The Journal of Bone and Joint Surgery, Vol 68, Issue 7 970-980, Copyright © 1986 by Journal of Bone and Joint Surgery, Inc
The early identification and classification of growth disturbances of the proximal end of the femur
T O'Brien, MB Millis and PP Griffin
An analysis of the serial radiographs of sixty-eight patients who were
treated for congenital dislocation of the hip revealed that a growth
disturbance of the proximal end of the femur that was caused by partial or
complete physeal closure developed in thirty-three of these patients. The
disturbances were related to the character of the metaphyseal
growth-disturbance lines and were subsequently classified according to the
site and extent of physeal closure. In order to study this problem, we
divided the physis of the proximal end of the femur into two contiguous
sections: a medial and a lateral portion. Two typical patterns of premature
closure were identified: one located at the junction of the medial and
lateral portions of the physis and the other located in the area of the
medial portion of the physis alone. The pattern of physeal closure,
together with the age of the patient at the time of closure, determines the
subsequent growth of the proximal end of the femur. The final outcome of
growth of the proximal end of the femur can be predicted within six months
after the initial treatment. Epiphyseal changes were found to be of no
prognostic significance in the absence of physeal closure.