MR DEFECOGRAPHY
(last updated 11/13/2020, last reviewed 02/06/2026)
INDICATION: Pelvic floor dysfunction, cystocele, rectocele, prolapse, dyspareunia, pain.
SEQUENCES
Sag HASTE relaxed
Ax HASTE relaxed
Cor HASTE relaxed
Sag HASTE Valsalva
Ax HASTE Valsalva
Cor HASTE Valsalva
Sag TRUEFISP/CINE SINGLE SLICE X 20 SEC relaxed
Sag TRUEFISP/CINE SINGLE SLICE X 20 SEC Kegel
Sag TRUEFISP/CINE SINGLE SLICE X 20 SEC Valsalva
Sag TRUEFISP/CINE SINGLE SLICE X 20 SEC Defecation
Sag TRUEFISP/CINE SINGLE SLICE X 20 SEC Defecation (2nd effort if needed)
Administer ~200 mL ultrasound gel per rectum (nonsterile)
Position supine