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  • Title: Significance of lymph node metastases in the surgical management of pancreatic head carcinoma.
    Author: Benassai G, Mastrorilli M, Mosella F, Mosella G.
    Journal: J Exp Clin Cancer Res; 1999 Mar; 18(1):23-8. PubMed ID: 10374672.
    Abstract:
    Recent reports have demonstrated a reduction in the morbidity and mortality of pancreatic resections and improvement in the 5-actuarial survival for patients with resected ductal adenocarcinoma. However, the prognosis for patients with lymph node metastases remains uncertain. The purpose of this study is to determine if the presence of lymph node metastases influences the survival in patients with otherwise potentially curable pancreatic head carcinoma. Between January 1974 and December 1995, 340 patients with pancreatic carcinoma, including 238 patients with pancreatic head tumours, were evaluated and treated in our Department. Seventy-seven (32.3%) patients with pancreatic head carcinoma underwent pancreaticoduodenectomy. Ages ranged from 40 to 76 years, with a mean age of 61 years. Fifty patients were male, twenty-seven were female. The overall postoperative mortality rate was 5.2% (4 patients) and morbidity was 23.4%. Median survival following resection was 17 months (range 0 to 79). The estimated 1-, 2-, 3- and 5-year survival were 68.8%, 48.1%, 23.4% and 18.2%, respectively. There were 14 five-year survivors. Of the 77 patients, 25 (32.5%) had negative lymph nodes. The median and 5-year survival in these node-negative patients were 33 months (range 5 to 79) and 40%, respectively. Whereas the median survival and 5-year survival in 52 patients with lymph nodes metastases were 14 months (range 0 to 61) and 7.7%, respectively (P<0.0001). There were 4 five-year survivors in the group of patients with lymph node metastases; in 2 patients was performed extensive lymph node dissection (R2) and in other 2 patients R1 procedure. In the patients with lymph node metastases undergoing R1 resection (n = 39), the 1-, 2- and 5-year survival rates were 48.7%, 23.1% and 5.1%, respectively. Whereas in the patients with positive lymph nodes undergoing R2 resection (n = 14), the 1-, 2- and 5-year survival rates were 92.9%, 64.3% and 14.3%, respectively (P<0.02). As expected, tumour size and margin status in specimen proved to be two significant factors predicting survival. Pancreatoduodenectomy can be performed with low operative mortality. Lymph nodes metastases are found in 67.5% of patient undergoing resection. Pancreaticoduodenectomy offers good palliation for patients with lymph nodes metastases and encouraging long-term survival rates as well as a chance for cure in patients with negative lymph nodes and negative margins of resection.
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