Analysis of the characteristics and outcomes of patients with pseudomyxoma peritonei of appendiceal origin treated with curative-intent surgery

Analysis of the characteristics and outcomes of patients with pseudomyxoma peritonei of appendiceal origin treated with curative-intent surgery

There are no previous studies on pseudomyxoma peritonei regarding the details of surgical procedures included in cytoreductive surgery and quantitative evaluation for peritoneal metastases by region in the abdominal cavity. This study aimed to describe the characteristics and procedural details invo...

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Veröffentlicht in:Surgical oncology 2023-12, Vol.51, p.102012-102012, Article 102012
Hauptverfasser: Kamada, Yasuyuki, Hida, Koya, Yonemura, Yutaka, Nakakura, Akiyoshi, Kitai, Toshiyuki, Mizumoto, Akiyoshi, Yoshida, Shinya, Tokoro, Yukinari, Obama, Kazutaka
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container_end_page 102012
container_issue
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container_title Surgical oncology
container_volume 51
creator Kamada, Yasuyuki
Hida, Koya
Yonemura, Yutaka
Nakakura, Akiyoshi
Kitai, Toshiyuki
Mizumoto, Akiyoshi
Yoshida, Shinya
Tokoro, Yukinari
Obama, Kazutaka
description There are no previous studies on pseudomyxoma peritonei regarding the details of surgical procedures included in cytoreductive surgery and quantitative evaluation for peritoneal metastases by region in the abdominal cavity. This study aimed to describe the characteristics and procedural details involved in cytoreductive surgery, and survival outcomes of patients with pseudomyxoma peritonei originating from appendiceal mucinous neoplasm, and identify differences in the difficulty of cytoreductive surgery based on tumor location. Patient characteristics and survival outcomes were studied through a retrospective review. The complete cytoreduction rate (i), the 5-year survival rate for patients with complete cytoreduction (ii), and an index as a complement (i × ii × 100) were described for patients who had tumors larger than 50 mm in one of the 13 regions of the abdominal cavity. A total of 989 patients were treated with curative-intent cytoreductive surgery. The median peritoneal cancer index was 18 (interquartile range, 6-29), with complete cytoreduction achieved in 702 patients (71%); the major complication rate was 17%. The median overall survival was 92.9 months, compared to 53.8 months for patients who underwent total gastrectomy and 30.4 months for those who underwent total colectomy. In the 13 abdominal regions, the index scores indicating cytoreduction difficulty were categorized into three risk groups: upper and mid-abdominal (>20), lateral abdominal (10-20), and small bowel (
doi_str_mv 10.1016/j.suronc.2023.102012
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title Analysis of the characteristics and outcomes of patients with pseudomyxoma peritonei of appendiceal origin treated with curative-intent surgery
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