Brief Answer: they should consider testing Detailed Answer: Hi, thanks for using healthcare magic There are different types of cysts that can occur in the kidneys. Simple cysts are those that are commonly seen as persons age, 50% of persons older than 50 have this type of cyst in the kidneys. Polycystic kidney disease is different from simple cysts in that there is a hereditary or genetic link. Offsping of a person with polycystic kidney disease have a 50% chance of getting the disease. Persons may have no symptoms related to the cysts or may have pain, blood in the urine. Since there is a 50% of inheritance of polycystic kidney disease, your children should consider being checked for the condition. This would mean an ultrasound to assess the kidneys. They may want to also have a blood pressure check and a check for blood in the urine. Polycystic kidneys is associated with cysts in the liver. The liver is actually the most common place other than the kidneys, to find changes in persons with this disease.These liver cysts may not necessarily cause problems if they grow very slowly or remain the same size. If the liver cysts enlarge, burst or become infected then symptoms can occur. This would usually present with pain in the abdomen. The fact that your kidney size has remained normal and there is no hydronephrosis or nephrolithiais is good. I hope this helps, feel free to ask any other questions

---