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Validating the PSOG...
Validating the PSOGI classification of peritoneal disease from non-carcinoid epithelial appendiceal neoplasms in the curative and palliative setting : an observational retrospective study
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- Farrokhnia, Nina (author)
- Uppsala universitet,Institutionen för kirurgiska vetenskaper
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- Benoni, Henrik (author)
- Uppsala universitet,Transplantationskirurgi
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- Ghanipour, Lana (author)
- Uppsala universitet,Gastrointestinalkirurgi
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- Cashin, Peter, 1984- (author)
- Uppsala universitet,Gastrointestinalkirurgi
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(creator_code:org_t)
- 2022-04
- 2022
- English.
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In: Journal of Gastrointestinal Oncology. - : AME Publishing Company. - 2078-6891 .- 2219-679X. ; 13:2, s. 859-870
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Abstract
Subject headings
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- Background: Few studies on long-term survival have been published since the new updated pseudomyxoma peritonei (PMP) classification was published in 2016. The aim was to investigate long-term survival according to the Peritoneal Surface Oncology Group International (PSOGI) classification and compare prognostic factors. Methods: From Uppsala University Hospital, consecutive patients referred for cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) from 2004 to 2017 with peritoneal disease from non-carcinoid mucinous epithelial appendiceal neoplasms were included in the study. The peritoneal disease was divided into four groups: mucin only, low-grade mucinous carcinoma peritonei (MCP-1), high-grade (MCP-2), and high-grade with signet ring cells (MCP-3). Survival curves were rendered, and prognostic factors were compared. Results: The study included 223 patients: 36 with mucin only, 112 with MCP-1, 70 with MCP-2, and 5 with MCP-3. Thirty-eight patients had a palliative debulking or open/close procedure. The 5-and 10-year overall survival was 97% and 97% for mucin only, 83% and 70% for MCP-1, 69% and 49% for MCP-2, with no patients still under follow-up after 5 years in the MCP-3 group. In a multivariable analysis, completeness of cytoreduction (CC) score 2-3 and PSOGI class MCP-3 were significantly associated with lower survival. The 5-year overall survival in the palliative setting was 40% vs. 44% (MCP-1 vs. MCP-2, P>0.05) with median survival 51 vs. 53 months, respectively. Conclusions: The PSOGI classification of PMP provides a solid differentiation of prognostic groups after CRS/HIPEC treatment, but not in the palliative setting.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kirurgi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Surgery (hsv//eng)
Keyword
- Appendiceal neoplasm
- pseudomyxoma peritonei (PMP)
- hyperthermic intraperitoneal chemotherapy (HIPEC)
- cytoreductive surgery (CRS)
- pathology
Publication and Content Type
- ref (subject category)
- art (subject category)
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