European journal of radiology · 2011
Technical quality of CT colonography in relation with diverticular disease.
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Flor Nicola, Rigamonti Paolo, Di Leo Giovanni, Ceretti Andrea Pisani, Opocher Enrico, Sardanelli Francesco, Cornalba Gian Paolo
Аннотация
OBJECTIVE: The aim of the study is to explore how the technical quality of the examination was affected by diverticular disease.
MATERIALS AND METHODS: We retrospectively evaluated a consecutive series of 78 subjects who underwent CTC for screening (n=58) or staging (n=20) colorectal cancer, 38 of them (49%) after an incomplete optical colonoscopy. Patients were administered a mild laxative and a iodinated contrast material for fecal tagging. We scored both the bowel preparation and the overall colon distension as poor, good, or optimal and measured the mean sigmoid colon diameter. We counted the number of diverticula and classified patients as having or not a severe diverticular disease (SDD). The number of the prompts of computer aided diagnosis (CAD) per patient was also considered. Mann-Whitney U and χ(2) tests were performed.
RESULTS: No CTC complications occurred. The bowel cleansing was poor in 8 (10%) patients, good in 29 (37%) and optimal in 41 (53%); colon distension was poor in 7 (9%) patients, good in 38 (49%), and optimal in 33 (42%). Fifty-four (69%) showed diverticula and 30 (38%) had an SDD. Bowel cleansing and distension were not significantly impaired by neither diverticula (p>0.590) nor the SDD (p>0.110). Mean sigmoid colon diameter was reduced in presence of diverticula (28 mm versus 23 mm, p=0.009) or SDD (26 mm versus 22 mm, p=0.016). The mean number of CAD prompts per patient was not significantly increased by the presence of SDD (p=0.829).
CONCLUSIONS: Bowel cleansing and distension at CTC were not influenced by the presence of diverticular disease.
MATERIALS AND METHODS: We retrospectively evaluated a consecutive series of 78 subjects who underwent CTC for screening (n=58) or staging (n=20) colorectal cancer, 38 of them (49%) after an incomplete optical colonoscopy. Patients were administered a mild laxative and a iodinated contrast material for fecal tagging. We scored both the bowel preparation and the overall colon distension as poor, good, or optimal and measured the mean sigmoid colon diameter. We counted the number of diverticula and classified patients as having or not a severe diverticular disease (SDD). The number of the prompts of computer aided diagnosis (CAD) per patient was also considered. Mann-Whitney U and χ(2) tests were performed.
RESULTS: No CTC complications occurred. The bowel cleansing was poor in 8 (10%) patients, good in 29 (37%) and optimal in 41 (53%); colon distension was poor in 7 (9%) patients, good in 38 (49%), and optimal in 33 (42%). Fifty-four (69%) showed diverticula and 30 (38%) had an SDD. Bowel cleansing and distension were not significantly impaired by neither diverticula (p>0.590) nor the SDD (p>0.110). Mean sigmoid colon diameter was reduced in presence of diverticula (28 mm versus 23 mm, p=0.009) or SDD (26 mm versus 22 mm, p=0.016). The mean number of CAD prompts per patient was not significantly increased by the presence of SDD (p=0.829).
CONCLUSIONS: Bowel cleansing and distension at CTC were not influenced by the presence of diverticular disease.