Kohei Nishio

Papers

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About

Dr. Kohei Nishio is a pioneering hepatobiliary surgeon whose work centers on advancing minimally invasive liver surgery through fluorescence-guided technologies. His most impactful research validates the use of indocyanine green (ICG) fluorescence imaging for tumor localization during robot-assisted hepatectomy (RAH), a technique that significantly enhances surgical precision. In his landmark 2023 study, Dr. Nishio demonstrated that preoperative ICG administration at 0.5 mg/kg effectively visualizes hepatic tumors in 30 consecutive patients, achieving clear tumor demarcation in 33 collective lesions. This work, which has garnered 15 citations in a short period, addresses a critical challenge in robotic liver surgery: the inability to palpate tumors. By providing real-time, high-contrast imaging of malignant tissue, his method reduces the risk of positive margins and improves oncologic outcomes. Dr. Nishio's contributions are particularly notable for bridging the gap between advanced robotic platforms and practical intraoperative decision-making. His research not only validates a reproducible protocol for ICG dosing and timing but also establishes a new standard for tumor visualization in minimally invasive hepatobiliary surgery, positioning him as a leading voice in the integration of fluorescence imaging with robotic surgical systems.