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ORIGINAL ARTICLE
Year : 2018  |  Volume : 7  |  Issue : 3  |  Page : 191-195

A tertiary care hospital's 10 years' experience with rectal ultrasound in early rectal cancer


1 Division of Gastroenterology and Hepatology, University of Wisconsin Hospital and Clinic, Madison, WI 53705; Department of Medicin, University of Wisconsin Hospital and Clinic, Madison, WI 53705, USA
2 Department of Surgery, University of Wisconsin Hospital and Clinic, Madison, WI 53705, USA

Correspondence Address:
Deepak V Gopal
4229 MFCB, 1685 Highland Avenue, Madison, WI 53705
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/eus.eus_15_17

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Background and Objectives: Rectal endoscopic ultrasound (RUS) has become an essential tool in the management of rectal adenocarcinoma because of the ability to accurately stage lesions. The aim of this study was to identify the staging agreement of early RUS-staged rectal adenocarcinoma with surgical resected pathology and ultimately determine how this impacts the management of early rectal cancer (T1–T2). Methods: Retrospective chart review was performed from November 2002 to November 2013 to identify procedure indication, RUS staging data, surgical management, and postoperative surgical pathology data. Results: There were a total of 693 RUS examinations available for review and 282 of these were performed for a new diagnosis of rectal adenocarcinoma. There was staging agreement between RUS and surgical pathology in 19 out of 20 (95%) RUS-staged T1 cases. There was staging agreement between RUS and surgical pathology in 3 out of 9 (33%) RUS-staged T2 cases. There was significantly better staging agreement for RUS-staged T1 lesions compared to RUS staged T2 lesions (P = 0.002). Nearly 60% of T1N0 cancers were referred for transanal excisions (TAEs), and 78% of T2N0 cancers underwent low anterior resection. Conclusions: This study identified only a small number of T1–T2 adenocarcinomas. There was good staging agreement between RUS and surgical pathology among RUS-staged T1 lesions whereas poor staging agreement among RUS-staged T2 lesions. Although TAE is largely indicated by the staging of a T1 lesion, this approach may be less appropriate for T2 lesions due to high reported local recurrence.


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