Glioblastoma IDH wild type

Case contributed by Heather Pascoe


Episodes of expressive dysphasia.

Patient Data

Age: 70 years
Gender: Male

Small rounded hypodensities in the left parietal lobe. Elsewhere grey white matter differentiation is preserved. No intracranial hemorrhage.


Two closely adjacent rim enhancing cystic masses in the left temporoparietal region with surrounding vasogenic edema and internal free diffusion most likely to represent metastases.

Case Discussion

Differentiating metastases and primary brain tumors on imaging is never straightforward. One diagnosis can be favored over the other based on certain features, however, a definitive diagnosis is not possible. In this case metastases were favored, however, the final diagnosis was glioblastoma IDH wild type (WHO Grade IV).

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