I have AVN in both distal femurs(knees). The AVN is not in the joint and the one core decompression cured the left leg. But the right knee has been through 12 cores(cadavar bone,sea coral-everything)...
I have Multiple Sclerosis and was treated with steroids. I got bilateral AVN in my distal femurs as a result. I got the MS in1986 and the AVN in 1993. The AVN in my knees does not involve the joint...