الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Urinary incontinence is a common problem among women in all age groups. It may manifest as stress incontinence, urge incontinence or mixed incontinence. Stress incontinence is caused by urethral hypermobility and/or intrinsic sphincter deficiency. Numerous risk factors for urinary incontinence have been identified, among them are age, parity, menopause, obesity, hysterectomy and neurologic disorders.
Imaging for SUI includes cystourethrography, ultrasound and magnetic resonance imaging (MRI). Recently, MRI has been used in the diagnosis and evaluation of pelvic floor dysfunction. MRI provides anatomic details of the pelvis including assessment of bladder neck and urethral hypermobility and cystocele, additional findings include rectocele, enterocele and uterine prolapse in a single non-invasive study without exposing the patient to ionizing radiation. It is helpful in evaluating the pelvic floor after vaginal delivery, and surgery.
This study aimed at assessment of females with stress urinary incontinence using dynamic MRI. The study was conducted on thirty female patients with SUI presenting at Radio-diagnosis department, Alexandria Main University Hospital. All patients were subjected to static and dynamic MRI.
Certain parameters were measured using dynamic MRI, these are the degree of bladder descent, hypermobile urethra, urethrovesical angle, H-shaped configuration of vagina and bladder neck funneling.
Sixteen case showed bladder descent, twenty-seven showed hypermotile urethra, eighteen lost the H-shape configuration of vagina and ten showed bladder neck funneling. Urethral supporting ligaments were redundant in twenty-six case, and twenty-nine case had ano-rectal junction descent.
As a conclusion, dynamic MRI is a valuable and accurate imaging modality in the evaluation of pelvic floor anatomy. It is important to asses the exact reason of SUI and any associated findings, to asses multi compartmental defect which may not be so accurate with other modalities. This is important specifically pre operatively to give full image of the case to the surgeon to avoid failed surgery or undergoing unnecessary procedures.