Abstract
We have often experienced Coxitis Simplex in childhood. The purpose of this paper was to investigate the etiology from the serological methods. The results obtained were follows;
1) Clinical examinations were carried out on 28 cases which were initially diagnosed as Coxitis Simplex at Shin Nittetsu Yahata Hospital during a 5-year period from 1971 to 1975.
2) The etiology of Coxitis Simplex may not be only one. It may be trauma, allergy and so on. It was suggested that many cases of Coxitis Simplex was concerned with the infection of Streptococcus hemolyticus in this study.
