Presentation
Left foot drop and inability to walk after IM injection to the left gluteal region.
Patient Data
Age: 2 years
Gender: Female
From the case:
Post-injection sciatic nerve injury
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Thickened striated portion of the left sciatic nerve having altered signal intensity posterior to the left ischial spine and between the left gluteus maximus and gluteus medius muscles, measuring about 4.5 cm in length, with evidence of mixed T2 hypo/hyperintense and T1 iso/hyperintense signals, suggestive of oedema and blood content within the nerve.
Case Discussion
Post-injection sciatic nerve injury is a rare complication in children, and it is usually secondary to intramuscular injection.
The best site of intramuscular injection in infants and young children is the middle of the outer thigh, to avoid this complication.
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