Demographics:
46 years old, Male
Indication:
Migraines, vision changes
Findings
- Homogeneously enhancing mass with lobulated contours centered in the atrium of the right lateral ventricle measuring 5.5 x 4.8 x 3.7 cm
- Mild corresponding restricted diffusion
- Surrounding vasogenic edema in the posterior right cerebral hemisphere
- Associated downward mass effect on the midbrain tectum with narrowing of the cerebral aqueduct and posterior aspect of the third ventricle and resultant obstructive hydrocephalus
Annotated Images & Illustrations
Homogeneously enhancing mass centered in the atrium of the right lateral ventricle (red arrow).
Mild corresponding restricted diffusion (red arrows).
Diagnosis
Intraventricular meningioma
Differential Diagnosis
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