A Solitary Skull Base Plasmacytoma Mimicking Paraganglioma on 68Ga-DOTATATE PET/CT.

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.

Citation

Jiaqiong Wang, Russ Kuker. A Solitary Skull Base Plasmacytoma Mimicking Paraganglioma on 68Ga-DOTATATE PET/CT. Clinical nuclear medicine. 2021 Jan;46(1):e18-e20

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PMID: 32796244

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