Figure 5.

Healing course after autologous cell therapy with bone marrow aspiration concentrate (“BMAC”) augmented with HA granules in a 4-year old male patient with a large aneurysmal bone cyst of the proximal femur. Ten months after surgery, relevant new bone formation starting within the transplant is observed in computed tomography scan (star, *). The clinical and radiological 3.5 year follow up after treatment showed no recurrence and an asymptomatic patient. Based on the reduced amount of autologous bone available for grafting, pediatric patients in particular might benefit from the minimally invasive cell therapy.