Detection of small-bowel tumours with CT enteroclysis using carbon dioxide and virtual enteroscopy: A preliminary study View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2017-07-14

AUTHORS

Anthony Dohan, Mourad Boudiaf, Xavier Dray, Elia Samaha, Christophe Cellier, Marine Camus, Clarisse Eveno, Raphael Dautry, Philippe Soyer

ABSTRACT

PurposeThe aim of this prospective study was to evaluate the feasibility, tolerance and performance of virtual enteroscopy (VE) using carbon dioxide for small-bowel distension in patients with suspected small-bowel tumours (SBTs).Patients and methodsAfter IRB approval, 17 patients with suspected SBTs were prospectively included. Radiation dose was compared to 34 matched patients (2 for 1) for age, gender and body weight, who had undergone CT-enteroclysis with neutral contrast (CTE). Performance of VE was evaluated through comparison with the current standard of reference, including surgery and/or enteroscopy and/or follow-up.ResultsTolerance was excellent in 16/17 patients (94%). The radiation dose was lower for VE than for CTE (533 ± 282 vs. 974 ± 505 mGy.cm; p = 0.002). With VE, a total of 25 polyps >5 mm in size were depicted in 12/17 patients. On a per-lesion analysis, sensitivity and positive predictive value of VE were 92.0% and 92.0%, respectively. On a per-segment analysis VE had a sensitivity and specificity of 95.0% and 87.0%, respectively.ConclusionOur preliminary study suggests that VE is a feasible and well-tolerated technique with high sensitivity and specificity for the diagnosis of SBT.Key Points• Virtual enteroscopy is feasible and well tolerated.• Virtual enteroscopy appears to be accurate for detection of small-bowel tumours.• Sensitivity and PPV of virtual enteroscopy is 92.0% and 92.0%.• Radiation dose is lower with virtual enteroscopy compared to MDCT-enteroclysis. More... »

PAGES

206-213

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s00330-017-4927-4

DOI

http://dx.doi.org/10.1007/s00330-017-4927-4

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1090680609

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/28710577


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32 schema:description PurposeThe aim of this prospective study was to evaluate the feasibility, tolerance and performance of virtual enteroscopy (VE) using carbon dioxide for small-bowel distension in patients with suspected small-bowel tumours (SBTs).Patients and methodsAfter IRB approval, 17 patients with suspected SBTs were prospectively included. Radiation dose was compared to 34 matched patients (2 for 1) for age, gender and body weight, who had undergone CT-enteroclysis with neutral contrast (CTE). Performance of VE was evaluated through comparison with the current standard of reference, including surgery and/or enteroscopy and/or follow-up.ResultsTolerance was excellent in 16/17 patients (94%). The radiation dose was lower for VE than for CTE (533 ± 282 vs. 974 ± 505 mGy.cm; p = 0.002). With VE, a total of 25 polyps >5 mm in size were depicted in 12/17 patients. On a per-lesion analysis, sensitivity and positive predictive value of VE were 92.0% and 92.0%, respectively. On a per-segment analysis VE had a sensitivity and specificity of 95.0% and 87.0%, respectively.ConclusionOur preliminary study suggests that VE is a feasible and well-tolerated technique with high sensitivity and specificity for the diagnosis of SBT.Key Points• Virtual enteroscopy is feasible and well tolerated.• Virtual enteroscopy appears to be accurate for detection of small-bowel tumours.• Sensitivity and PPV of virtual enteroscopy is 92.0% and 92.0%.• Radiation dose is lower with virtual enteroscopy compared to MDCT-enteroclysis.
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39 schema:keywords CT enteroclysis
40 CT-enteroclysis
41 CTE
42 ConclusionOur preliminary study
43 IRB approval
44 MDCT-enteroclysis
45 PPV
46 Performance of VE
47 ResultsTolerance
48 age
49 aim
50 analysis
51 analysis VE
52 approval
53 body weight
54 carbon dioxide
55 comparison
56 contrast
57 current standard
58 detection
59 diagnosis
60 diagnosis of SBT
61 dioxide
62 distension
63 dose
64 enteroclysis
65 enteroscopy
66 feasibility
67 gender
68 high sensitivity
69 lesion analysis
70 methodsAfter IRB approval
71 neutral contrast
72 patients
73 performance
74 polyps
75 positive predictive value
76 predictive value
77 preliminary study
78 prospective study
79 radiation dose
80 reference
81 segment analysis VE
82 sensitivity
83 size
84 small-bowel distension
85 small-bowel tumors
86 specificity
87 standards
88 study
89 surgery
90 technique
91 tolerance
92 total
93 tumors
94 values
95 virtual enteroscopy
96 weight
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