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The tumor is exceptional on T1- and T2-weighted MRI with heterogeneous enhancement and a regular area adjoining to and extension into the fourth ventricle. Histologically, the tumor is strong, purple-gray in color, and is nicely circumscribed. The tumor is very cell, with high mitotic hobby, little cytoplasm, and an inclination to form clusters and rosettes.
The Chang staging device can be used in making the analysis.
Correct prognosis of medulloblastoma may additionally require ruling out unusual teratoid rhabdoid tumor.
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