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題 名 | Is Neoadjuvant Chemoradiotherapy Necessary for the Patient with Low-lying cT2N0 Rectal Cancer?=在臨床期別第一期(cT2N0M0)的低位直腸癌,術前輔助性同步電化療是否必要? |
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作 者 | 王新富; 馮已榕; 鄭立勤; 田宇峯; 周家麟; 張譽耀; | 書刊名 | 中華民國大腸直腸外科醫學會雜誌 |
卷 期 | 31:1 2020.03[民109.03] |
頁 次 | 頁8-17 |
分類號 | 416.245 |
關鍵詞 | T2直腸癌; 術前同步電化療; 肛門保留; 手術造口; 存活率; T2 rectal cancer; Preoperative chemoradiotherapy; Sphincter preservation; Surgical stoma; Survival rates; |
語 文 | 英文(English) |
中文摘要 | 目的:第一期(cT2N0M0)的低位直腸癌術前輔助性電化療對於患者來說,仍然是一個有爭議性的議題,尤其是在肛門括約肌保留的部分。這個研究的目的主要是在評估第一期(cT2N0M0)低位直腸癌患者,給予術前輔助性電化療對於實際肛門括約肌保存率及預後。方法:我們以回顧性的方法研究了在2008年1月至2016年12月期間,臨床分期為T2N0M0的低位直腸癌患者(距離肛門邊緣≤6cm)接受手術治療的患者。以術前輔助性電化療的有無將患者分為兩組(PCRT+對比PCRT-),並分析兩組的臨床病理特徵、肛門括約肌保留率及預後。結果:48名平均年齡為66.33歲的患者(24名男性和24名女性)包含在此研究中。在術前評估裡,與沒接受術前輔助性電化療組(PCRT-)相比,接受術前輔助性電化療組(PCRT+)的患者,原發腫瘤與肛門的距離明顯較短(3.86±1.58對4.9±1.37,p=0.0216)。兩組的手術步驟及方法並無差異,但接受術前輔助性電化療組(PCRT+),術後有較高的造口比率及較低的直腸系膜淋巴結摘取數量。兩組中的肛門括約肌保留比率、原發腫瘤大小、與切除腫瘤遠端距離、切除邊緣侵犯率、術後併發症及死亡率無顯著差異。自診斷後的平均追蹤時間為67.02個月(±29.92個月)。兩組之間的復發率,總體存活率,無病存活率和癌症特異性存活率無顯著差異。結論:術前輔助性電化療(PCRT)對於低位直腸癌(cT2N0M0)患者並沒有提高肛門括約肌保留的機會,但會伴隨著較高的暫時性造口比率。 |
英文摘要 | Purpose. The value of preoperative chemoradiotherapy for patients with low-lying cT2N0M0 rectal cancer is controversial; it is usually performed for anal sphincter preservation in these patients. The aim of the study was to evaluate the actual sphincter preservation rate and prognosis in patients with low-lying cT2N0M0 rectal cancer given preoperative chemoradiotherapy. Methods. Between January 2008 and December 2016, 48 patients who underwent radical surgery of low-lying rectal adenocarcinoma (≤ 6 cm from the anal verge) with clinical stage T2N0M0 were retrospectively enrolled in this study. Patients were categorized (PCRT+ vs. PCRT-) according to preoperative chemoradiotherapy application. The clinicopathologic features, sphincter preservation rate, and prognosis of the two groups were analyzed. Results. Forty-eight patients (24 males and 24 females) with a mean age of 66.33 years were identified. Preoperatively, the PCRT+ group had significantly shorter tumor distance from the anus (3.86 ± 1.58 vs. 4.9 ± 1.37 cm, p = 0.0216). The operation procedure and method were similar between groups. Significantly more stoma were created and fewer lymph nodes harvested in the PCRT+ group. The groups did not differ significantly in sphincter preservation rate, primary tumor size, distal margin of the resected tumor, margin involved rate, post-operative complications, or mortality. Mean follow-up time from diagnosis was 67.02 ± 29.92 months. The groups did was not differ significantly in disease recurrence or overall, disease-free, or cancer-specific survival. Conclusions. Preoperative chemoradiotherapy did not increase sphincter preservation or survival in patients with low-lying cT2N0 rectal cancer, but was associated with a higher rate of temporary stoma. |
本系統中英文摘要資訊取自各篇刊載內容。