Most useful test in vesicovaginal fistula?
(A) Cystoscopy (B) Three swab test (C) Urine culture (D) Intravenous pyelogram
(A) Best investigation for VVF : Cystoscopy Cystoscopy tells about Site of fistula Size of fistula No. of fistula Ureteric opening Tests done for diagnosis of VVF: Clinical examination for site of fistula and type of lak Three swab test: methylene blue dye test Cystoscopy Cystography VCUG: voiding cystourethrography CT, urine c/s, IVP, USG Retrograde pyelography; may be done to rule out other causes of urine incontinence