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Abstract #2322

PET/MRI as a sensitive diagnostic tool for peritoneal carcinomatosis: early results from a single center prospective study

Amy Law1,2, Naik Vietti Violi1,3, Stefanie Hectors1,2, Eliahu Y. Bekhor4, Somali Gavane5, Daniel Labow4, and Bachir Taouli1,2

1Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States, 2Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States, 3Radiology, Lausanne University Hospital, Lausanne, Switzerland, 4Department of Surgery, Icahn School of Medicine at Mount Sinai, New York, NY, United States, 5Department of Nuclear Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States

The goal of our study was to assess the diagnostic value of PET/MRI for diagnosis and spatial localization of peritoneal carcinomatosis (PC) in patients prior to potential cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). We found that PET/MRI is sensitive and accurate at predicting PC at the patient level as compared to surgery, the reference standard. However, PET/MRI was not to as accurate in localizing PC in the abdominopelvic cavity. Findings need to be validated in a larger study.

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