SIXTEENTH REPORT OF PROGRESS IN ORTHOPEDIC SURGERY

CONGENITAL CONDITIONS  Steindler¹ describes twenty-five cases of congenital malformations and deformities of the extremities, and discusses their treatment by means of both original and classical methods. He finds in many cases an hereditary tendency and coexisting deformities. He believes that in the majority predevelopmental errors are the etiologic factors.Torticollis.—Meyerding² has observed only twenty-six cases of congenital torticollis in nine years at the Mayo Clinic, and considers the deformity rather rare. In their treatment he has employed the generally accepted surgical method of dividing by open operation all tight structures and retaining the corrected position by plaster-of-Paris casts.Fragilitas Ossium (Osteogenesis Imperfecta).—Frontali³ reports a typical case of fragilitas ossium in which the thymus gland showed both atrophy and sclerosis. The other glands of internal secretion were normal. He maintains that examination of the thymus ought to be made in all cases of this type.Congenital