Dynamic Magnetic Resonance Imaging Demonstrates the Integrity of Perineal Reconstruction following Cylindrical Abdominoperineal Excision with Reconstruction of the Pelvic Floor Using Porcine Collagen
T2-weighted saggital view. Patient underwent a conventional abdominoperineal excision with primary closure of the pelvic floor. Images are obtained in a supine position with the patient performing a Valsalva. There is abnormal descent (>1 cm) of the pelvic floor with posteroinferior herniation of the bladder (arrowhead) and small bowel (curved arrow) below the pubococcygeal line.
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