[Femur head necrosis in sickle cell anemia].

The clinical course and therapy of femoral head necrosis after a minimal trauma in a 14 year old Turkish girl with sickle cell anemia is described. In this hemoglobinopathy one must be aware of complicated clinical courses even after minor accidents. The immediate start of therapy in an acute crisis and the early diagnosis of bone infarction and femoral head necrosis are necessary to avoid large bone defects.