====== Intraventricular metastases ======

Intraventricular [[metastases]] is a very rare finding. 

Few [[intracranial tumor]]s metastasese to ventricles . Some extra cranial tumors also metastasize to ventricles . Most common site of intraventricular metastases is trigone of lateral ventricles due to high vascular supply of choroid plexus. Next common sites are 4th and 3rd ventricles.

renal cell carcinoma - most common primary

melanoma

breast carcinoma

lung carcinoma- overall most common metastases in the choroid plexus (as it is the most common tumour)

====Differential diagnosis====

[[Leptomeningeal carcinomatosis]]

[[Intraventricular meningioma]]