Habitual posterior dislocation of the hip
Autori:
Ozren Vrdoljak, Dražen Tufeković, Javor Vrdoljak, Mislav Čimić
Sažetak
Summary
Habitual dislocation is very uncommon in children.We are presenting the case of a 14.5-month old girl with habitual posterior dislocation of the right hip. The onset of symptoms was noticed by her mother at the age of nine months. Dislocation occurred when the hip was flexed, internally rotated and adducted, with a clearly loud acoustic phenomenon of snapping (clunk). The „snapping“ occurred most often during the night while the child was sleeping, but never while walking or weight bearing. The child did not have any difficulties. The diagnosis was set according to anamnestic data, clinical examination, X-ray, CT scan and MRI of the hips. With clinical examination we were able to provoke dislocation in a flexed position, by internal rotation and adduction, but only when the child was completely relaxed. The X-ray, CT scan and MRI revealed no morphological changes of the right hip. Ultrasound of the hip confirmed dislocation. The treatment was conservative with immobilisation of the right hip in abduction and internal rotation within three months.