Demographics:
6 years old, Female
Indication:
Headache
Findings
- Heterogeneously enhancing mass centered in the fourth ventricle measuring 5 x 4 x 3 cm with associated diffuse restricted diffusion
- Multiple internal vessels are noted on SWI and postcontrast sequences
- Resultant effacement of the fourth ventricle and obstructive hydrocephalus with subependymal edema involving the lateral and third ventricles
- Inferior displacement of the cerebellar tonsils into the foramen magnum with crowding of the upper cervical spinal cord
Diagnosis
Medulloblastoma
Key Imaging Features
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Differential Diagnosis
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Discussion
Pearls
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