Article ; Online: Tumor-positive peritoneal cytology in patients with gastric cancer is associated with poor outcome: A nationwide study.
European journal of cancer (Oxford, England : 1990)
2024 Volume 199, Page(s) 113541
Abstract: Background: The clinical significance of tumor-positive peritoneal cytology (CYT+) in gastric cancer (GC) patients is unclear. This nationwide cohort study aimed to i) assess the frequency of cytological analysis at staging laparoscopy; ii) determine ... ...
Abstract | Background: The clinical significance of tumor-positive peritoneal cytology (CYT+) in gastric cancer (GC) patients is unclear. This nationwide cohort study aimed to i) assess the frequency of cytological analysis at staging laparoscopy; ii) determine the prevalence of CYT+GC; and iii) compare overall survival (OS) in CYT+ patients versus those with (PM+) and those without (PM-) macroscopic peritoneal disease. Methods: All patients diagnosed with cT1-4, cN0-2 and M0 or synchronous PM GC between 2016-2021 were identified in the Netherlands Cancer Registry database and linked to the nationwide pathology database. Results: A total of 4397 patients was included, of which 40 % underwent cytological assessment following staging laparoscopy (863/1745). The prevalence of CYT+ was 8 %. A total of 69 patients had CYT+(1.6 %), 789 (17.9 %) had PM+ and 3539 (80.5 %) had PM- disease. Hazard ratio for OS in CYT+ versus PM+ was 0.86 (95 %CI 0.64-1.17, p-value=0.338), and in PM- versus PM+0.43 (95 %CI 0.38-0.49, p-value<0.001). No survival difference was found between systemic chemotherapy versus surgical resection in CYT+ patients. Discussion: In this nationwide study, OS for gastric cancer patients with CYT+ was equally unfavorable as for those with PM+ and significantly worse as compared to those with PM-. The optimal treatment strategy has yet to be established. |
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MeSH term(s) | Humans ; Stomach Neoplasms/pathology ; Cohort Studies ; Cytology ; Peritoneal Lavage ; Neoplasm Staging ; Prognosis |
Language | English |
Publishing date | 2024-01-15 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 82061-1 |
ISSN | 1879-0852 ; 0277-5379 ; 0959-8049 ; 0964-1947 |
ISSN (online) | 1879-0852 |
ISSN | 0277-5379 ; 0959-8049 ; 0964-1947 |
DOI | 10.1016/j.ejca.2024.113541 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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