Sinovitis Transitoria de Cadera. Estudio Prospectivo de su Epidemiología y Valoración Diagnóstica.

The authors carried out a prospective study on 62 cases of AcuteTransient Synovitis of the Hip in 59 patients. The follow up was six years. Theaverage annual incidence was 3,57 per 10.000 population younger than 10 years,and the risk of recurrence was 300 greater than the risk of having a singleepisode.The greatest frequency was observed in Spring and Autum.In most cases, the values of laboratory test and standard Rx was normal, weobserved no classic indirect signs from articular effusion.Perthes'disease was diagnosed in two cases, but in retrospective review ofthe initial radiographs revealed sings of avascular necrosis in one of them, andthe another case has had completely normal radiograph.For the differential diagnosis and follow-up, the bone scintigraphy has arelevant importance.

The authors carried out a prospective study on 62 cases of AcuteTransient Synovitis of the Hip in 59 patients. The follow up was six years. Theaverage annual incidence was 3,57 per 10.000 population younger than 10 years,and the risk of recurrence was 300 greater than the risk of having a singleepisode.The greatest frequency was observed in Spring and Autum.In most cases, the values of laboratory test and standard Rx was normal, weobserved no classic indirect signs from articular effusion.Perthes'disease was diagnosed in two cases, but in retrospective review ofthe initial radiographs revealed sings of avascular necrosis in one of them, andthe another case has had completely normal radiograph.For the differential diagnosis and follow-up, the bone scintigraphy has arelevant importance.