Abstract
A case of a male, 18 aged student, whose left hip joint acutely reduced to atrophic condition in about one month after suffering from cleftlike fracture of the same side pubis and ischium was reported. Characteristic roentgenological findings of the hip joint altered with the advancement of this disease.
Atrophy of the femoral head was gradually repaired in about 19 months in spite of appearance of partial necrosis in it, but changes of the acetabulum have developed to “protrusio” with a few functional disturbances.
Cause of this disease was considered to be some vascular disorders occurred in succession of the trauma as well as cases of Sudeck's atrophy of the hands or the foot.