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Second-look Surgery for Appendiceal High Grade and Colorectal Cancers Following Cytoreductive Surgery (CRS) and
Mohammad Breakeit1, Daniel Liu2, Adrian Cheng2
1Department of Surgery, St George Hospital, Sydney, NSW, Australia; Mohammad.Breakeit@health.nsw.gov.au.
Background/Aim:
Up to a third of patients undergoing cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) for peritoneal carcinomatosis (PC) of appendiceal or colorectal origin receive a stoma during primary surgery. Stoma reversal provides an opportunity for second-look surgery.
Patients And Methods:
We performed a retrospective analysis of prospectively collected data of patients with colorectal cancer (CRC) or high-grade appendiceal cancer (AC) from 2006 to 2021 from our database. A total of 34 consecutive stoma closure patients with no evidence of preoperative disease recurrence (tumor markers and CT scans) were compared with 141 consecutive re-do CRS/HIPEC patients with known recurrence.
Results:
Eleven patients (32.4%) were identified to have peritoneal recurrence at stoma closure. Time between first and second CRS was 12 months (4 to 64.2) in the stoma closure group vs. 24.6 months (5.8 to 119.8) in the re-do group, while median peritoneal cancer index (PCI) was 4 (3 to 6) vs. 8 (1 to 39), respectively (p=0.0143).
Conclusion:
Second-look laparotomy during stoma closure identified unexpected PC in 32.4% of our patients with significantly lower PCI than planned re-do operations.
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