Resumo

SPRONG, F  e  SNYCKERS, C. Traumatic hip dislocation in children: the role of MRI. SA orthop. j. [online]. 2010, vol.9, n.4, pp.78-82. ISSN 2309-8309.

We report a case of traumatic left hip dislocation in a nine-year-old child following the article: Firth GB, Mazibuko AD, Munir M. Traumatic dislocation of the hip joint in children. SAOJ Autumn 2010; 9(1):68-71. This article, as do others, refers to the use of MRI and CT scan in investigating young patients with hip dislocations. These authors conclude that a CT scan or MRI is probably always indicated.¹ In this case report and literature review, we focus on the role of special investigations and the indication to perform either a CT scan or MRI in this young age group. The routine use of MRI and CT scan following hip dislocations in children is probably unnecessary and should only be done when indicated. This includes incongruent joint reduction noted on postreduction plain films and instability after reduction. There is not enough evidence to perform further investigations routinely without indication as they are costly, CT scans expose the child to radiation and MRI may involve anaesthesia or sedation of the child. If indicated, especially in the young child, an MRI scan provides more information and is the investigation of choice.

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