Tumour transfer to bone graft donor site: a case report and review of the literature of the mechanism of seeding.

Purpose. Transmission of malignant tumour cells to a bone graft donor site is a rare complication of bone grafting.We report a case of seeding of malignant fibrous histiocytoma from the femur to a pelvic bone graft donor site.Discussion. We review the literature, discuss the possible mechanism of tumour transfer and offer advice aimed at avoiding this complication.