Meta-Analysis: Computed Tomographic Colonography

Mulhall, Brian P.; Veerappan, Ganesh R.; Jackson, Jeffrey L.

doi:10.7326/0003-4819-142-8-200504190-00013

Cited by 351 publications

(192 citation statements)

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“…In anderen Untersuchungen konnte dieses besonders gute Ergebnis jedoch nicht erzielt werden [416,417]. Hier war die CT-Kolonografie der Koloskopie zum Teil deutlich unterlegen [418,419], der Röntgendoppelkontrastuntersuchung jedoch überlegen [417,420]. 16 cm), des mittleren Rektumdrittels (6 -< 12 cm) und des unteren Rektumdrittels (< 6 cm) unterteilt [513].…”

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et al. 2013

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et al. 2013

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“…Elle a aussi ses limites en cas de distension insuffisante ou de résidus fécaux. Les résultats des différentes études évaluant l'efficacité de cette méthode sont discordants [13,14]. La sensibilité rapportée de cette technique pour les lésions de plus de 9 mm est comprise entre 85 % et 94 % et la spécificité entre 96 % et 97 % [13][14][15].…”

Section: Colosopie Virtuelleunclassified

“…Les résultats des différentes études évaluant l'efficacité de cette méthode sont discordants [13,14]. La sensibilité rapportée de cette technique pour les lésions de plus de 9 mm est comprise entre 85 % et 94 % et la spécificité entre 96 % et 97 % [13][14][15]. Dans la méta-analyse de Mulhall et al [14] (33 études correspondant à 6 393 patients), le taux de sensibilité de la coloscopie virtuelle était de 70 % pour les polypes de 6-9 mm et les taux de spécificité correspondants étaient de 93 %.…”

Section: Colosopie Virtuelleunclassified

“…La sensibilité rapportée de cette technique pour les lésions de plus de 9 mm est comprise entre 85 % et 94 % et la spécificité entre 96 % et 97 % [13][14][15]. Dans la méta-analyse de Mulhall et al [14] (33 études correspondant à 6 393 patients), le taux de sensibilité de la coloscopie virtuelle était de 70 % pour les polypes de 6-9 mm et les taux de spécificité correspondants étaient de 93 %. L'utilisation de la coloscopie virtuelle pose la question de la disponibilité des appareils, de l'irradiation des patients (en cas de surveillance par coloscopie virtuelle), et de la formation des radiologues à l'interprétation des images.…”

Section: Colosopie Virtuelleunclassified

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Dépistage organisé du cancer colorectal en France : Rôle de l’Institut National du Cancer

Viguier¹,

Nathan

2009

Med Sci (Paris)

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“…Since 33-50 % of advanced neoplasms are found only in the proximal colon [11][12][13], additional efforts should be made to adequately visualize the remaining colon after an incomplete colonoscopy. An alternative diagnostic modality such as computed tomographic colonography has been utilized in these cases, however, its usefulness is limited by low sensitivity for small polyps, radiation exposure, and the inability to perform histologic biopsy and therapeutic procedures including polypectomy [14,15]. As a result, endoscopic approaches are still favored after incomplete standard colonoscopy.…”

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Single- Versus Double-Balloon-Assisted Colonoscopy After Previous Incomplete Standard Colonoscopy

Lim

Myung

2012

Dig Dis Sci

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Colonoscopy is the principle screening tool used for the detection of colorectal cancer and removal of colorectal adenomatous polyps [1,2]. Recently, a large clinical study showed that colonoscopic removal of adenomatous polyps reduced mortality from colorectal cancer by 53 % [3]. While complete colonic evaluation is essential for screening colonoscopy, the rate of incomplete colonoscopy using a conventional standard colonoscope has been reported to be 5-10 % [4][5][6]. A study conducted in Ontario found that 43,483 (13.1 %) of 331,608 screening colonoscopies failed to evaluate the entire colon [7]. In this population-based cohort study, the factors associated with incomplete colonoscopy were increased patient age, female sex, a history of prior abdominal or pelvic surgery, and having the procedure done in a private office. Other predictors of incomplete colonoscopy include decreased functional status of the patient [8] and anatomic factors such as colonic elongation, tortuosity, and severe diverticulosis [9].Malignant and pre-malignant lesions may go undetected in patients that are not completely evaluated by screening colonoscopy. In a population-based cohort study, 4.3 % of advanced colonic neoplasms were missed by incomplete colonoscopy [10]. Since 33-50 % of advanced neoplasms are found only in the proximal colon [11][12][13], additional efforts should be made to adequately visualize the remaining colon after an incomplete colonoscopy. An alternative diagnostic modality such as computed tomographic colonography has been utilized in these cases, however, its usefulness is limited by low sensitivity for small polyps, radiation exposure, and the inability to perform histologic biopsy and therapeutic procedures including polypectomy [14,15]. As a result, endoscopic approaches are still favored after incomplete standard colonoscopy. Additional endoscopic techniques using gastroscope, variable stiffness colonoscope, pediatric or cap-pitted colonoscope have been tried, but failed to achieve an adequate cecal intubation rate. More recently, a balloon-assisted technique, which was originally introduced to investigate the small bowel, has been applied in patients with previous failed or incomplete colonoscopy. For a balloon-assisted colonoscopy, two types of balloon enteroscopes are available; the double-balloon enteroscope developed by Yamamoto et al. [16], and the single-balloon enteroscope developed by Tsujikawa et al. [17]. The reported success rates of single-(SBC) or doubleballoon-assisted colonoscopy (DBC) in patients with previous incomplete conventional colonoscopy range from 88 to 100 % [18][19][20][21][22][23].In the current issue of Digestive Diseases and Sciences, Dzeletovic et al. [24] compared the performance outcomes of SBC and DBC in patients with previous incomplete conventional colonoscopy. In this study, the authors retrospectively reviewed 26 cases of SBC and 27 cases of DBC in patients whom underwent failed conventional colonoscopy. The current study showed that cecal intubation was successful i...

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Meta-Analysis: Computed Tomographic Colonography

Cited by 351 publications

References 71 publications

S3-Leitlinie Kolorektales Karzinom Version 1.0 - Juni 2013 AWMF-Registernummer: 021/007OL

S3-Leitlinie Kolorektales Karzinom Version 1.0 - Juni 2013 AWMF-Registernummer: 021/007OL

Dépistage organisé du cancer colorectal en France : Rôle de l’Institut National du Cancer

Single- Versus Double-Balloon-Assisted Colonoscopy After Previous Incomplete Standard Colonoscopy

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