The aim of our study was to compare DMRD in the supine position, with conventional defecography, and to evaluate the results of both methods in the detection of defecation findings.

20 patients with symptoms of obstructed defecation, anal incontinence and pelvic floor descend were examined by a closed 1,5T magnet, in supine position, and with conventional defecography method. Preparation: Patients were prepared with an enema at least two hours before evaluation and 4 hours fasting. DMRD method: 250 ml of ultrasound gel are introduced into the rectum to simulate the presence of feces and 10 ml for opacification of the vagina. There is no need for opacification of the urethra. In the MR table, at...

20 female patients with a mean age of 53 (26-86) years were prospectively evaluated by a radiologist with DMRD and by a colorectal surgeon with conventional defecography. The results were analized and compared. Abnormal findings were detected in all patients. Good correlation was observed between the two methods concerning premature evacuation and incontinence (K=0.90), rectoceles (K=0.55), rectal emptying (k=0.50) and intussuception (k=0.41). Defecography was superior in the detection of syndrome of spastic pelvic floor (anismus), while enteroceles were only confirmed by DMRD in 7 patients.(k=0.20...

DMRD and defecography are complementary and important dynamic modalities for patients with symptoms of obstructed defecation, anal incontinence and pelvic floor descend. Defecography was superior in the detection of syndrome of spastic pelvic floor. DMRD was superior at the detection ofenteroceles. It also provided an accurate evaluationofmuscle and fascial abnormalitiesof the pelvic floor and pelvic descent of other compartments.

Milana Flusberg, V. Anik Sahni, Sukru M. Erturk, Koenraad J. Mortele (2011) Dynamic MR Defecography: Assessment of the Usefulness of Defecation Phase. AJR 196:W394-W399 Jaap Stoker MD, PhD, Steve Halligan MD, MRCP, FRCR, Clive I. Bartram FRCR, FRCP,FRCS (2001) Pelvic Floor Imaging. Radiology 218:621-641 Woodfield AC, Krishnamoorthy S, Hampton BS, Brody JM(2010) Imaging Pelvic Floor Disorders: Trend Toward Comprehensive MRI. AJR 194:1640–1649. A. L. Baert, M. Knauth (2008) Imaging Pelvic Floor Disorders. Chapter 4 (4.2); 75-88 Clive I. Bartram, Robert D. Madoff (2008). Imaging Atlas...

Alice Brandão, MD Women’s imaging radiologist Clínica Felippe Mattoso Av. Das Américas 700, sala 320 Barra Da Tijuca - Rio De Janeiro – RJ – Brasil- CEP- 22640-100 Tel and FAX No: 55 21 2132-7909 Email: [email protected] Lucia C. C. Oliveira, MD, PhD Colorectal surgeon Anorectal Physiology Department, Policlinica Geral do Rio de Janeiro Email:[email protected]