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Updated: May 16, 2026

Techniques of Laparoscopic Right Posterior Sectionectomy: Glissonian Approach and a Parenchymal Transection Technique
Published on: October 6, 2023
Laparoscopic hepatic posterior sectionectomy: a hand-assisted approach.
Paulo Herman1, Jaime Arthur Pirola Krüger, Marcos Vinícius Perini
1Department of Gastroenterology, Liver Surgery Unit, University of Sao Paulo, Sao Paulo, Brazil.
Laparoscopic liver resection of posterior segments is challenging. Hand-assisted surgery offers a standardized approach, improving visualization and control for safer oncological outcomes in complex hepatic procedures.
Area of Science:
- Hepatobiliary Surgery
- Minimally Invasive Surgery
- Surgical Oncology
Background:
- Laparoscopic liver resection, especially of posterior segments, presents significant surgical challenges.
- These challenges include limited visualization, mobilization difficulties, and precise vascular control.
- Existing techniques require specialized teams and centers for successful outcomes.
Observation:
- A case study involving a 42-year-old hepatitis B-positive woman with a liver neoplasm in the right posterior section.
- The procedure utilized hand-assisted laparoscopy with intrahepatic Glissonian pedicle control.
- Parenchymal transection was guided by the demarcation line between vascularized and ischemic liver segments.
Findings:
- The hand-assisted laparoscopic approach facilitated the resection of the posterior liver segment.
- The surgery was completed in 210 minutes with an estimated blood loss of 300 ml.
- Histological confirmation of well-differentiated hepatocellular carcinoma, with the patient disease-free at 18 months.
Implications:
- Hand-assisted laparoscopy provides a standardized and effective strategy for complex liver resections.
- This technique enhances safety and overcomes limitations of purely laparoscopic or open approaches.
- It offers the benefits of minimally invasive surgery without compromising oncological safety for posterior liver segment resections.
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