Sickle cell disease Avascular necrosis (1567)

Key points below

What is avascular necrosis?

Avascular necrosis (AVN) is a disease that affects the bones. The tops of the bones should be round. 

What are the symptoms?

If you suspect AVN, please talk to your child's provider.

What will happen if the doctors think there is AVN?


Call the doctor, nurse, or the Sickle Cell Center if you have any concerns or if:

  • You think you have AVN
  • There are special health care needs not covered by this information.

Sickle Cell Clinic: (414) 266-2420,  Monday – Friday, 8:00 AM – 4:30 PM. Ask to talk with a nurse.  
After hours, weekends or holidays, call (414) 266-2420.  You will be transferred to the operator if your call is urgent.  Ask for the hematologist to be paged.