ArticleAnnals of surgical oncology2024
Laparoscopic Anatomical Cranial Sub-segmentectomy of Segment VII (S7) with Super-Selective Intra-arterial Nano-ICG Positive Staining-Guided Trans-Parenchymal Approach.
Article in Annals of surgical oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors at 2 institutions in 1 country.
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Abstract
backgroundWith introduction of "cone unit," which is the smallest resectable anatomical area supplied by a tertiary branch of Glissonean pedicle, more precise subsegmental anatomical resection has been proposed.
methodsA 70-year-old male was admitted. CT scan showed tumor was located in cranial S7 with 2.1*1.9 cm. Preoperative AFP was 4.66 ng/ml and PIVKA-II was 2332 mAU/ml. The liver function was Child-Pugh class A and ICG-15R was 7.8%. Given that tumor was confined to cranial S7, precise anatomical sub-segmentectomy was warranted. This study was approved by the West China Hospital, Sichuan University Ethics Committee (approval number: 2023-2327).
resultsThe operation was performed "two step." "First step" was super-selective intra-arterial nano-ICG embolization in intervention room, while "second step" was performed in operation room. ICG demarcation line was clearly identified even after 7 hr. After full mobilization of right hemiliver, we performed transparenchymal approach to find and clamp pedicle of cranial S7 under fluorescence guidance. Operation time was 150 min with 20 ml of blood loss with uneventful course.
conclusionsAlthough LAR of S7 remains challenging, super-selective intra-arterial nano-ICG positive staining guidance might be a feasible and safe option.
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