Urogenital Diaphragm Rug

Urinary tract contrast material above the urogenital diaphragm ugd and extravasation of urinary tract contrast material below the ugd were specific for type i ii and iii urethral injuries respectively.

Urogenital diaphragm rug. The verumontanum is a smooth filling defect along the posterior wall of the prostaticurethra. Retrograde urethrography rug is the fluoroscopic examination of the urethra via retrograde contrast filling. It enables anatomic detail in the evaluation of the urethra in boys. The membranous urethra is the narrowest urethral segment approximately 1 cm in length coursing through the urogenital diaphragm deep.

There is very limited pediatric literature available on this topic which makes its performance and interpretation challenging. Urogenital diaphragm pfudd pelvic fracture urethral distraction defects rug retrograde urethrography introduction any type of trauma may affect any part of the urethra but much the commonest is iatrogenic trauma due to 1 2. The membranous urethra is the shortest segment 1 1 5 cm and passesthrough the urogenital diaphragm. Mr imaging techniques both t1 and t2 weighted imaging are often needed to evaluate the male and female urethra.

5 10 while various techniques have been described to implement rug the most common utilizes a foley catheter 12 20 with this method the patient is ideally positioned for imaging in an approximate 45 oblique angle with the penis stretched so that the meatus points cephalad. Older texts have asserted the existence of a urogenital diaphragm also called the triangular ligament which was described as a layer of the pelvis that separates the deep perineal sac from the upper pelvis lying between the inferior fascia of the urogenital diaphragm perineal membrane and superior fascia of the urogenital diaphragm. On rug the verumontanum is identified as a filling defect in the posterior urethra.