18F-FDG PET/CT and 68Ga-FAPI-04 PET/CT Findings of Abdominal Leiomyosarcoma
Yunus Güzel, Canan Can, Nilgün Söğütçü, Ebubekir Gündeş, Cihan Gündoğan
Abstract
ABSTRACT: A 56-year-old woman presented with abdominal pain and vomiting. Her abdominal CT revealed an retroperitoneal mass in the left upper quadrant of the abdomen. 18F-FDG PET/CT performed for metabolic characterization showed low to moderate heterogenous FDG uptake. 68Ga-fibroblast activation protein-specific inhibitor (FAPI)-04 PET/CT performed according to a research carried out in our department showed high heterogenous radiopharmaceutical uptake. The patient was diagnosed with leiomyosarcoma after R0 tumor resection. This case showed that 68Ga-FAPI-04 PET/CT could be a promising radiopharmaceutical in the evaluation of leiomyosarcomas.
Topics & Concepts
MedicineLeiomyosarcomaAbdomenPET-CTNuclear medicineFibroblast activation protein, alphaRadiologyVomitingPositron emission tomographyCancerInternal medicinePeptidase Inhibition and AnalysisProtease and Inhibitor MechanismsCardiac Structural Anomalies and Repair