CT scan

Diagnosing Kidney Cysts

By Sally Robertson, BSc

Kidney (renal) cysts are fluid-filled sacs that form on one or both of the kidneys. Usually, these cysts do not cause symptoms or kidney damage, in which case they are referred to as simple kidney cysts.

Simple kidney cysts are very different from the type of cysts that develop when a person has the genetic condition polycystic kidney disease (PKD), which causes scarring of the kidney tissue that can eventually damage the kidney and lead to kidney failure.

Simple cysts sometimes cause symptoms if they have become large enough or have started to press on other organs. They can also become infected, leading to pain and fever.

Suspected Pediatric Appendicitis: When Should CT Scans Be Used?

Published April 29, 2016

Suspect-Ped-AppendicitisHave you ever treated a child with abdominal pain that you suspected might be caused by appendicitis? It’s tempting to go straight to a CT scan, but such scans expose children to ionizing radiation, which is potentially harmful. Eric Glissmeyer, M.D., a pediatric emergency physician, discusses how doctors can know whether to employ advanced scanning in kids. He presented this information to his peers at the 2016 Pediatric Academic Societies meeting in Baltimore.

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