Demographics:
3 years old, Male
Indication:
Speaking difficulty, imbalance
Findings
- Heterogeneous mass in the left cerebral hemisphere measuring 5.3 x 5 x 6 cm
- Corresponding heterogeneous enhancement with matching areas of restricted diffusion
- Areas of intrinsic T1 signal hyperintensity, particularly along the deep margin of the mass
- Surrounding vasogenic edema and associated mass effect resulting in local sulcal effacement, crowding of the left lateral ventricle, and 10 mm left-to-right midline shift
- Entrapment of the temporal horn of the left lateral ventricle
Diagnosis
Atypical teratoid/rhabdoid tumor (AT/RT)
Key Imaging Features
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Differential Diagnosis
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Discussion
Pearls
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