Your kidneys are 2 bean-shaped organs that make urine, balance your body’s water and mineral levels, and filter waste out of your blood.
The outer part of the kidney is called the cortex. Necrosis means death of tissue. Cortical necrosis of the kidneys is the death of tissue in the outer layer (cortex) of one or both of your kidneys.
Cortical necrosis is caused by a blockage of the blood vessels that bring blood to your kidneys.
Cortical necrosis happens when something interferes with blood flow to your kidneys
It's often caused by a severe health problem that causes a big drop in blood pressure
Cortical necrosis causes your kidneys to stop doing their job (kidney failure)
You urinate less, have dark urine, a fever, and pain in your lower back
Doctors treat the health problem causing cortical necrosis of the kidneys and may give you fluids and antibiotics
The causes depend on age.
In newborns, causes include:
In children, causes include:
In adults, causes include: