Upstream and downstream hydrocephalus is seen in
Most Brain tumors usually produce only upstream hydrocephalus. Choroid plexus papilloma is a CSF producing tumor located in occipital horns of lateral ventricle and produces both upstream and downstream hydrocephalus. CECT axial image showing intensely enhancing lesion in occipital horn of left lateral ventricle s/o Choroid plexus papilloma.
Ependymoma
Pineal germinoma
Choroid plexus papilloma
Meningioma
Neuroradiology