• Journal of Korean Foot and Ankle Society
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• v.11 no.2
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• pp.244-247
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• 2007

Cause of flexible flat foot is predominantly idiopathic but pediatric flexible flatfoot is typically congenital. Neuromuscular disorders, tarsal coalition and prehallux are possible causes and there has been a controversy for diagnosis and surgical treatment guideline. Therefore we present 11-year old male with prehallux and flexible flat foot who was treated with Kidner procedure and subtalar arthroereisis using Kalix endoprothesis and reported good clinical outcome at 2-years follow up postoperatively.