Gynaecology & Obstetrics Classical technique of genitourinary fistula repair in contrast to Latzko technique involves A Partial excision of fistula. B Total excision of fistulous tract. C Shortening of vagina. D Approximates anterior and posterior vaginal walls. 💡 Explanation Classical technique of genitourinary fistula repair in contrast to Latzko technique involves ✓ Correct Answer: B. Total excision of fistulous tract.