Abstract #2322

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

Amy Law^1,2, Naik Vietti Violi^1,3, Stefanie Hectors^1,2, Eliahu Y. Bekhor⁴, Somali Gavane⁵, Daniel Labow⁴, and Bachir Taouli^1,2

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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