Gastro hep advances · 2022
Pancreatic Cancer is More Frequently Early Stage at Diagnosis in Surgically Resected Intraductal Papillary Mucinous Neoplasms With Preoperative Surveillance.
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de la Fuente Jaime, Lui Jacob, Lennon Ryan J, Chatterjee Arjun, Graham Rondell P, Zhang Lizhi, Kendrick Michael L, Truty Mark J, Cleary Sean P, Smoot Rory L, Nagorney David M, Gleeson Ferga C, Levy Michael J, Chandrasekhara Vinay, Pearson Randall K, Petersen Bret T, Vege Santhi S, Chari Suresh T, Majumder Shounak
Аннотация
BACKGROUND AND AIMS: Management of intraductal papillary mucinous neoplasms (IPMNs) relies on clinical and imaging features to select patients for either pancreatectomy or periodic image-based surveillance. We aimed to compare outcomes in patients with IPMNs who underwent surgery at diagnosis with those who underwent surgery after a period of surveillance and identify preoperative clinical and imaging features associated with advanced neoplasia.
METHODS: Patients with surgically resected IPMN (n = 450) were divided into 2 groups: "immediate surgery": resection within 6 months of IPMN detection, and "surveillance surgery": resection after surveillance >6 months. Survival was analyzed with Kaplan-Meier estimates and Cox proportional hazard models.
RESULTS: Pancreatic cancers in the surveillance surgery group (n = 135) was more frequently stage I compared with the immediate surgery group (9/13, 69.2% vs 41/110, 37.3%; P = .027). Among Fukuoka "worrisome features," only main pancreatic duct dilation 5-9 mm (odds ratio [OR] = 3.12, 95% confidence interval [CI]: 1.72-5.68; P < .001) and serum CA 19-9≥ 35 U/mL (OR = 2.82, 95% CI: 1.31-6.06; P = .008) were significantly associated with advanced neoplasia. In addition, smoking history was associated with increased risk of advanced neoplasia (OR = 2.05, 95% CI: 1.23-3.43). Occurrence of future cancer was 16-fold higher in IPMN with high-grade dysplasia when compared with low-grade dysplasia (hazard ratio: 16.5; 95% CI: 4.19-64.7).
CONCLUSION: Surveillance-detected pancreatic cancers in patients with IPMNs are more frequently stage I, and IPMN-HGD on surgical pathology is associated with significant risk of future pancreatic cancer. In addition to known "high-risk" features, main pancreatic duct dilation 5-9 mm, CA 19-9 elevation, and smoking history are significantly associated with advanced neoplasia.
METHODS: Patients with surgically resected IPMN (n = 450) were divided into 2 groups: "immediate surgery": resection within 6 months of IPMN detection, and "surveillance surgery": resection after surveillance >6 months. Survival was analyzed with Kaplan-Meier estimates and Cox proportional hazard models.
RESULTS: Pancreatic cancers in the surveillance surgery group (n = 135) was more frequently stage I compared with the immediate surgery group (9/13, 69.2% vs 41/110, 37.3%; P = .027). Among Fukuoka "worrisome features," only main pancreatic duct dilation 5-9 mm (odds ratio [OR] = 3.12, 95% confidence interval [CI]: 1.72-5.68; P < .001) and serum CA 19-9≥ 35 U/mL (OR = 2.82, 95% CI: 1.31-6.06; P = .008) were significantly associated with advanced neoplasia. In addition, smoking history was associated with increased risk of advanced neoplasia (OR = 2.05, 95% CI: 1.23-3.43). Occurrence of future cancer was 16-fold higher in IPMN with high-grade dysplasia when compared with low-grade dysplasia (hazard ratio: 16.5; 95% CI: 4.19-64.7).
CONCLUSION: Surveillance-detected pancreatic cancers in patients with IPMNs are more frequently stage I, and IPMN-HGD on surgical pathology is associated with significant risk of future pancreatic cancer. In addition to known "high-risk" features, main pancreatic duct dilation 5-9 mm, CA 19-9 elevation, and smoking history are significantly associated with advanced neoplasia.