Abstract
Background
Laparoscopic anatomic liver resections of the posterosuperior segments are technically demanding procedures.1,2,3,4,5 The segments are located in a deep-seated area of the liver surrounded by the ribs and the diaphragm, making forceps manipulation difficult. To overcome this limitation, an intrahepatic Glissonean approach and exposure of the hepatic veins from the root side was applied.6,7,8,9,10 The authors describe the technical aspects of performing a bisegmentectomy 7–8.
Methods
Liver parenchymal transection was initiated from the ventral aspect of the root of the middle hepatic vein, which often runs in the intersegmental plane, identifying the Glissonean pedicle of segment 8 (G8). After dissection of the G8, segmentectomy 8 was performed through identification of the ischemic area. After complete mobilization of the right lobe, the Glissonean pedicle of segment 7 (G7), which runs relatively near the liver surface,9, 10 was marked using ultrasonography. After division of the G7, a wide dissection between the caudate lobe and segment 7 was performed and connected to the previously dissected plane from the dorsal side of the right hepatic vein (RHV). Finally, bisegmentectomy 7–8 was performed with RHV resection because of tumor invasion.
Results
The operation time was 510 min, and the estimated blood loss was 150 ml. The patient was discharged on postoperative day 10 without any complications.
Conclusions
Application of the intrahepatic Glissonean approach and exposure of the major hepatic veins from their roots using unique laparoscopic principles allows a safe performance of bisegmentectomy 7–8.
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Monden, K., Sadamori, H., Hioki, M. et al. Intrahepatic Glissonean Approach for Laparoscopic Bisegmentectomy 7 and 8 With Root-Side Hepatic Vein Exposure. Ann Surg Oncol 29, 970–971 (2022). https://doi.org/10.1245/s10434-021-10839-9
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DOI: https://doi.org/10.1245/s10434-021-10839-9