SPONTANEOUS DISLOCATIONS OF THE HIP JOINT DURING EARLY LIFE

Abstract

Dislocation of the hip joint may be classified as congenital, acquired and acquired nontraumatic, which is also termed pathologic or spontaneous. From November, 1923, to May, 1928, 103 patients with congenital dislocations of the hip joint, six with and twenty-eight with spontaneous dislocations have been admitted to the University Hospital. Numerous articles have appeared in the literature concerning congenital and dislocations; however, comparatively little space has been given to the discussion of spontaneous dislocation of the hip joint, which is undoubtedly more frequent than dislocation, congenital dislocation being the most frequent type. The incidence of dislocation would obviously be greater in an industrial center; in general, it is not a common form of injury. Wilson and Cochran 1 state that traumatic dislocation of the hip joint is an uncommon accident and forms only about 2 per cent of all dislocations. Because the exposure to trauma