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Primary spinal epidural non-Hodgkin lymphoma demonstrated by FDG PET/CT
Linh Ho1, David Valenzuela, Ali Negahban
1Division of Nuclear Medicine, Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA. linhho@usc.edu
Abstract:
We report the F-18 fluorodeoxyglucose positron emission tomography/computed tomography appearance of a biopsy-proven primary epidural non-Hodgkin lymphoma involving the lower cervical and upper thoracic spine with a small hypermetabolic right middle lobe nodule in a 33-year-old man. The HIV-positive patient presented with mid- to low back pain for several days, which progressed to lower extremity weakness and urinary retention. Primary spinal epidural non-Hodgkin lymphoma is a rare form of malignancy, constituting approximately 0.1% to 3.3% of all lymphomas. In our case, the primary tumor appears as an intensely hypermetabolic soft-tissue mass involving the posterior epidural space from C6 through T9 levels.
