PMC3863832_01
Figure 1:(a) Post-contrast T1-weighted image demonstrating heterogeneous enhancement of the lesion. (b) T2-weighted image demonstrating hypointense lesion in the right insular lobe with surrounding edema and hematoma.
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F1
T2-weighted imaging and hyperintense on T1-weighted imaging in the right insular lobe. The MRI imaging showed obviously inhomogeneous enhancement and edema after gadolinium contrast (Fig. 1a, 1b).
Figure 2:Photomicrographs of the tumor showing polygon, round type, spindle, singular cells. Tumor cells have large nuclei with inconstant big nucleoli. Mitotic figures are visible (x400).
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F2
Post-surgically pathological diagnosis of melanoma was made (Fig. 2).