Osteochondromas are benign bone growths that result from growth plate cells aberrantly growing away from the growth plate.  This error in ossification (the process by which the cartilaginous growth plate transforms into the growing bone) results in a bump that shouldn't be there.


It is a common benign condition that can require surgery to remove the excessive bone if it is symptomatic to the patient or if it is affecting normal development of the adjacent bone.  These benign bone growths are typically solitary.

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