Objective To explore the clinical value and experience of ultrasound guided combined with laparoscopic microwave ablation in treatment for special site liver cancer．Methods The clinical data of 9 patients with liver cancer treated by ultrasound guided combined with laparoscopic microwave ablation in our hospital from February 2008 to October 2010 were analyzed retrospectively．Results There were 6 cases of primary liver cancer， 3 cases of metastatic hepatic carcinoma. Eight cases of multiple tumors， 1 case of single tumor．There were one or more lesions invading liver capsular，a total of 13 lesions in all the patients． Among them，6 lesions located in diaphragm， 3 closed to bowel， 2 neared stomach，1 located in gallbladder bed and 1 in hilar．No serious complications and no death happened during operation．The following-up time was （9.2±4.7） months （4 to 18 months）， there were 2 lesions of part residual， including 1 case of microwave ablation again，1 case of percutaneous ethanol ablation， and 11 lesions of complete ablation （84.6%，11/13） 1 month after operation by CT examination．Four cases recurred 3 months after operation by CT examination， including 2 cases of microwave ablation again，1 case of percutaneous ethanol ablation，1 patient with pulmonary metastasis and giving up treatment，1 patient with poor liver function and died of liver failure 6 months after operation；1 patient with multiple lesions died of brain metastases 10 months after operation； the rest were still alive．Conclusions Ultrasound guided combined with laparoscopic microwave ablation is a safe and effective method in the treatment for special site liver cancer，the curative effect is good and worth of spread．
目的探讨超声引导下经皮经肝胆囊穿刺引流术（PTGD）联合二期腹腔镜胆囊切除术（LC）治疗急性胆囊炎的安全性和可行性。 方法回顾性分析我院2008年7月至2013年7月期间对急性胆囊炎先行PTGD后二期LC的117例患者的临床资料。 结果本组117患者PTGD术后均成功实施二期LC，PTGD术顺利，无并发症发生，PTGD管平均留置时间27.4 d（21～31 d）。LC采用单孔法33例，三孔法84例，全部病例均治愈。手术平均时间为48.5 min（32～92 min），腹腔引流管拔除平均时间为2.3 d（2～4 d）。无中转开腹者，无胆管损伤、出血、胆汁漏等并发症发生。病理结果为急性胆囊炎。本组随访患者无术后并发症。 结论超声引导下PTGD联合二期LC治疗急性胆囊炎安全、有效。
目的 总结经脐单切口腹腔镜阑尾切除术的技术要点。方法 回顾性分析2012年1月至12月期间中国医科大学附属第四医院收治并行经脐单切口腹腔镜阑尾切除术的55例阑尾炎患者的临床资料。结果 54例患者手术均获成功，1例患者因腹膜后阑尾而中转为3孔法。手术时间为（40.6±12.3） min （35～90min），住院时间为（4.5±1.3） d （3～6d），住院费用为（1.2±0.3）万元（0.8～1.5万元），术后均无并发症发生。术后49例患者获访，随访时间为1～6个月，平均4.8个月。术后患者均恢复良好，脐部瘢痕不明显，美容效果较满意。结论 采用通用器械行经脐单切口腹腔镜阑尾切除术安全、可行，美容效果较佳。
目的 探讨自制双套管持续冲洗负压引流治疗胰腺术后胰瘘的效果。 方法 回顾性分析2008 年 8 月至2014 年3 月期间于笔者所在医院接受自制双套管持续冲洗负压引流治疗的12 例胰瘘患者的临床资料，总 结效果。 结果 12 例患者均接受双套管持续冲洗负压引流治疗，治疗期间引流管若有堵塞，可拔出体外清理。所 有患者均于拔管后治愈。更换双套管早期（1 ～ 3 d）患者发热等感染症状明显缓解，引流10 ～ 22 d 后引流量逐渐 减少。出院后所有患者均获访6 个月，患者恢复良好，胰瘘部位包裹吸收，无并发症发生。 结论 自制双套管持续 冲洗负压引流治疗胰腺术后胰瘘的效果满意，安全可行。
ObjectiveTo investigate the proportion of peripheral blood CD4+CD25+ regulatory T cells (Tregs) in patients with pancreatic head carcinoma, the dynamic changes of these cells before and after pancreatoduodenectomy were also analyzed. MethodsThe proportions of peripheral blood CD4+CD25+ Tregs in patients with pancreatic head carcinoma and normal individuals were examined by using flow cytometric analysis. The CD4+/CD8+ ratio was also studied before and after operation. ResultsThe patients with pancreatic head carcinoma showed higher ratio of CD4+CD25+ and CD4+CD25high Tregs compared with normal control before operation (Plt;0.05). However, the percentage of these T cells reduced significantly after pancreatoduodenectomy, which was most obviously on the 3rd day after operation (Plt;0.01, Plt;0.05). After operation, CA199 level began to decrease, which was obvious on the fourteen day after operation. This tendency of CD4+CD25high Tregs changes was similar to that of CA199. The patients showed an decreased ratios of CD4+/CD8+ compared with normal controls, which further declined after operation, and reached the lowest point on the seventh day after operation (Plt;0.05). ConclusionsPancreatoduodenectomy may be helpful for the recovery of antitumor immunity. The perioperative period of patients with pancreatic head carcinoma may be a beneficial windowphase for immune intervention and Tregs may be served as target cells.