Department of Pathology, University of Oklahoma Health Sciences Center

 

November 2004, Case 411-3. Quiz set! Click here to see.

A 40 year-old man with back pain and a sacral mass.

Clinical informationThe patient was a 40 year-old man with back pain for a long but unknown duration of time. MRI revealed a sharply circumscribed, lobulated, brightly enhancing, 3 cm mass in the cauda equina. The mass was removed and the followings are representative photomicrographs from the specimen. Panel A to C are taken from intraoperative cytologic preparation, D and E are taken from frozen section, F to H are taken from permanent sections.

Click thumbnails to see pictures.

What is your diagnosisDiscussion

Cases of the Month  Evaluation  Coordinator: KarMing-Fung@ouhsc.edu