Imaging of central neurocytoma is usually characteristic. Most of them occur as an exophytic, well circumscribed, globular mass that protrudes into the ventricles. Calcifications are common. This is a postoperative post shunting case of neurocytomas, note the intraventricular nature of tumour, calcification and operative pneumocephalus. Tumour showed immunoactivity for synaptophysin. Radiological differential diagnoses include oligodendroglioma, ependymoma, subependymal giant cell astrocytoma, and intraventricular meningioma.
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