Fluorescence-Guided Surgery in the Combined Treatment of Peritoneal Carcinomatosis from Colorectal Cancer: Preliminary Results and Considerations (original) (raw)

2017

Abstract

BackgroundIndocyanine green (ICG) is a near-infrared fluorescent contrast agent, which preferentially accumulates in cancer tissue. The aim of our study was to investigate the role of fluorescence imaging (FI) with ICG (ICG-FI) for detecting peritoneal carcinomatosis (PC) from colorectal cancer (CRC).MethodsFour CRC patients with PC scheduled for cytoreductive surgery + hyperthermic intraperitoneal chemotherapy were enrolled in this prospective study. At a median time of 50 min after 0.25 mg/kg ICG injected intravenously, intraoperative ICG-FI using Fluobeam® was performed in vivo and ex vivo on all specimens. The Peritoneal Cancer Index was used to estimate the likelihood of complete cytoreduction.ResultsNo severe complications were recorded. ICG-FI took a median of 20 min (range 10–30, IQR 15–25). Sixty-nine nodules were harvested. Fifty-two nodules had been diagnosed preoperatively by conventional imaging (n = 30; 43%) or intraoperatively by visual inspection/palpation (n = 22; 3...

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