Heterotopic ossification in civilians with lower limb amputations.

Objectives: To report the incidence of symptomatic heterotopic ossification (HO) in a defined civilian amputee population, describe its characteristics, and compare these findings to published data in military amputees.

Design: Retrospective chart analysis from July 1998 to July 2009.

Setting: Ambulatory amputee clinic within a large university medical center.