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DOI:10.2214/AJR.09.2342
AJR 2009; 193:1531-1539
© American Roentgen Ray Society

Review

CT Colonography With Decreased Purgation: Balancing Preparation, Performance, and Patient Acceptance

Shmuel Mahgerefteh1, Shifra Fraifeld1, Arye Blachar2 and Jacob Sosna1,3

1 Department of Radiology, Hadassah Hebrew University Medical Center, Ein Kerem, POB 12000 Jerusalem 91120, Israel.
2 Division of Radiology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.
3 Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.

OBJECTIVE. Reduction or elimination of catharsis with fecal tagging enhances the tolerability of CT colonography (CTC) and may increase compliance with colorectal cancer (CRC) screening recommendations. We systematically reviewed studies that prospectively evaluated performance and patient satisfaction with decreased-purgation CTC and with optical colonoscopy.

CONCLUSION. The nine studies reviewed showed moderate-to-good performance for decreased-purgation CTC; however, data are limited, and study design and data presentation are inconsistent. Further study of decreased-purgation CTC and standardization of terminology are needed.

Keywords: bowel preparation • colorectal cancer screening • computer-aided detection • CT colonography • electronic cleansing • fecal tagging • fluid tagging • oral catharsis • stool tagging • virtual colonoscopy


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