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  • Title: [Dynamic MR defecography for diagnosis of combined functional disorders of the pelvic floor in proctology].
    Author: Paetzel C, Strotzer M, Fürst A, Rentsch M, Lenhart M, Feuerbach S.
    Journal: Rofo; 2001 May; 173(5):410-5. PubMed ID: 11414148.
    Abstract:
    PURPOSE: Evaluation of magnetic resonance defecography in the diagnosis of pelvic floor disorders were examined prospectively. MRI was performed on a 1.5 T scanner. The rectum was opacified with 200 ml of ultrasound transmission gel. A sagittal single section T2-weighted gradient echo sequence with a temporal resolution of 1.1 second was performed. Changes of the anorectal angle and the position of the pelvic organs in relation to the pubococcygeal line were registered at rest, during straining, and during evacuation of the rectum. RESULTS: Patients with obstructed defecation (n = 15) showed prolapse of the rectal mucosa (n = 5), anterior rectocele (n = 8), pelvic floor descent (n = 5), enterocele (n = 2), and anorectal dyscoordination (n = 3). Individuals with stool incontinence (n = 15) had an anterior rectocele (n = 10), pelvic floor descent (n = 11), enterocele (n = 2), prolapse of rectal mucosa (n = 1), and a puborectal insufficiency (n = 1). Urine incontinence was associated with cystocele (n = 10) or normal findings (n = 4). In patients with unspecific symptoms (n = 6), anorectal dyscoordination (n = 4) and prolapse of the rectal mucosa (n = 2) were found. MRI was superior for the detection of enteroceles, cystoceles and pelvic floor descent compared with clinical investigation. CONCLUSION: Dynamic MR imaging supplies complex information in anorectal disease and thus improves proctoscopy.
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