Abdominal Splenosis Mimicking Peritoneal Metastasis in Prostate-Specific Membrane Antigen PET/CT, Confirmed With Selective Spleen SPECT/CT

Clinical Nuclear Medicine
Emre DemirciMehmet Mülazimoğlu

Abstract

Ga-prostate-specific membrane antigen (PSMA) PET/CT is a rapidly evolving diagnostic technique to image prostate cancer. In contrast to the name PSMA, various tissues show Ga-PSMA uptake in PET/CT imaging. We present a case of a 68-year-old man with prostate cancer who underwent Ga-PSMA PET/CT. Along with metastatic lymph nodes, multiple nodular lesions within the peritoneal spaces of all 4 quadrants of the abdomen showed high PSMA expression. Because of a history of splenic rupture, a Tc-labeled heat-denatured erythrocyte scintigraphy and SPECT were performed. Peritoneal lesions showed high uptake, confirming widespread peritoneal splenosis.

References

Dec 4, 2003·European Journal of Nuclear Medicine and Molecular Imaging·Renato A Valdés OlmosPhilippe C Baars
Jun 5, 2015·Journal of Medical Imaging and Radiation Oncology·Thomas W BarberVictor Kalff
Jun 23, 2016·Nuclear Medicine Communications·Emre DemirciLevent Kabasakal

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Citations

May 11, 2021·World Journal of Clinical Cases·Alessio TognarelliCesare Selli

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