Detection of Extramedullary Laryngeal Involvement on 68 Ga-Pentixafor PET/CT in a Newly Diagnosed Patient of Multiple Myeloma.

Kumar, Suraj; Kaur, Harneet; Watts, Ankit; Malhotra, Pankaj; Singh, Baljinder · Clin Nucl Med · 2025

case_report · Level V

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Abstract

A 40-year-old man with newly diagnosed multiple myeloma underwent both 68 Ga-Pentixafor and 18 F-FDG PET/CT. Extramedullary laryngeal involvement was noted on both modalities in addition to diffuse marrow involvement and focal lesions. 68 Ga-Pentixafor PET/CT is increasingly used in multiple myeloma and demonstrates similar diagnostic performance as 18 F-FDG PET/CT. We present a rare case of extramedullary laryngeal involvement at baseline on both 68 Ga-Pentixafor and 18 F-FDG PET/CT.

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