Dedifferentiated liposarcoma is a variant of liposarcoma with a more aggressive course. It occurs most commonly in the retroperitoneum and rarely in other anatomic locations. In the present report, we describe a case ...Dedifferentiated liposarcoma is a variant of liposarcoma with a more aggressive course. It occurs most commonly in the retroperitoneum and rarely in other anatomic locations. In the present report, we describe a case of dedifferentiated liposarcoma that occurred in an unusual location, sigmoid mesocolon, which has not yet been documented.展开更多
Persistent ascending or descending mesocolon is an embryological anomaly that occurs during the final process of intestinal development in organogenesis.Specifically,the primitive dorsal mesocolon fails to fuse with t...Persistent ascending or descending mesocolon is an embryological anomaly that occurs during the final process of intestinal development in organogenesis.Specifically,the primitive dorsal mesocolon fails to fuse with the parietal peritoneum in the fifth month of gestation.Herein,we describe a case of ascending colon cancer with persistent ascending and descending mesocolon treated by laparoscopic right hemicolectomy.Preoperative computed tomography imaging of the abdomen demonstrated that the descending colon shifted at the midline of the abdomen and the sigmoid colon was located under the ascending colon.The detailed preoperative imaging examination revealed malpositioning of the large intestine and aided in the procedural planning.Because persistent mesocolon may result in the formation of abnormal adhesions,an accurate preoperative diagnosis is essential.We propose that it is important to consider this anomaly when making the preoperative imaging diagnosis to ensure a safe operation.展开更多
目的探讨完整肠系膜切除在结肠癌手术中的应用效果,为结肠癌患者的治疗提供依据。方法选取结肠癌患者132例,按手术方式分为观察组(n=69)和对照组(n=63)。观察组采用完整结肠肠系膜切除术,对照组采用常规的手术切除治疗,观察患者临床各...目的探讨完整肠系膜切除在结肠癌手术中的应用效果,为结肠癌患者的治疗提供依据。方法选取结肠癌患者132例,按手术方式分为观察组(n=69)和对照组(n=63)。观察组采用完整结肠肠系膜切除术,对照组采用常规的手术切除治疗,观察患者临床各个指标的变化、短期疗效、并发症发生率及远期生存率的比较和分析。结果观察组显效27例、有效29例、无效13例,总有效率为81.16%;对照组显效16例、有效19例、无效28例,总有效率为55.56%;2组患者治疗后总有效率相比,差异有统计学意义(P<0.05)。观察组术后出血167 m L、术后清点淋巴结数目有34枚,而对照组术后出血461 m L,清除淋巴数目为13枚,差异有统计学意义(P<0.05);观察组患者术后感染2例(2.90%)、残端肿瘤残余2例(2.90%),而对照组患者术后感染4例(6.35%)、吻合口瘘4例(6.35%)、残端肿瘤残余9例(14.29%),差异均有统计学意义(P<0.05);观察组患者3年后生存率73.91%,局部复发率为4.35%,显著优于对照组的65.08%和28.57%,差异有统计学意义(P<0.05)。结论采用完整结肠系膜切除的手术方法可最大化的切除病灶、清扫淋巴结,在提高患者存活率、降低术后并发症发生率和复发率上显著优于常规的结肠根治术。展开更多
文摘Dedifferentiated liposarcoma is a variant of liposarcoma with a more aggressive course. It occurs most commonly in the retroperitoneum and rarely in other anatomic locations. In the present report, we describe a case of dedifferentiated liposarcoma that occurred in an unusual location, sigmoid mesocolon, which has not yet been documented.
文摘Persistent ascending or descending mesocolon is an embryological anomaly that occurs during the final process of intestinal development in organogenesis.Specifically,the primitive dorsal mesocolon fails to fuse with the parietal peritoneum in the fifth month of gestation.Herein,we describe a case of ascending colon cancer with persistent ascending and descending mesocolon treated by laparoscopic right hemicolectomy.Preoperative computed tomography imaging of the abdomen demonstrated that the descending colon shifted at the midline of the abdomen and the sigmoid colon was located under the ascending colon.The detailed preoperative imaging examination revealed malpositioning of the large intestine and aided in the procedural planning.Because persistent mesocolon may result in the formation of abnormal adhesions,an accurate preoperative diagnosis is essential.We propose that it is important to consider this anomaly when making the preoperative imaging diagnosis to ensure a safe operation.
文摘目的探讨完整肠系膜切除在结肠癌手术中的应用效果,为结肠癌患者的治疗提供依据。方法选取结肠癌患者132例,按手术方式分为观察组(n=69)和对照组(n=63)。观察组采用完整结肠肠系膜切除术,对照组采用常规的手术切除治疗,观察患者临床各个指标的变化、短期疗效、并发症发生率及远期生存率的比较和分析。结果观察组显效27例、有效29例、无效13例,总有效率为81.16%;对照组显效16例、有效19例、无效28例,总有效率为55.56%;2组患者治疗后总有效率相比,差异有统计学意义(P<0.05)。观察组术后出血167 m L、术后清点淋巴结数目有34枚,而对照组术后出血461 m L,清除淋巴数目为13枚,差异有统计学意义(P<0.05);观察组患者术后感染2例(2.90%)、残端肿瘤残余2例(2.90%),而对照组患者术后感染4例(6.35%)、吻合口瘘4例(6.35%)、残端肿瘤残余9例(14.29%),差异均有统计学意义(P<0.05);观察组患者3年后生存率73.91%,局部复发率为4.35%,显著优于对照组的65.08%和28.57%,差异有统计学意义(P<0.05)。结论采用完整结肠系膜切除的手术方法可最大化的切除病灶、清扫淋巴结,在提高患者存活率、降低术后并发症发生率和复发率上显著优于常规的结肠根治术。
