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Predictive and prognostic markers
Peritonectomy procedures for peritoneal surface malignancies: PSOGI-ESGO-ISSPP Lyon consensus

Peritonectomy procedures for peritoneal surface malignancies: PSOGI-ESGO-ISSPP Lyon consensus

Aditi Bhatt ¹, Artem Stepanyan ², Brendan J Moran ³, Dennis Chi ⁴, Christina Fotopoulou ⁵, Joel M Baumgartner ⁶, Naoual Bakrin ⁷, Marcello Deraco ⁸, Gwenael Ferron ⁹, Vahan Kepenekian ⁷, Shigeki Kusamura ⁸, Vincent Lavoue ¹⁰, Ahmed Al Niaimi ⁴, Alvaro Arjona-Sanchez ¹¹, Jalid Sehouli ^12,13, Vivek Sukumar ¹⁴, Kiran Turaga ¹⁵, Laurent Villeneuve ¹⁶, François Planchamp ¹⁷, Ignacio Zapardiel Gutiérrez ^18,19, Donal J Brennan ²⁰, Olivier Glehen ⁷,

Aditi Bhatt ¹, Artem Stepanyan ², Brendan J Moran ³

¹Department of Surgical Oncology, Shalby Cancer and Research Institute, Ahmedabad, India.
²Department of Gynaecological Oncology, Nairi Medical Centre, Yerevan, Armenia.
³Peritoneal Malignancy Unit, Basingstoke and North Hampshire NHS Foundation Trust, Basingstoke, UK.
⁴Department of Gynaecological Oncology, Memorial Sloan Kettering Cancer Centre, New York, New York, USA.
⁵Department of Gynaecological Oncology and Department of Surgery and Cancer, Imperial College London, London, UK.
⁶Department of Surgical Oncology, UC San Diego Health, La Jolla, California, USA.
⁷Department of Surgical Oncology, Centre Hospitalier Lyon Sud, Pierre-Bénite, France.
⁸Department of Surgical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy.
⁹Department of Surgical Oncology, Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France.
¹⁰Department of Gynaecology, University Hospital, Rennes, France.
¹¹Department of Surgical Oncology, Pancreatic Surgery, and Liver and Pancreas Transplantation, University Hospital Reina Sofia, Cordoba, Spain.
¹²Department of Gynaecological Oncology and Department of Gynaecology with Centre for Oncological Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany.
¹³North-Eastern German Society of Gynaecological Oncology (NOGGO), Berlin, Germany.
¹⁴Department of Surgical Oncology, Specialty Surgical Oncology Hospital, Mumbai, India.
¹⁵Department of Surgical Oncology, Yale Medical Centre, New Haven, Connecticut, USA.
¹⁶Clinical Research and Epidemiological Unit, Public Health Department, Hospices Civils de Lyon, Lyon, France.
¹⁷Department of Clinical Research, Institut Bergonié, Bordeaux, France.
¹⁸Gynaecological Oncology Unit, La Paz University Hospital, Madrid, Spain.
¹⁹Department of Gynecology, UAM University, Madrid, Spain.
²⁰UCD Gynaecological Oncology Group, UCD School of Medicine, Mater Misericordiae University Hospital, Dublin, Ireland.

⁰Department of Surgical Oncology, Shalby Cancer and Research Institute, Ahmedabad, India.

The British Journal of Surgery +

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June 25, 2025

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June 25, 2025

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View abstract on PubMed

Summary

This summary is machine-generated.

This consensus established a standardized nomenclature for peritonectomy procedures in peritoneal surface malignancies. A new reporting format aids research on the extent of peritoneal resection needed for effective treatment.

Area Of Science

Surgical Oncology
Peritoneal Surface Malignancies
Cytoreductive Surgery

Background

Peritonectomy procedures for peritoneal surface malignancies lack uniform nomenclature and execution.
Variability exists between surgeons and institutions regarding peritonectomy techniques.

Purpose Of The Study

To establish a uniform nomenclature for peritonectomy procedures.
To define subregions and boundaries for each peritonectomy procedure.
To improve standardization in surgical reporting for peritoneal malignancies.

Main Methods

Modified Delphi technique involving expert surgeons.
Two rounds of voting by a panel of experts in cytoreductive surgery.
Consensus defined as >75% agreement on nomenclature and procedural definitions.

Main Results

High consensus (98.1%) reached on 207 of 211 questions.
Agreement achieved on peritonectomy subdivisions and procedural boundaries.
A standardized reporting form was developed to document surgical extent.

Conclusions

A revised, standardized nomenclature for peritonectomy procedures was successfully developed.
The new reporting format is crucial for advancing research on peritoneal resection extent.
Standardization will enhance consistency in treating peritoneal surface malignancies.

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