American journal of surgery · 2009
The ratio between metastatic and examined lymph nodes is an independent prognostic factor for patients with resectable middle and distal bile duct carcinoma.
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История · было → стало
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Kawai Manabu, Tani Masaji, Kobayashi Yasuhito, Tsuji Takeshi, Tabuse Katsuyoshi, Horiuchi Tetsuya, Oka Masami, Yamaguchi Kazuya, Sakata Yoshifumi, Shimomura Tomoo, Yamaue Hiroki
Аннотация
BACKGROUND: The lymph node ratio, defined as the ratio between the number of lymph node metastasis and the total number of lymph nodes examined, has been reported to be an important prognostic factor in other gastrointestinal carcinomas except middle and distal bile duct carcinomas.
METHODS: Between 1991 and 2004, 62 consecutive patients who underwent surgery for middle and distal bile duct carcinoma were retrospectively analyzed concerning prognostic factors.
RESULTS: The median number of lymph nodes examined was 12 (range 5 to 38). The overall 5-year survival rates of patients with lymph node ratio of 0, lymph node ratio of 0 to .2, and lymph node ratio >.2 were 62%, 41%, and 0%, respectively. A multivariate analysis revealed that a lymph node ratio >.2 and perineural invasion were independent predictive factors for survival.
CONCLUSIONS: Lymph node ratio >.2 is an important factor to predict survival after resected middle and distal bile duct carcinoma.
METHODS: Between 1991 and 2004, 62 consecutive patients who underwent surgery for middle and distal bile duct carcinoma were retrospectively analyzed concerning prognostic factors.
RESULTS: The median number of lymph nodes examined was 12 (range 5 to 38). The overall 5-year survival rates of patients with lymph node ratio of 0, lymph node ratio of 0 to .2, and lymph node ratio >.2 were 62%, 41%, and 0%, respectively. A multivariate analysis revealed that a lymph node ratio >.2 and perineural invasion were independent predictive factors for survival.
CONCLUSIONS: Lymph node ratio >.2 is an important factor to predict survival after resected middle and distal bile duct carcinoma.
Предметные рубрики MeSH
Actuarial AnalysisAdultAgedAxillaBile Duct NeoplasmsBiliary Tract Surgical ProceduresCarcinomaCarcinoma, Pancreatic DuctalFemaleHumansLymph NodesLymphatic MetastasisMiddle AgedNeoplasm StagingOdds RatioPancreatic NeoplasmsPancreaticoduodenectomyPredictive Value of TestsPrognosisRisk AssessmentRisk FactorsSurvival AnalysisSurvival Rate