Technological advancements in femoral stem designs ... of Lenox Hill Hospital in New York treated 52 patients with a ceramic head on a machined 4150 polyethylene insert, and 52 patients received ...
[3] Several studies have reported an 80% incidence of femoral head collapse within 4 years of onset of the disease, if left untreated. [8,9] Treatment options can be separated into nonsurgical ...