Department of Pathology, University of Oklahoma Health Sciences Center
A 40 year-old man with back pain and a sacral mass.
Clinical information: The 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.
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Cases of the Month Evaluation Coordinator: KarMing-Fung@ouhsc.edu