From the case:
Pineoblastoma (gross pathology)
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_pin":false},"extraPropsURL":"/studies/27830/annotated_viewer_json?iframe=true\u0026lang=us"}
An autopsy specimen showing a rather large pineal tumor. It was a pineoblastoma composed of highly cellular sheets of anaplastic cells with irregular hyperchromatic nuclei and brisk mitotic activity – resembling medulloblastoma and retinoblastoma.
Case Discussion
Case reproduced with permission, courtesy of Dr. Dharam M. Ramnani, Webpathology.com (original case is here). All rights reserved; please see original case for copyright information.