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 in supine position performing a Valsalva. The modified pubococcygeal line is seen. The downward migration of the small bowel (curved arrow) below this line is <1 cm indicating an intact reconstructed pelvic floor.
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