Observational studyAnnals of surgical oncology2024
Correlation of Morphological Appearance of Peritoneal Lesions at Laparotomy and Disease at Pathological Assessment in Patients Undergoing Cytoreductive Surgery for Peritoneal Malignancy: Results of Phase I of the PRECINCT Study in 707 Patients.
Observational study in Annals of surgical oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Systemic Chemotherapy in Patients with Synchronous Peritoneal Metastasis from Gastric and Esophagogastric Junction Cancers Has No Uniform Effect on the Peritoneal Cancer Index.Annals of surgical oncology · 2026Article
- Morphology and Pathophysiology of 10 Different Types of Peritoneal Metastases.Journal of surgical oncology · 2026Article
- Immediate Second Look After Cytoreduction for Colorectal or Ovarian Carcinomatosis: An Invisible Gorilla Effect?Annals of surgical oncology · 2026Article
- ASO Author Reflections: The Surgical Peritoneal Cancer Index: an Objective Score that Is Estimated Subjectively.Annals of surgical oncology · 2026Article
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Authors and funding
40 authors.
Funding
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Abstract
backgroundThe PRECINCT (Pattern of peritoneal dissemination and REsponse to systemic Chemotherapy IN Common and uncommon peritoneal Tumors) is a prospective, multicenter, observational study. This report from phase I of PRECINCT outlines variations in recording the surgical peritoneal cancer index (sPCI) at experienced peritoneal malignancy centers and the incidence of pathologically confirmed disease in morphologically different peritoneal lesions (PL).
methodsThe sPCI was recorded in a prespecified format that included the morphological appearance of PL. Six prespecified morphological terms were provided. The surgical and pathological findings were compared.
resultsFrom September 2020 to December 2021, 707 patients were enrolled at 10 centers. The morphological details are routinely recorded at two centers, structure bearing the largest nodule, and exact size of the largest tumor deposit in each region at four centers each. The most common morphological terms used were normal peritoneum in 3091 (45.3%), tumor nodules in 2607 (38.2%) and confluent disease in 786 (11.5%) regions. The incidence of pathologically confirmed disease was significantly higher in 'tumor nodules' with a lesion score of 2/3 compared with a lesion score of 1 (63.1% vs. 31.5%; p < 0.001). In patients receiving neoadjuvant chemotherapy, the incidence of pathologically confirmed disease did not differ significantly from those undergoing upfront surgery [751 (47.7%) and 532 (51.4%) respectively; p = 0.069].
conclusionsThe sPCI was recorded with heterogeneity at different centers. The incidence of pathologically confirmed disease was 49.2% in 'tumor nodules'. Frozen section could be used more liberally for these lesions to aid clinical decisions. A large-scale study involving pictorial depiction of different morphological appearances and correlation with pathological findings is indicated.
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