Excretory phase CT ( CT-IVU ) illustrated excellently a fistulous tract between the vagina and bladder in keeping with a vesicovaginal fistula.

In this case this is likely to be post operative/iatrogenic in nature, given the low stage pelvic malignancy prior to hysterectomy.

In many cases CT has replaced traditional fluroscopic studies in illustrating genitourinary tract fistulas.