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Comparison of Clinical Outcome in Para-aortic Lymph Node Dissection (PALD) and D2 for Advanced Gastric Cancer
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Chan Dong Kim, Dae Hyun Yang, Ik Haeng Jo, Jin Pok Kim, Won Jin Choi, Il Myung Kim, Jin Youn, Sang Su Park, Byung Ook Yoo, Seung Ik Ahn, Sin Eun Choi
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J Korean Cancer Assoc. 2000;32(5):844-851.
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 Abstract
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- PURPOSE
We compared the clinical results of paraaortic lymph node dissection (PALD) with those of D2 to evaluate the survival gain and disadvantage of paraaortic lymph node dissection for advanced gastric cancer.
MATERIALS AND METHODS
We analysed the clinical data of 196 patients who underwent curative resection and D2 with or without paraaortic lymph node dissection (PALD or D2) for advanced gastric cancer from May 1990 to June 1999. The operative factors (operative time, the amounts of intraoperative transfusion and hospital stay), operative morbidity and mortality and 5 year survival rates were compared between D2 and PALD groups.
RESULTS
The operative time of subtotal gastrectomy was significantly longer in PALD group than D2 group. The operative morbidity rates were 9.2% in D2 group and 10.3% in PALD group.
There were 3 operative mortalities in D2 group and none in PALD group. The 5 year survival rates (5YSR's) of stage IB, II, IIIA, IIIB, IV were 88.9%, 92.3%, 30.2%, 24.2%, 28.9% in D2 group and 93.3%, 75.5%, 61.0%, 0%, 0% in PALD group.
CONCLUSION
The paraaortic lymph node dissection was a rather safe procedure without significant increase of morbidity and mortality. There was no statistically significant difference in survival in any stage of this retrospective study with limited cases and follow-ups.
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Clinical Results of Para-aortic Lymph Node Dissection in Advanced Gastric Cancer
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Ik Haeng Jo, Dae Hyun Yang, Jin Pok Kim, Won Jin Choi, Il Myung Kim, Jin Youn, Sang Su Park, Byung Ook Yoo, Seung Ik Ahn, Shin Eun Choi
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J Korean Cancer Assoc. 1999;31(1):31-42.
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Abstract
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- PURPOSE
In gastric cancer, metastasis to the paraaortic lymph nodes had been regarded as an incurable factor, but many cases of long term survival have been reported with dissection of metastatic paraaortic nodes. And several reports suggested survival benefit with paraaortic lymph node dissection (D4) in advanced gastric cancer. In patients with advanced gastric cancer who underwent paraaortic lymph node dissection we tried to evaluate the factors predisposing metastasis in these nodes and survival data.
MATERIALS AND METHODS
The authors analyzed retrospectively pathological features of 95 patients who underwent paraaortic lymph node dissection for advanced gastric cancer at Kangnam General Hospital Public Corporation from May 1991 to Feb. 1998. And we also analysed survival results of 72 cases among them. We excluded 18 cases of distant metastasis (3 liver metastasis, 15 peritoneal seeding), 2 operative mortalities, 1 other disease mortality, and 2 unknown causes of death in survival analysis.
RESULTS
The frequencies of paraaortic lymph node metastasis were 0.0% (0 of 32 cases) in T2, 19.2% (10 of 52 cases) in T3, 18.2% (2 of 11 cases) in T4. And those of paraaortic lymph node metastasis were 5.8% (3 of 52 cases) in antrum, 14.3% (3 fo 21 cases) in body, 20.0% (3 of 15 cases) in cardia, and 42.9% (3 of 7 cases) in whole area. The five-year survival rates (5 YSR's) in relation to the paraaortic lymph node (No16) status was 0.0% in No16 , and 57.8% in No16 with D4 of advanced gastric cancer. The 5 YSR's were 78.1%, 40.8% and 0% in T2, T3 and T4, respectively and 93.8%, 64.2%, 24.2% and 0.0% in n0, n1, n2 and n3, respectively and 88.9%, 80.5%, 57.9% and 0.0% (47.6%) and 0.0% in stage IB, II, IIIA, IIIB and IV, respectively.
CONCLUSION
The depth of gastric wall invasion and the location of primary tumor were significant predisposing factors to para-aortic lymph node metastasis in multivariate analysis (p<0.05). Survival of No16 metastasis was very poor. And three factors of T stage, n stage, and Borrmann type were also prognostically significant in terms of five year survival in cases of D4 of advanced gastric cancer in multivariate analysis (p<0.05).
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KCA
