Paralytic drop foot and gluteal fibrosis after intramuscular injections

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Napiontek-M. Ruszkowski-K. J-Bone-Joint-Surg-Br. 1993 Jan. 75(1). P 83-5. Eight children with paralytic drop foot after intramuscular injections later developed gluteal fibrosis. Sciatic palsy, presenting as equinovarus or equinus deformity, was diagnosed on average 3.8 months after the intragluteal injections, but gluteal fibrosis was not diagnosed until 5.1 years after the injections. In three patients the equinovarus recurred after surgical correction due to persistent muscle imbalance and the effect of the external rotation contracture of the hip.