A case of anterior inferior iliac spine fracture in 13-year-old twins is reported. Anterior inferior iliac spine avulsion fracture in adolescent remains a little known entity. We report identical fractures sustained 1 year apart in twin brothers with the same mechanism. Both recovered fully after conservative treatment. A review of the literature retrieved only a few reports of cases. Of interest were the delay between both the fractures and the difference in height between the two individuals. This lesion is likely to be multifactorial with different factors among which are genetics, age, and skeletal maturation, repeat bone stress along with acute indirect trauma.

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