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进展期远端胃癌第12组淋巴结转移的危险因素及预后分析 被引量:11

Risk factors and prognostic impact of No. 12 lymph node metastasis in cases with curable advanced distal gastric cancer
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摘要 目的分析进展期远端胃癌肝十二指肠韧带(第12组)淋巴结转移的危险因素及其对预后的影响。方法从中山大学胃癌诊治中心数据库筛选1997年1月至2010年12月接受根治术的进展期远端胃癌患者379例,其中男256例、女123例,男女比2.1:1,平均年龄57岁(21~86岁)。按有无第12组淋巴结转移分为阴性组(339例)和阳性组(40例),分析第12组淋巴结转移的危险因素及其对预后的影响。结果两组患者的性别、年龄、浸润深度、分化程度相比差异均无统计意义(均P〉0.05)。阴性、阳性组肿瘤直径≥5cm者分别占30.1%(102/339)、55.0%(22/40),淋巴结转移N3者分别占8.3%(28/339)、42.5%(17/40),第12组以外淋巴结阳性率分别为70.2%(238/339)、92.5%(37/40),远处转移率分别为10.9%(37/339)、32.5%(13/40),TNMIV期者分别占18.6%(63/339)、65.O%(26/40),Borrmann浸润型者分别占74.3%(252/339)、92.5%(37/40),非腺癌者分别占15.9%(54/339)、35.0%(14/40),血清癌胚抗原(CEA)阳性者分别占12.7%(43/339)、32.5%(13/40),差异均有统计学意义(均P〈0.01)。回归分析表明,肿瘤直径≥5cm、第12组以外淋巴结转移、远处转移、血清CEA阳性为第12组淋巴结转移的独立危险因素(OR=2.144、3.581、2.597、2.552,P=0.035、0.042、0.019、0.022)。Cox回归分析表明,第12组以外及第12组淋巴结转移、远处转移、Borrmann分型为总体患者的独立预后因素。阴性、阳性组的中位生存期分别为63.0、12.0个月,阳性组预后显著不良(P=0.000)。结论对可治愈性切除的远端胃癌,第12组淋巴结转移为其独立预后因素,对肿瘤直径≥5cm、合并第12组以外淋巴结转移、远处转移、血清CEA阳性者,应考虑彻底清扫第12组淋巴结。 Objective To explore the risk factors and prognostic impact of duodenohepatic ligamentous lymph node (No. 12 LN) metastasis in cases with curable advanced distal gastric cancer. Methods The data of 379 cases with advanced distal gastric cancer undergoing radical resection were screened from the Database of Gastric Cancer Center of Sun Yat-sen University from January 1997 to December 2010. According to No. 12 LN metastasis, they were divided into negative (n = 339 ) and positive (n = 40) groups. Their clinicopathological parameters and surgical regimens were compared. And the risk factors and prognostic impact of No. 12 LN metastasis were analyzed. Results No significant inter-group difference existed in gender, age, infiltration depth or differentiation degree ( all P 〉 0. 05 ). In negative and positive groups, the percent of tumor size i〉5 cm was 30. 1% (102/339) vs 55.0% (22/40), lymph node metastasis N3 stage 8.3% (28/339) vs 42. 5% ( 17/40), other lymph nodes except for No. 12 metastasis 70. 2% (238/339) vs 92. 5% (37/40), distal metastasis M1 10. 9% (37/339) vs 32. 5% ( 13/40), TNM stage IV 18.6% (63/339) vs 65.0% (26/40), infiltration Borrmann type 74. 3% (252/339) vs 92. 5% (37/40), non-adenocarcinoma 15.9% (54/339) vs 35.0% ( 14/40 ) and positive serum-carcinoembryonic antigen (S-CEA) 12.7 % (43/339) vs 32. 5 % ( 13/40 ). There were all with significant difference ( all P 〈 0. 01 ). Logistic regression analysis showed tumor size 〉5 cm, lymph node (except for No. 12) metastasis,distal metastasis and positive S-CEA were independent risk factors of No. 12 LN metastasis ( OR = 2. 144, 3. 581, 2. 597, 2. 552; P =0. 035, 0. 042, O. 019, O. 022 respectively). Cox regression analysis showed lymph nodes (except for No. 12 ) and No. 12 metastasis, distal metastasis and Borrmann type were independent prognostic factors for all cases. In negative and positive groups, median survival time was 63.0 versus 12.0 months with significant difference (P = O. 000). Conclusions For cases with curable advanced distal gastric cancer, No. 12 LN metastasis was an independent prognostic factor. No. 12 LN should be dissected thoroughly in cases with tumor size ≥ 5 cm, lymph nodes (except No. 12) metastasis, distal metastasis and oositive S-CEA.
出处 《中华医学杂志》 CAS CSCD 北大核心 2013年第48期3847-3851,共5页 National Medical Journal of China
关键词 胃肿瘤 淋巴结 外科手术 病理学 临床 预后 Stomach neoplasms Lymph nodes Surgical procedures, operative Pathology,clinical Prognosis
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参考文献29

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