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Published on: April 17, 2019
A Solitary Skull Base Plasmacytoma Mimicking Paraganglioma on 68Ga-DOTATATE PET/CT
1From the Division of Nuclear Medicine, Department of Radiology, Miller School of Medicine, University of Miami Hospital/Jackson Memorial Hospital, Miami, FL.
Abstract:
The patient was a 61-year-old man with a history of neck pain starting around October 2019. CT of the neck showed a lytic lesion at the right skull base. Subsequent MRI demonstrated an enhancing destructive mass in the right skull base centered in the occipital bone and condyle involving the jugular foramen and hypoglossal canal. An F-FDG PET/CT was performed showing increased FDG uptake in the right jugular foramen tumor. In addition, a PET/CT with Ga-[DOTA-Tyr3]-octreotate (Ga-DOTATATE) demonstrated a Ga-DOTATATE-avid lesion in the right jugular foramen eroding the adjacent osseous structures. Biopsy revealed a plasmacytoma and not paraganglioma.
