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Updated: Apr 25, 2026

Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT
Published on: January 22, 2018
Dual FDG and Octreotide PET/CT Imaging in a Patient With Malignant Pheochromocytoma and VHL Gene Mutation
Qingyi Li1, Limeng He2, Haiyan Gao2
1Department of Nuclear Medicine, Neijiang First People's Hospital, Neijiang.
Abstract:
A 59-year-old woman with a history of recurrent pheochromocytoma underwent 18 F-FDG and 18 F-octreotide PET/CT to evaluate metastatic disease following progression on targeted therapy. FDG PET/CT showed intense uptake in a mass in the right adrenal bed, bones, lung nodules, and lymph nodes. Octreotide PET/CT confirmed concordant high uptake in the corresponding lesions. Germline testing revealed a VHL p.Asp126Asn mutation. This "dual-tracer" strategy provided complementary information on glucose metabolism and somatostatin receptor expression, facilitating prognostic stratification and therapeutic decision-making in VHL-mutated pheochromocytoma.
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