Concordance of MRI With Pathology for Primary Staging of Rectal Cancer in Routine Clinical Practice: A Single Institution Experience

被引:2
作者
Kikano, Elias G. [1 ,3 ]
Matalon, Shanna A. [1 ]
Eskian, Mahsa [1 ]
Lee, Leslie [1 ]
Melnitchouk, Nelya [2 ]
Bleday, Ron [2 ]
Khorasani, Ramin [1 ]
机构
[1] Harvard Med Sch, Brigham & Womens Hosp, Dana Farber Canc Inst, Ctr Evidence Based Imaging,Dept Radiol, Boston, MA USA
[2] Brigham & Womens Hosp, Dept Surg, Boston, MA USA
[3] Harvard Med Sch, Brigham & Womens Hosp, Dana Farber Canc Inst, Ctr Evidence Based Imaging,Dept Radiol, 1620 Tremont St, Boston, MA 02115 USA
关键词
MANAGEMENT; ACCURACY; SOCIETY; IMPACT;
D O I
10.1067/j.cpradiol.2023.08.016
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Purpose: MRI is the preferred imaging modality for primary staging of rectal cancer, used to guide treatment. Patients identified with clinical stage I disease receive upfront surgical resection; those with clinical stage II or greater undergo upfront neoadjuvant therapy. Although clinical under-/over-staging may have consequences for patients and presents opportunities for organ preservation, the correlation between clinical and pathologic staging in routine clinical practice within a single institute has not been fully established. Methods: This retrospective, Institutional Review Board-approved study, conducted at a National Cancer Institute-Designated Comprehensive Cancer Center with a multi-disciplinary rectal cancer disease center, included patients undergoing rectal MRI for primary staging January 1, 2018-August 30, 2020. Data collection included patient demographics, initial clinical stage via MRI report, pathologic diagnosis, pathologic stage, and treatment. The primary outcome was concordance of overall clinical and pathologic staging. Secondary outcomes included reasons for mismatched staging. Results: A total 105 rectal adenocarcinoma patients (64 males, mean age 57 +/- 12.7 years) had staging MRI followed by surgical resection. A total of 28 patients (27%) had mismatched under -/over-staging. Ten patients (10%) were understaged with mismatched T stage group (clinical stage I, pathologic stage II), five (5%) were understaged with mismatched N stage group (clinical stage I, pathologic stage III), and 13 (12%) were overstaged (clinical stage II-III, pathologic stage 0-I). Treatment matched concordance between clinical and pathologic stages was 86%. Conclusion: MRI for primary rectal cancer staging has high concordance with pathology. Future studies to assess strategies for reducing clinically relevant under staging would be beneficial. (c) 2023 Elsevier Inc. All rights reserved.
引用
收藏
页码:68 / 72
页数:5
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