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Venous Malformations Mimicking Multiple Mucosal Polyps on Screening CT Colonography

Andrew D. Lee1, Perry J. Pickhardt1, Deepak V. Gopal2 and Andrew J. Taylor1

1 Department of Radiology, University of Wisconsin Medical School, E3/311 Clinical Science Center, 600 Highland Ave., Madison, WI 53792-3252.
2 Section of Gastroenterology & Hepatology, University of Wisconsin Medical School, Madison, WI 53792-3252.


Figure 1
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  		Fig. 1A —64-year-old man referred for initial colorectal screening. Endoluminal 3D (A and B) and coronal 2D (C) images from screening CT colonography show multiple subcentimeter polypoid lesion (arrows). B and C show the same lesion on 3D and 2D, respectively. Lesions were all of soft-tissue attenuation and measured up to 9 mm.

 

Figure 2
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  		Fig. 1B —64-year-old man referred for initial colorectal screening. Endoluminal 3D (A and B) and coronal 2D (C) images from screening CT colonography show multiple subcentimeter polypoid lesion (arrows). B and C show the same lesion on 3D and 2D, respectively. Lesions were all of soft-tissue attenuation and measured up to 9 mm.

 

Figure 3
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  		Fig. 1C —64-year-old man referred for initial colorectal screening. Endoluminal 3D (A and B) and coronal 2D (C) images from screening CT colonography show multiple subcentimeter polypoid lesion (arrows). B and C show the same lesion on 3D and 2D, respectively. Lesions were all of soft-tissue attenuation and measured up to 9 mm.

 

Figure 4
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  		Fig. 1D —64-year-old man referred for initial colorectal screening. Digital photographs from optical colonoscopy later that same day show multiple discrete, raised submucosal lesions with distinctive bluish hue. Endoscopic appearance is characteristic of vascular blebs.

 

Figure 5
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  		Fig. 1E —64-year-old man referred for initial colorectal screening. Digital photographs from optical colonoscopy later that same day show multiple discrete, raised submucosal lesions with distinctive bluish hue. Endoscopic appearance is characteristic of vascular blebs.

 

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