Contrast enhanced-X ray Urinary tract radiography lege ing Uni (urography) Hospital ion intravenous pyelography Medical (urography) retrograde pyelography (urography) Retrograde cystography 晋 院 Contrast enhanced - X ray • Urinary tract radiography (urography) – intravenous pyelography (urography) – retrograde pyelography (urography) • Retrograde cystography