World journal of surgery · 2019
Resection of Hepatic Lesions Perfused by the Cholecystic Vein Using Indocyanine Green Navigation in Patients with cT2 Gallbladder Cancer.
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Chiba Naokazu, Shimazu Motohide, Ochiai Shigeto, Yokozuka Kei, Gunji Takahiro, Okihara Masaaki, Sano Toru, Tomita Koichi, Tsutsui Rina, Oshima Go, Takano Kiminori, Abe Yuta, Hirano Hiroshi, Kawachi Shigeyuki
Аннотация
BACKGROUND: Various approaches to hepatectomy have been proposed for cT2 gallbladder cancers (GBC), but the optimal management strategy remains unclear. The aim of this study is to assess the effectiveness of using an indocyanine green (ICG)-based intraoperative navigation system during hepatic resection for cT2 GBC.
METHODS: From September 2007 to December 2017, 24 consecutive patients diagnosed with cT2 GBC underwent hepatic resection using ICG navigation. After cannulation of the cholecystic artery, ICG diluted with dissolution liquid was injected and ICG fluorescence illumination was visualized with the HyperEye Medical System. And additional histopathological examination was performed on the most recent 15 of the 24 patients for detection of microscopic liver metastasis.
RESULTS: For all patients, the disease-free survival rate was 59.1% at 5 years and overall survival rate was 86.2% at 5 years. Microscopic liver metastasis was detected in the resected liver in 3 (20%) of 15 patients, whose site of liver was S6, S5, and S5, respectively. The weight of the liver resected using ICG navigation was significantly smaller than that of S4a/S5 segmentectomy (P < 0.0001).
CONCLUSION: Resected hepatic lesion using ICG imaging was possible to perform hepatectomy including liver micro-metastasis without excess or deficiency. This procedure might be novel intraoperative imaging method to provide valuable information on the optimal surgical approach to cT2 GBC.
METHODS: From September 2007 to December 2017, 24 consecutive patients diagnosed with cT2 GBC underwent hepatic resection using ICG navigation. After cannulation of the cholecystic artery, ICG diluted with dissolution liquid was injected and ICG fluorescence illumination was visualized with the HyperEye Medical System. And additional histopathological examination was performed on the most recent 15 of the 24 patients for detection of microscopic liver metastasis.
RESULTS: For all patients, the disease-free survival rate was 59.1% at 5 years and overall survival rate was 86.2% at 5 years. Microscopic liver metastasis was detected in the resected liver in 3 (20%) of 15 patients, whose site of liver was S6, S5, and S5, respectively. The weight of the liver resected using ICG navigation was significantly smaller than that of S4a/S5 segmentectomy (P < 0.0001).
CONCLUSION: Resected hepatic lesion using ICG imaging was possible to perform hepatectomy including liver micro-metastasis without excess or deficiency. This procedure might be novel intraoperative imaging method to provide valuable information on the optimal surgical approach to cT2 GBC.