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The Impact of Laparoscopy and Laparoscopic Ultrasonography on the Management of Pancreatic Cancer
Pinhas P. Schachter, MD;
Yona Avni, MD;
Mordechai Shimonov, MD;
Gabriela Gvirtz, MD;
Ada Rosen, MD;
Abraham Czerniak, MD
Arch Surg. 2000;135:1303-1307.
Hypothesis Laparoscopy and laparoscopic ultrasonographic (LAPUS) examinations combined with a biopsy of the pancreatic lesion contribute significantly in the determination of resectability of pancreatic cancer.
Design A prospective evaluation of the impact of laparoscopy and LAPUS on surgical decision making in patients with pancreatic cancer.
Setting A general community hospital; the department of surgery serves as referral for pancreatic surgery.
Patients During a 36-month period, 94 patients with pancreatic lesions were prospectively examined. Twenty-seven patients were found to have advanced disease. The remaining 67 patients were examined by laparoscopy and LAPUS to determine the resectability of the pancreatic tumor.
Results Laparoscopy and LAPUS contributed new, additional data in 40 patients (60%). Advanced disease was found in 30 patients, precluding curative resection. The study indicated potentially resectable tumors in 37 patients (55%), including 3 defined by conventional imaging studies as probably unresectable, and these patients were operated on with the intention of curative resection. Thirty-three patients underwent resection, and 4 (6%) were found to have nonresectable disease and form the false-positive group of the study. A summary of the results shows that the study resulted in a change of the decision regarding surgical intervention in 24 patients (36%) and avoided unnecessary laparotomies in 21 (31%). The study had a sensitivity of 100%, a specificity of 88%, and a false-positive rate of 6%. The positive predictive value of the study is 89%, and the negative predictive value is 100%.
Conclusions Although rather invasive procedures that require general anesthesia and hospitalization, laparoscopy and LAPUS significantly contribute to the staging of patients with potentially resectable pancreatic cancer, avoiding unnecessary explorative laparotomies. These procedures should be performed in all patients with potentially resectable pancreatic cancer before explorative laparotomy.
From the Departments of Surgery "A" (Drs Schachter, Shimonov, Rosen, and Czerniak), Gastroenterology (Dr Avni), and Radiology (Dr Gvirtz), E. Wolfson Medical Center, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
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