Department of Pathology, University of Oklahoma Health Sciences Center

March 2007, Case 703-1. Quiz set! Click here to see.

A 33 year-old woman with a mass that extends from the frontal lobe into the nasal sinus.

Clinical informationThe patient was a 35 year-old woman who presented with sinus congestions, loss of smell, and headache. On MRI scan, an non-enhancing, intra-axial mass that extended from the nasal cavity through the cribiform plate to the frontal lobe of the brain is present and the bulk of the tumor is in the frontal lobe. A biopsy of the nasal component was performed and the followings are the representative images from the biopsy material:

Click thumbnails to see pictures.

What is your diagnosisDiscussion

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