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British Journal of Radiology (1996) 69, 665-667
© 1996 British Institute of Radiology
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The British Journal of Radiology, Vol 69, Issue 823 665-667, Copyright © 1996 by British Institute of Radiology

ARTICLES

Short communication: endoanal ultrasound during contraction of the anal sphincter--improved definition and diagnostic accuracy

NA Rieger, PR Downey and DA Wattchow
Department of Surgery, Flinders Medical Centre, South Australia.

Endoanal ultrasound was used in the investigation of 26 patients with faecal incontinence. In each case images of the anal sphincter were taken at rest and during contraction or squeezing (dynamic). Better definition of the normal anal sphincter or anal sphincter defects was obtained in 16 (62%) of the patients with imaging during contraction. In eight of the 13 patients with a sphincter defect there was better definition of the defect and increased separation of the ends of the sphincter during contraction. Imaging during contraction improves diagnostic accuracy and is a useful adjunct with endoanal ultrasound.




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