Heterotopic ossification is a well-recognized condition frequently enc
ountered by the orthopedic surgeon, Although typically asymptomatic, h
eterotopic ossification can be a complication of extreme severity, Thi
s article is a review of literature and attempts to clarify the defini
tion, and delineates the etiology, incidence, risk factors, and curren
t modes of prophylaxis and treatment of various types of heterotopic o
ssification.