Abbreviations & Acronyms BL = urinary bladder CHD = congenital heart disease CT = computed tomography DSD = disorders of sex development LVD = left vas deferens MRI = magnetic resonance imaging PUC = prostatic utricle cyst RUG = retrograde urethrogram RVD = right vas deferens UDT = undescended testes US = ultrasonography Ut = urethrocystoscopy UTI = urinary tract infection