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Figure 1: (a) Axial and coronal contrast-enhanced magnetic resonance (MR) images performed 1 year before admission. (b) Axial nonenhanced contrast enhanced scan at the level of the frontal horns of the lateral ventricles, (c) FLAIR axial MR images, (d) nonenhanced T1 MR images, and (e) enhanced T1 MR images showing an enlarged cavum septi pellucidi and a left hemorrhagic partially intraventricular lesion with a blood level in the ipsilateral occipital horn. (f) Hemorrhagic area with sheets of neoplastic cells (E and E, ×100 magnification). (g) HMB45-immunoreactive neoplastic cells (×50 magnification)

Figure 1: (a) Axial and coronal contrast-enhanced magnetic resonance (MR) images performed 1 year before admission. (b) Axial nonenhanced contrast enhanced scan at the level of the frontal horns of the lateral ventricles, (c) FLAIR axial MR images, (d) nonenhanced T1 MR images, and (e) enhanced T1 MR images showing an enlarged cavum septi pellucidi and a left hemorrhagic partially intraventricular lesion with a blood level in the ipsilateral occipital horn. (f) Hemorrhagic area with sheets of neoplastic cells (E and E, ×100 magnification). (g) HMB45-immunoreactive neoplastic cells (×50 magnification)