Demographics:
50 years old, Male
Indication:
Headache
Findings
- T2 hyperintense mass involving both lateral ventricles and bridging the septum pellucidum measuring 6.5 x 5.6 x 4 cm
- Avid corresponding restricted diffusion
- Areas of wispy enhancement along the margins may relate to the mass or adjacent vascular structures without convincing internal enhancement
- Mild corresponding mass effect on adjacent structures with scalloped appearance of the medial thalamic margins but no adjacent parenchymal edema
- No hydrocephalus
Diagnosis
Intraventricular epidermoid cyst
Differential Diagnosis
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Pearls
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