Sandbox: DDx Kidney mass

Abdominal discomfort, polyuria, polydipsia, and hypertension Oligohydramnios, respiratory distress, and Potter sequence ESRD by the age of 15 gene Intracranial hemorrhage Congenital hepatic fibrosis

Bilateral cystic abdominal mass

Enlarged kidneys Multiple bilateral cysts, size <2cm Hepatic cysts

PKHD1 gene mutation Chromosome 6p

Nonmalignant causes

acquired cystic kidney disease autosomal dominant polycystic kidney disease autosomal recessive polycystic kidney disease cystic renal dysplasia glomerulocystic kidney medullary sponge kidney mesothelial cysts nephronophthisis simple cysts