Chronic ischial tuberosity avulsion nonunion fracture treated with a platelet-rich plasma injection as a bone graft.

We present a case of an 18-year-old with a 2-year history of buttock pain who failed extensive treatment for a perceived hamstring strain. Upon evaluation, he was diagnosed with an ischial tuberosity nonunion avulsion fracture. The patient underwent bone grafting via an ultrasound guided leukocyte rich platelet-rich plasma injection followed by the use of a bone stimulator to enhance the bone healing.