Dati demografici:
3 anni, Femmina
Indicazione:
Gait instability, confusion
Reperti
CT
- Mildly hyperattenuating mass in the left cerebellar hemisphere with mass effect on the fourth ventricle and resultant obstructive hydrocephalus
- No corresponding calcification
MRI
- T1 hypointense, slightly T2 hyperintense mass centered in the inferior aspect of the left cerebellar hemisphere with diffuse enhancement and mild diffuse restricted diffusion
- Crescentic cystic components along the periphery of the mass
- Mild adjacent parenchymal edema
- Corresponding mass effect with obstructive hydrocephalus at the level of the fourth ventricle and mild upward transtentorial herniation
Diagnosi
Medulloblastoma (SHH-activated, TP53 wild-type, nodular desmoplastic histology)
Diagnosi differenziale
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Perle cliniche
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