 signal.  The lesion is not enhanced by the contrast.

The is no diffuse restriction on DWI signal. There is a increase signal on ADC suggestive of previous infarction.

There is no evidence of oedema nor mass effect.

The patient went on to have biopsy of the tumour

Histology

Microscopic Description:  Sections show small pieces of brain tissue infiltrated by a moderately cellular glial tumour displaying oligodendroglial characteristics. Histologic features associated with high-grade, such as tumour necrosis, vascular neogenesis, or elevated mitotic activity, are not seen, although these fragments are very small.

Final Diagnosis: Oligodendroglioma.

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Case Information

rID: 24891
Case created: 18th Sep 2013
Last edited: 25th Nov 2015
Inclusion in quiz mode: Included

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