PMC7749951_01
(a) Axial T1-weighted contrast-enhanced magnetic resonance imaging (MRI) revealing a 4 cm homogeneously enhancing mass in the atrium of the left lateral ventricle. (b and c) Coronal and sagittal T1-weighted contrast-enhanced MRI showing the tumor. (d) Diffusion tensor imaging superimposed on an axial T1-weighted contrast-enhanced MRI, depicting the tumor surrounded laterally by the sagittal stratum, anterolaterally by the internal capsule, and posteromedially by the splenium of the corpus callosum and forceps major.
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F1
Further studies showed a lesion in her left atrium, which was homogeneously enhanced after gadolinium administration [Figure 1].