Article Figures & Data
Figures
- Fig 1
Case 1, a 2-month-old girl with atypical teratoid/rhabdoid tumor in left cerebellum.
A, Axial CT scan, showing an ill-defined slightly hyperattenuating mass occupying left cerebellar hemisphere and cerebellopontine cistern area (arrows).
B, Axial postcontrast scan, the same level as in A, showing strong contrast enhancement of the peripheral portion of the tumor.
C, Axial T2-weighted image, showing a large mass of isointense signal with significant mass effect to the fourth ventricle (arrowhead) and adjacent brain stem (arrow)
D, The tumor is composed of diffusely arranged epithelioid cells showing a few glandular components. Hematoxylin and eosin staining, ×100.
E, Rhabdoid cells with eccentric nuclei and abundant eosinophilic cytoplasm (arrow). Necrosis is also noted (arrowhead). Hematoxylin and eosin staining, ×200
- Fig 2
Case 2, a 2-month-old boy with atypical teratoid/rhabdoid tumor in right cerebellar hemispere.
A, Axial CT scan, showing an ill-defined mildly hyperattenuating mass (arrows) occupying right cerebellar hemisphere with multiple cystic components (arrowheads) especially along the peripheral portion of the tumor.
B, Axial T2-weighted image, showing a large mass of isointense signal with significant mass effect to the fourth ventricle and adjacent brain stem (arrows)
C, Contrast-enhanced sagittal T1-weighted image shows mild heterogeneous enhancement within the tumor and abnormal pial enhancement along the ventral surface of the brain stem, suggesting CSF seeding of the tumor (arrows).
