Dissemin is shutting down on January 1st, 2025

Published in

Elsevier, Translational Research, 5(162), p. 324-331

DOI: 10.1016/j.trsl.2013.05.002

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First in-human intraoperative imaging of HCC using the fluorescence goggle system and transarterial delivery of near-infrared fluorescent imaging agent: a pilot study

This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Data provided by SHERPA/RoMEO

Abstract

Surgical resections remain the primary curative interventions for hepatocellular carcinoma (HCC). However, lack of real-time intraoperative image guidance confines surgeons to subjective visual assessment of the surgical bed, leading to poor visualization of small positive nodules and the extension of diffuse HCC. To address this problem, we developed a wearable fluorescence imaging and display system (fluorescence goggle) for intraoperative imaging of HCCs in human patients. In this pilot study, both intravenous (i.v.) and transarterial hepatic (TAH) delivery of indocyanine green (ICG) were explored to facilitate fluorescence goggle-mediated HCC imaging. The results show that all primary tumors in patients (n=4) who received TAH delivery of ICG were successfully identified by the fluorescence goggle. In addition, 6 satellite tumors were also detected by the goggle, 5 of which were neither identifiable in pre-operative MRI and CT images nor by visual inspection and palpation. In the group (n=5) that received ICG by i.v., only 2 out of 6 tumors visible in the pre-operative MRI or CT images were identified with the fluorescence goggle, demonstrating the limitation of this delivery route for a non-tumor selective imaging agent. Comparative analysis shows that the HCC-to-liver florescence contrast detected by the goggle was significantly higher in patients that received TAH than i.v. delivery of ICG (P=0.013). This pilot study demonstrates the feasibility of using the fluorescence goggle to identify multifocal lesions and small tumor deposits using TAH ICG delivery in HCC patients.