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Erschienen in:

07.09.2024 | Colorectal Cancer

Differences in Prognosis and Recurrence Patterns Between Ulcerative Colitis-Associated Colorectal Cancer and Sporadic Colorectal Cancer: A Matched-Pair Analysis

verfasst von: Kei Kobayashi, MD, Kenichiro Toritani, MD, PhD, Hideaki Kimura, MD, PhD, Jun Kawashima, MD, Koki Goto, MD, PhD, Yusuke Suwa, MD, PhD, Mayumi Ozawa, MD, PhD, Asushi Ishibe, MD, PhD, Jun Watanabe, MD, PhD, Itaru Endo, MD, PhD

Erschienen in: Annals of Surgical Oncology | Ausgabe 12/2024

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Abstract

Background

Clinicopathological differences exist between ulcerative colitis-associated colorectal cancer (UC-CRC) and sporadic colorectal cancer (S-CRC). However, differences in the prognosis remain controversial, and the reason for these differences remains unclear. We therefore assessed the differences between patients with UC-CRC and S-CRC.

Patients and Methods

This was a matched-pair analysis of the clinicopathological characteristics and prognosis of patients with UC-CRC and S-CRC who underwent colorectal resection between January 2000 and December 2021 at two institutions. Patients were matched according to age, sex, date of surgery, tumor location, and Union for International Cancer Control (UICC) stage.

Results

A total of 5992 patients underwent surgery for CRC at the two institutions, and 288 patients (48 with UC-CRC and 240 with S-CRC) were matched in this study. Patients with UC-CRC underwent more invasive surgery and had a longer operative time than those with S-CRC, but there was no marked difference in postoperative complications or perioperative mortality. Long-term outcomes showed a similar 5-year overall survival (OS) for UC-CRC and S-CRC (86.5% versus 88.8%, p = 0.742); however, in stage 3 patients, patients with UC-CRC had a poorer 5-year OS than those with S-CRC (51.4% versus 83.8%, p = 0.032). The first recurrence sites in stage 3 UC-CRC were peritoneal dissemination followed by the bones, while those in S-CRC were the liver and pulmonary system.

Conclusions

Despite no significant differences in surgical outcomes, patients with UC-CRC had a poorer prognosis than those with S-CRC at stage 3. The recurrence patterns in UC-CRC differed from those in S-CRC, suggesting a possible prognostic difference.
Literatur
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Metadaten
Titel
Differences in Prognosis and Recurrence Patterns Between Ulcerative Colitis-Associated Colorectal Cancer and Sporadic Colorectal Cancer: A Matched-Pair Analysis
verfasst von
Kei Kobayashi, MD
Kenichiro Toritani, MD, PhD
Hideaki Kimura, MD, PhD
Jun Kawashima, MD
Koki Goto, MD, PhD
Yusuke Suwa, MD, PhD
Mayumi Ozawa, MD, PhD
Asushi Ishibe, MD, PhD
Jun Watanabe, MD, PhD
Itaru Endo, MD, PhD
Publikationsdatum
07.09.2024
Verlag
Springer International Publishing
Erschienen in
Annals of Surgical Oncology / Ausgabe 12/2024
Print ISSN: 1068-9265
Elektronische ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-024-16158-z

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