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68Ga-PSMA Uptake in Anal Fistula on PET/CT Scan

Klingenberg, Søren, BSc(Med)*; Jochumsen, Mads Ryø, MD*; Nielsen, Tomas Frahm, MD; Bouchelouche, Kirsten, MD, DMSc*

doi: 10.1097/RLU.0000000000002370
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68Ga–prostate-specific membrane antigen (PSMA) PET/CT scan for primary staging discovered increased 68Ga-PSMA uptake in a known anal fistula in a recently diagnosed high-risk prostate cancer patient. The patient had an ongoing history of surgical revisions of complex fistulas in the perianal region, contributing to active inflammation and infection. Recently, reports have demonstrated increased 68Ga-PSMA uptake in different benign inflammatory conditions. This case demonstrates another case of a benign condition associated with increased 68Ga-PSMA uptake.

From the Departments of *Nuclear Medicine and PET Centre, and

Radiology, Aarhus University Hospital, Aarhus, Denmark.

Received for publication August 29, 2018; revision accepted September 29, 2018.

Conflicts of interest and sources of funding: none declared.

Correspondence to: Søren Klingenberg, BSc(Med), Department of Nuclear Medicine and PET Centre, Aarhus University Hospital, Palle Juul-Jensens Blvd 99, 8200 Aarhus N, Denmark. E-mail:

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