Date of Presentation:3/30/2016

Attending pathologist: Jose Otero, M.D., Ph.D

Presented by: Jose Otero, M.D., Ph.D.

Prepared by: Keluo Yao, M.D.



This is a middle aged gentleman who presented with a ventricular mass. An intra-operative consultation was performed. The final diagnosis required more extensively workup.

What is this lesion?

  1. Schwannoma
  2. Meningioma
  3. Pilocytic astrocytoma
  4. Ependymoma