Archives of the AFIP -- RadioGraphics

Figure Legend | Panel A | Panel B

Figure 21: GBM arising from the splenium of the corpus callosum mimicking the appearance of an intraventricular tumor. Panel A On the axial T2-weighted MR image, the tumor is seen in the atrium of the right lateral ventricle and seems primarily intraventricular. Panel B On the coronal T2-weighted view, however, one sees more clearly the broad base of attachment and the abnormal signal intensity in the splenium, which is where the tumor originated before growing exophytically into the ventricle.

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