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肿瘤距肛缘距离对直肠癌患者根治性切除术后临床管理和结局的影响。

The Impact of Tumour Distance From the Anal Verge on Clinical Management and Outcomes in Patients Having a Curative Resection for Rectal Cancer.

机构信息

The John Goligher Unit of Coloproctology, St. James's Hospital, Leeds, LS9 7TF, UK.

Department of Pathology, St James's Hospital, Leeds, LS9 7TF, UK.

出版信息

J Gastrointest Surg. 2017 Dec;21(12):2056-2065. doi: 10.1007/s11605-017-3581-0. Epub 2017 Sep 18.


DOI:10.1007/s11605-017-3581-0
PMID:28924962
Abstract

AIM: The clinico-oncological significance of the distance of rectal cancer from the anal verge is unclear and not well reported. The aim of this study is to assess the influence of the rectal cancer distance from the anal verge on clinical management and long-term outcomes after curative resection in a specialised colorectal cancer unit. METHODS: Prospectively collected data on patients who underwent primary rectal cancer treatment at our unit between January 2005 and December 2010 were analysed. Low rectal cancer (LRC) was defined as tumour < 5 cm from the anal verge on MRI scan. Recurrent cancer, palliative resections, perforated tumours and those requiring total pelvic exenteration were excluded. RESULTS: Three hundred fifty-nine patients underwent surgery for rectal cancer (226 male/133 female). Of these, 149 (41.5%) patients had low rectal cancer (LRC). Compared to patients with mid/upper rectal cancer (M/URC), patients with low rectal cancers were significantly more likely to receive neo-adjuvant therapy (75.2 vs 38%; p < 0.001), to be associated with lower rate of restorative surgery (15.4 vs 79%; p < 0.001) and to have higher rates of pathological positive circumferential resection margin involvement (14.1 vs 7.1%; p = 0.047). There were however no significant difference in the rates of recurrent disease or survival among the two groups. CONCLUSION: Distance of rectal cancer from the anal verge does influence the use of neo-adjuvant treatment and ultimate R0 resection rate. It does not influence loco-regional or systemic recurrence rates.

摘要

目的:直肠癌距肛缘的临床肿瘤学意义尚不清楚,也没有很好的报道。本研究旨在评估在一个专门的结直肠癌中心,直肠癌距肛缘的距离对根治性切除术后的临床管理和长期结果的影响。

方法:对 2005 年 1 月至 2010 年 12 月在我们科室接受原发性直肠癌治疗的患者的前瞻性收集的数据进行了分析。低位直肠癌(LRC)定义为 MRI 扫描时肿瘤距肛缘<5cm。排除复发性癌症、姑息性切除术、穿孔肿瘤和需要全盆腔切除术的患者。

结果:359 例患者接受了直肠癌手术(226 例男性/133 例女性)。其中,149 例(41.5%)患者患有低位直肠癌(LRC)。与中/高位直肠癌(M/URC)患者相比,低位直肠癌患者更有可能接受新辅助治疗(75.2%比 38%;p<0.001),保肛手术的比例较低(15.4%比 79%;p<0.001),且病理阳性环周切缘受累的比例较高(14.1%比 7.1%;p=0.047)。然而,两组之间的疾病复发率或生存率没有显著差异。

结论:直肠癌距肛缘的距离确实影响新辅助治疗的应用和最终的 R0 切除率。它不影响局部或全身复发率。

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[5]
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[6]
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[7]
The risk factors of local recurrence and distant metastasis on pT1/T2N0 mid-low rectal cancer after total mesorectal excision.

World J Surg Oncol. 2021-4-13

[8]
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Sci Rep. 2021-1-13

[9]
Can Post-Treatment MRI Features Predict Pathological Circumferential Resection Margin (pCRM) Involvement in Low Rectal Tumors.

Indian J Surg Oncol. 2020-12

[10]
Measurement of rectal tumor height from the anal verge on MRI: a comparison of internal versus external anal sphincter.

Abdom Radiol (NY). 2021-3

本文引用的文献

[1]
Does rectal cancer height influence the oncological outcome?

Colorectal Dis. 2014-10

[2]
Rectal cancer level significantly affects rates and patterns of distant metastases among rectal cancer patients post curative-intent surgery without neoadjuvant therapy.

World J Surg Oncol. 2014-6-30

[3]
Defining the volume-quality debate: is it the surgeon, the center, or the training?

Clin Colon Rectal Surg. 2007-8

[4]
Patients with low rectal cancer treated by abdominoperineal excision have worse tumors and higher involved margin rates compared with patients treated by anterior resection.

Dis Colon Rectum. 2010-1

[5]
Examination of outcome following abdominoperineal resection for adenocarcinoma in Oxford.

Colorectal Dis. 2010-12

[6]
What is the role for the circumferential margin in the modern treatment of rectal cancer?

J Clin Oncol. 2008-1-10

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Relation of surgeon and hospital volume to processes and outcomes of colorectal cancer surgery.

Ann Surg. 2006-12

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The modern abdominoperineal excision: the next challenge after total mesorectal excision.

Ann Surg. 2005-7

[9]
Total mesorectal excision for middle and lower rectal cancer: a single institution experience with 337 consecutive patients.

J Surg Oncol. 2004-6-1

[10]
Oncological outcomes after total mesorectal excision for cure for cancer of the lower rectum: anterior vs. abdominoperineal resection.

Dis Colon Rectum. 2004-1

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