[Subchondral autoplasty of the femur head in stage II aseptic necrosis in adults].

A method of the operative treatment of the II stage of aseptic necrosis of the femur by subchondral autoplasty (with bone chips with crystal chymotrypsin) is described. In 18 of 22 patients operated upon good results were noted, in 3 patients results were satisfactory during 2-5 years.