Observational studyWorld journal of surgical oncology2025
Is the tail of the pancreas always tumor-infiltrated when macroscopically affected during cytoreductive surgery? A clinicopathological study and experience from a high-volume center.
Observational study in World journal of surgical oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
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Who cites it
1 citing paper in PubMed, 1 synthesis or guideline pooled it.
- Hyperthermic intraperitoneal chemotherapy in ovarian cancer: a comprehensive review.Frontiers in oncology · 2025Pooled it
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Authors and funding
5 authors.
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Abstract
backgroundDistal pancreatic resection during cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) is rare, with limited knowledge available. Therefore, a retrospective observational study was conducted using the data registry of a single institution to identify patients that underwent distal pancreatic resection during CRS + HIPEC.
methodsAll resected pancreatic specimens were examined for invasive parenchymal tumor infiltration. Pre-, peri-, and postoperative variables and their associations were analyzed.
resultsOver a period of more than a decade, 31 of 1275 patients (2.43%) underwent distal pancreatic resection as part of CRS. Infiltration of the pancreatic parenchyma was confirmed in almost one-third (29.03%) of the cases. Postoperative pancreatic fistulas occurred in 25.81% of patients (87.5% Grade B; 12.5% Grade C). The need for distal pancreatic resection was closely related to tumor burden in the left upper abdomen, with 87% of patients requiring peritonectomy of the left upper abdomen in addition to visceral resection. Pancreatic infiltration (n = 9/31) was diagnosed in 3 cases of gastric carcinoma, 2 cases of colorectal carcinoma, 2 cases of primary peritoneal carcinoma, 1 case of ovarian carcinoma, and 1 case of mucinous appendiceal carcinoma. Postoperative pancreatic fistulas were more frequently associated with primary tumors of the large intestine (87.50% vs. 30.43%; P = 0.0094), and a tendentiously longer total hospital stay was required for the "with pancreatic fistula" group (32.50 ± 19.93 days vs. 21.78 ± 10.14 days), with no impact on patient survival.
conclusionsAccepting a slightly increased morbidity, distal pancreatic resection is a reasonable approach to achieve complete macroscopic tumor resection. Nonetheless, our study shows that apparent tumor invasion is histologically rare in cases with favorable tumor biology, such as low-grade pseudomyxoma peritonei. Therefore, pancreatic resection should be avoided in cases of mucinous tumors to prevent fistula formation.
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