Autosomal recessive polycystic kidney disease (ARPKD), also known as infantile polycystic kidney disease (IPKD), is a rare genetic disease that affects the kidneys. There are no universally accepted synonyms for ARPKD, but some people may refer to the condition as polycystic kidney disease in children or juvenile polycystic kidney disease. Other terms that may be used to describe the symptoms of ARPKD include enlarged kidneys, renal cysts, liver fibrosis, and hypertension. While ARPKD is a serious condition that can lead to kidney failure and other complications, early diagnosis and treatment can help manage the disease and improve outcomes for affected individuals.