A school-age child with a history of spontaneous fractures has coxa vera present on a recent hip x-ray. What should this finding indicate to you?

Question

Quizplus · Accepted Answer

Coxa vera, a deformed hip joint in which the neck of the femur is bent downward with the acute angle of the femur head less than 120 degrees causing a change in the hip socket, is a characteristic of type VII OI. Type I OI is the mildest form of the disorder. Hearing loss and change in teeth color are associated with types I, III, and IV OI.

A School-Age Child with a History of Spontaneous Fractures Has