Acknowledgement
This study received funding from the Seoul National University Bundang Hospital (SNUBH 14-2017-0024 and SNUBH 14-2018-0027).
References
- Wei J, Wu ND, Liu BR. Regional but fatal: intraperitoneal metastasis in gastric cancer. World J Gastroenterol 2016;22:7478-7485. https://doi.org/10.3748/wjg.v22.i33.7478
- Japanese Gastric Cancer Association. Japanese Gastric Cancer Treatment Guidelines 2021 (6th edition). Gastric Cancer 2023;26:1-25. https://doi.org/10.1007/s10120-022-01331-8
- Jamel S, Markar SR, Malietzis G, Acharya A, Athanasiou T, Hanna GB. Prognostic significance of peritoneal lavage cytology in staging gastric cancer: systematic review and meta-analysis. Gastric Cancer 2018;21:10-18. https://doi.org/10.1007/s10120-017-0749-y
- Chia DK, So JB. Recent advances in intra-peritoneal chemotherapy for gastric cancer. J Gastric Cancer 2020;20:115-126. https://doi.org/10.5230/jgc.2020.20.e15
- Son SY, Choi HY, Lee Y, Park YS, Shin DJ, Oo AM, et al. Rapid staining using the Shorr method for intraoperative peritoneal washing cytology in advanced gastric cancer: a pilot study from a single institution. J Gastric Cancer 2019;19:173-182. https://doi.org/10.5230/jgc.2019.19.e14
- Kamal MM, Bodele A, Munshi MM, Bobhate SK, Kher AV. Efficacy of a modified Ultra Fast Papanicolaou (UFP) stain for breast aspirates. Indian J Pathol Microbiol 2000;43:417-421.
- Thakur M, Guttikonda VR. Modified ultrafast Papanicolaou staining technique: a comparative study. J Cytol 2017;34:149-153. https://doi.org/10.4103/JOC.JOC_23_16
- Bujang MA, Adnan TH. Requirements for minimum sample size for sensitivity and specificity analysis. J Clin Diagn Res 2016;10:YE01-YE06. https://doi.org/10.7860/JCDR/2016/18129.8744
- Kuhn M, Wing J, Weston S, Williams A, Keefer C, Engelhardt A, et al. Classification and regression training. Package 'caret' [Internet]. [place unknown]: Max Kuhn; 2022 [cited 2022 Dec 15]. Available from: https://cran.r-project.org/web/packages/caret/caret.pdf.
- Kassambara A, Kosinski M, Biecek P, Fabian S. Drawing Survival Curves using 'ggplot2'. Package 'survminer' [Internet]. [place unknown]: Alboukadel Kassambara; 2022 [cited 2022 Dec 15]. Available from: https://cran.r-project.org/web/packages/survminer/survminer.pdf.
- Kang L, Chen W. Compare two correlated c indices with right-censored survival outcome. Package 'compareC' [Internet]. [place unknown]: Le Kang; 2022 [cited 2022 Dec 15]. Available from: https://cran.r-project.org/web/packages/compareC/compareC.pdf.
- Yamaguchi T, Takashima A, Nagashima K, Terashima M, Aizawa M, Ohashi M, et al. Impact of preoperative chemotherapy as initial treatment for advanced gastric cancer with peritoneal metastasis limited to positive peritoneal lavage cytology (CY1) or localized peritoneal metastasis (P1a): a multi-institutional retrospective study. Gastric Cancer 2021;24:701-709. https://doi.org/10.1007/s10120-020-01137-6
- Bentrem D, Wilton A, Mazumdar M, Brennan M, Coit D. The value of peritoneal cytology as a preoperative predictor in patients with gastric carcinoma undergoing a curative resection. Ann Surg Oncol 2005;12:347-353. https://doi.org/10.1245/ASO.2005.03.065
- Ribeiro U Jr, Safatle-Ribeiro AV, Zilberstein B, Mucerino D, Yagi OK, Bresciani CC, et al. Does the intraoperative peritoneal lavage cytology add prognostic information in patients with potentially curative gastric resection? J Gastrointest Surg 2006;10:170-176. https://doi.org/10.1016/j.gassur.2005.11.001
- Kodera Y, Ito S, Mochizuki Y, Kondo K, Koshikawa K, Suzuki N, et al. A phase II study of radical surgery followed by postoperative chemotherapy with S-1 for gastric carcinoma with free cancer cells in the peritoneal cavity (CCOG0301 study). Eur J Surg Oncol 2009;35:1158-1163. https://doi.org/10.1016/j.ejso.2009.03.003
- Yamaguchi T, Takashima A, Nagashima K, Makuuchi R, Aizawa M, Ohashi M, et al. Efficacy of postoperative chemotherapy after resection that leaves no macroscopically visible disease of gastric cancer with positive peritoneal lavage cytology (CY1) or localized peritoneum metastasis (P1a): a multicenter retrospective study. Ann Surg Oncol 2020;27:284-292. https://doi.org/10.1245/s10434-019-07697-x
- Yago A, Haruta S, Ueno M, Ogawa Y, Shimoyama H, Ohkura Y, et al. Clinical significance of initial treatment for peritoneal lavage cytology-positive gastric cancer: outcomes according to treatment strategy. World J Surg Oncol 2022;20:35.
- Yasufuku I, Nunobe S, Ida S, Kumagai K, Ohashi M, Hiki N, et al. Conversion therapy for peritoneal lavage cytology-positive type 4 and large type 3 gastric cancer patients selected as candidates for R0 resection by diagnostic staging laparoscopy. Gastric Cancer 2020;23:319-327. https://doi.org/10.1007/s10120-019-00994-0
- Cabalag CS, Chan ST, Kaneko Y, Duong CP. A systematic review and meta-analysis of gastric cancer treatment in patients with positive peritoneal cytology. Gastric Cancer 2015;18:11-22. https://doi.org/10.1007/s10120-014-0388-5
- Masuda T, Kuramoto M, Shimada S, Ikeshima S, Yamamoto K, Nakamura K, et al. The effect of extensive intraoperative peritoneal lavage therapy (EIPL) on stage III B + C and cytology-positive gastric cancer patients. Int J Clin Oncol 2016;21:289-294. https://doi.org/10.1007/s10147-015-0892-6
- Kuramoto M, Shimada S, Ikeshima S, Matsuo A, Yagi Y, Matsuda M, et al. Extensive intraoperative peritoneal lavage as a standard prophylactic strategy for peritoneal recurrence in patients with gastric carcinoma. Ann Surg 2009;250:242-246. https://doi.org/10.1097/SLA.0b013e3181b0c80e
- Yang HK, Ji J, Han SU, Terashima M, Li G, Kim HH, et al. Extensive peritoneal lavage with saline after curative gastrectomy for gastric cancer (EXPEL): a multicentre randomised controlled trial. Lancet Gastroenterol Hepatol 2021;6:120-127. https://doi.org/10.1016/S2468-1253(20)30315-0
- Ishigami H, Yamaguchi H, Yamashita H, Asakage M, Kitayama J. Surgery after intraperitoneal and systemic chemotherapy for gastric cancer with peritoneal metastasis or positive peritoneal cytology findings. Gastric Cancer 2017;20:128-134. https://doi.org/10.1007/s10120-016-0684-3
- Passot G, Mohkam K, Cotte E, Glehen O. Intra-operative peritoneal lavage for colorectal cancer. World J Gastroenterol 2014;20:1935-1939. https://doi.org/10.3748/wjg.v20.i8.1935
- Ziselman EM, Harkavy SE, Hogan M, West W, Atkinson B. Peritoneal washing cytology. Uses and diagnostic criteria in gynecologic neoplasms. Acta Cytol 1984;28:105-110.
- Shorr E. A new technic for staining vaginal smears. Science 1940;91:321-322. https://doi.org/10.1126/science.91.2361.321
- Sakuma T, Mimura A, Tanigawa N, Takamizu R, Morishima H, Matsunami N. Rapid on-site cytologic examination of 1500 breast lesions using the modified Shorr's stain. Breast Cancer 2015;22:280-286. https://doi.org/10.1007/s12282-013-0479-x
- Choudhary P, Sudhamani S, Pandit A, Kiri V. Comparison of modified ultrafast Papanicolaou stain with the standard rapid Papanicolaou stain in cytology of various organs. J Cytol 2012;29:241-245. https://doi.org/10.4103/0970-9371.103942
- Kawakatsu S, Shimizu Y, Natsume S, Okuno M, Ito S, Komori K, et al. Prognostic significance of intraoperative peritoneal lavage cytology in patients with pancreatic ductal adenocarcinoma: a single-center experience and systematic review of the literature. Ann Surg Oncol 2022;29:5972-5983. https://doi.org/10.1245/s10434-022-11722-x
- Geca K, Rawicz-Pruszynski K, Mielko J, Mlak R, Sedlak K, Polkowski WP. Rapid detection of free cancer cells in intraoperative peritoneal lavage using One-Step Nucleic Acid Amplification (OSNA) in gastric cancer patients. Cells 2020;9:2168.
- Geca K, Rawicz-Pruszynski K, Mlak R, Sedlak K, Skorzewska M, Pelc Z, et al. Molecular cytology by One-Step Nucleic Acid Amplification (OSNA) assay of peritoneal washings during D2 gastrectomy in advanced gastric cancer patients: preliminary results. J Clin Med 2021;10:5230.