J Korean Soc Radiol.
2009 Apr;60(4):249-257. 10.3348/jksr.2009.60.4.249.
Is a Double Contrast Barium Enema Necessary in Patients who Undergo a CT Colonography as a Preoperative Work-up?
- Affiliations
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- 1Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. lucia@skku.eud
- 2Department of Radiology, Kangwon National University School of Medicine, Chuncheon, Korea.
- 3Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
- 4Department of Surgery, Kangwon National University School of Medicine, Chuncheon, Korea.
- 5Department of Radiology, Korea University School of Medicine, Seoul, Korea.
- KMID: 1471186
- DOI: http://doi.org/10.3348/jksr.2009.60.4.249
Abstract
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PURPOSE: To determine the efficiency of CT colonography (CTC), as compared with the double contrast barium enema (DCBE) for the preoperative work-up of colorectal neoplasms.
MATERIALS AND METHODS
A total of 39 patients underwent both a CTC and DCBE before surgery. Three abdominal radiologists and three colorectal surgeons retrospectively reviewed virtual double contrast (VDC) and DCBE images, regarding each examination for localization, conspicuity, extent and morphology of neoplasms. We reviewed the radiological reports of the CTC and DCBE for the polyps.
RESULTS
In the case of both VDC and DCBE, 40 cancers were detected in 39 patients. According to abdominal radiologists, VDC showed the same ability to identify DCBE for localization of neoplasms (p < 0.001). However, DCBE was significantly superior or equal to the VDC (p < 0.05) in conspicuity, extent, and morphology of the main mass. According to colorectal surgeons, VDC was significantly superior or equal to DCBE for all parameters (each p < 0.05). The ability to detect polyps was not significantly different between the CTC and DCBE (p > 0.05).
CONCLUSION
The performance of the CTC is comparable to the DCBE for the localization of main mass and polyps in patients with colorectal neoplasm. Barium enema don't seem to be necessary for patients who undergo a CTC as preoperative work-up.
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