Survivor Issues: Avascular Necrosis (AVN)
Avascular necrosis is a condition characterized by cell death in bones caused by a compromised blood supply to the bone. Advanced cases show bone collapse in the affected joint. AVN can be caused by high-dose steroids and radiation treatment. It is usually seen in the first year off treatment; adolescent girls are most susceptible.
The hip bone is the most common site for AVN, knee, shoulder and other joints can also be affected.
Also known as:
osteonecrosis (ON); ischemic necrosis of bone; aseptic necrosis; osteochondritis dissecans
Description of AVN
Merck manual
Signs and Symptoms
The symptoms of AVN vary; in general, the symptoms include pain and loss of movement in the affected joint. Some patients have intense, incapacitating pain, others experience tolerable pain and little loss of movement.
Diagnosis
According to the Merck Manual, "Early diagnosis requires a high index of suspicion in patients presenting with pain, particularly of the hips, knees, or shoulders." In other words, unless the physicians suspect AVN, they will not find it. An MRI is the most sensitive test for AVN; x-rays might not show AVN until it has progressed to the point of bone collapse.
Treatment
Cortical bone grafts, core decompression (the central portion of the bone is removed to reduce pressure), osteotomy (a wedge of the bone is removed), and hip (or knee) replacement.
I bet they never told me that was a posibility!!!!!
Tomorrow we have an appointment to see Dr. Mankey and have the stitches taken out. I offered to take them out for her and she refused.
One thing about spending so much time at Children's is it takes 2 nano seconds to return to a place of gratefulness......
Twenty Years, Two Hundred and Forty Months, Seven Thousand Days, and Three Hundred Days. Since we started chasing Leukemia.
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