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The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
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Related Experiment Video

Updated: Feb 2, 2026

Laparoscopic Anterior Right Hepatectomy: A Single-Center Experience
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Laparoscopic right posterior sectionectomy: single-center experience and technical aspects.

Mathieu D'Hondt1, Sander Ovaere2, Joep Knol3

  • 1Department of Digestive and Hepatobiliary/Pancreatic Surgery, Groeninge Hospital, President Kennedylaan 4, 8500, Kortrijk, Belgium. mathieudhondt2000@yahoo.com.

Langenbeck'S Archives of Surgery
|November 23, 2018
PubMed
Summary

Laparoscopic right posterior sectionectomy (LRPS) is a feasible and safe liver surgery. Our experience shows good outcomes with minimal complications for this complex procedure.

Keywords:
Glissonean approachHepatobiliary surgeryLaparoscopyPosterosuperior segmentsTechniques

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Area of Science:

  • Hepatobiliary surgery
  • Minimally invasive surgical techniques
  • Surgical oncology

Background:

  • Laparoscopic right posterior sectionectomy (LRPS) is a complex surgical procedure.
  • Sharing surgical experience is crucial for advancing minimally invasive liver resections.

Purpose of the Study:

  • To share institutional experience with Laparoscopic right posterior sectionectomy (LRPS).
  • To highlight the technical aspects and outcomes of LRPS.

Main Methods:

  • Single-center retrospective analysis of 18 patients undergoing LRPS (Sept 2011 - Oct 2017).
  • Utilized Video-in-Picture (VIP) technology to showcase technical details.
  • Retrieved data from a prospectively maintained database.

Main Results:

  • 18 patients underwent LRPS, primarily for liver metastases and hepatocellular carcinoma.
  • The Glissonean approach was used in 13 patients for inflow control.
  • Median operative time was 162 minutes, with low blood loss (325 mL) and a 5.5% conversion rate. R0 resection was achieved in all patients, with no 90-day mortality.

Conclusions:

  • Laparoscopic right posterior sectionectomy (LRPS) is a feasible and safe procedure.
  • The study supports the safety and efficacy of LRPS based on institutional experience.