Gastric Metastasis of Prostate Cancer as an Unusual Presentation Using 68Ga-Prostate-Specific Membrane Antigen PET/CT.

Clinical Nuclear Medicine
Hugo Enrique Solis LaraRocío Del Carmen Argueta Ruiz

Abstract

A 79-year-old man with prostate cancer underwent Ga prostate-specific membrane antigen (Ga-PSMA) dual-time-point PET/CT scan to evaluate tumor activity due to early satiety, unquantified weight loss, and elevation of prostate-specific antigen (PSA), demonstrating thickening of the gastric wall with intense tracer uptake. The immunohistochemistry of gastric biopsy showed CDX2 and CK20: negative; CK7, focal positive; PSA, positive, which confirmed metastatic disease. Metastatic disease was also found in bones, right lung, and retroperitoneal and pelvic lymphadenopathies.

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Citations

Jun 6, 2018·The Quarterly Journal of Nuclear Medicine and Molecular Imaging : Official Publication of the Italian Association of Nuclear Medicine (AIMN) [and] the International Association of Radiopharmacology (IAR), [and] Section of the Society of Radiopharmaceutica·Bettina Beuthien-Baumann, Stefan A Koerber
Jan 5, 2019·Clinical Nuclear Medicine·Shumao ZhangYue Chen
Jul 31, 2019·Clinical Nuclear Medicine·Nikhil SeniarayHarsh Mahajan

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