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Contrast-enhanced computed tomography colonography in preoperative distinction between T1-T2 and T3-T4 staging of colon cancer

机译:对比度增强的计算机断层扫描结肠术在术前区别在结肠癌的T1-T2和T3-T4分段之间

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摘要

Rationale and Objectives: To predict the T stage of nonrectal colon cancer using contrast-enhanced computed tomography colonography. Materials and Methods: Sixty-one patients with 67 nonrectal colon cancers consecutively underwent contrast-enhanced computed tomography colonography after an incomplete colonoscopy. Two readers evaluated wall deformity and perilesional fat abnormality on three-dimensional double contrast enema-like views and multiplanar reconstructions. Pathology was used as the standard of reference. McNemar, Fisher, and Cohen ?? statistics were used. Results: At pathologic examination, we found the following stages: T1 (n = 5), T2 (n = 10), T3 (n = 41), T4a (n = 6), and T4b (n = 5). Intraobserver and interobserver reproducibilities were almost perfect for wall deformity (?? = 1.00 and ?? = 0.88, respectively), substantial for perilesional fat abnormality (?? = 0.79 and ?? = 0.74, respectively). Using the results of the more experienced reader, accuracy of wall deformity ??50% (apple-core) alone for T ?? 3 was 62 of 67 (0.93, 95% confidence interval [CI] 0.83-0.97) and that of perilesional fat abnormality alone was 37 of 67 (0.55, 95% CI 0.43-0.67) (P < .001). Predictive value for ?? T3 of the association wall deformity ??50% with perilesional fat abnormality was 22 of 22 (1.00, 95% CI 0.85-1.00), higher, but not significantly, than that of wall deformity ??50% with normal perilesional fat 29 of 33 (0.88, 95% CI 0.72-0.97) (P = .148, Fisher exact test). Conclusions: The presence of apple-core wall deformity, regardless of perilesional fat abnormality, is highly predictive of stage T3 or higher. ? 2013 AUR.
机译:理由和目标:使用对比度增强的计算机断层扫描结肠监视来预测非癌症癌的T阶段。材料和方法:六十一名患者67例67名非癌症癌症在不完全结肠镜检查后连续接受造影率增强的计算断层扫描结肠术。两位读者在三维双对比度灌肠视图上评估壁畸形和缺陷脂肪异常,以及多平面重建。病理学用作参考标准。麦克马尔,费舍尔和科恩??使用统计数据。结果:在病理检查中,我们发现以下阶段:T1(n = 5),T2(n = 10),T3(n = 41),T4a(n = 6)和T4b(n = 5)。陷入困境和Interobserver再现性几乎是完美的墙壁畸形(分别为0.88),对于缺陷脂肪异常(分别分别为0.79且0.74分别)。使用更有经验的读者的结果,墙壁畸形的准确性为50%(苹果核心)的t ?? 3为67的62(0.93,95%置信区间[CI] 0.83-0.97),单独的缺陷脂肪异常为37个,共67例(0.55,95%CI 0.43-0.67)(P <.001)。预测价值??关联墙体畸形的T3与缺乏脂肪异常的50%为22例(1.00,95%CI 0.85-1.00),比墙壁畸形更高,但不显着,具有正常的Periles脂肪29的50% 33(0.88,95%CI 0.72-0.97)(P = .148,Fisher精确测试)。结论:苹果芯壁畸形的存在,无论血液脂肪异常如何,都具有高度预测的T3或更高阶段。还2013年AUR。

著录项

  • 来源
    《Academic radiology》 |2013年第5期|共6页
  • 作者单位

    Unit脿 Operativa di Radiologia Diagnostica e Interventistica Azienda Ospedaliera San Paolo via A;

    Scuola di Specializzazione in Radiodiagnostica Universit脿 degli Studi di Milano via Festa del;

    Scuola di Specializzazione in Radiodiagnostica Universit脿 degli Studi di Milano via Festa del;

    Scuola di Specializzazione in Anatomia Patologica Universit脿 degli Studi di Milano via Festa del;

    Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti via F. Sforza 35 - 20122 Milan;

    Servizio di Chirurgia Generale Azienda Ospedaliera San Paolo Milan Italy;

    Unit脿 Operativa di Radiologia Diagnostica e Interventistica Azienda Ospedaliera San Paolo via A;

    Scuola di Specializzazione in Radiodiagnostica Universit脿 degli Studi di Milano via Festa del;

    Servizio di Radiologia IRCCS Policlinico San Donato San Donato Milanese Italy Dipartimento di;

    Unit脿 Operativa di Radiologia Diagnostica e Interventistica Azienda Ospedaliera San Paolo via A;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 放射医学;
  • 关键词

    Colon cancer; Contrast-enhanced CT; CT colonography; T staging;

    机译:结肠癌;对比度增强CT;CT上读数;T暂存;

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