fibrous dysplasia is a fairly common , well demarcated , misdifferentiation of the bone-forming mesenchyme affecting a single , several , or many bones , in which skeletal changes are the salient feature , but in which certain endocrinopathies , abnormal pigmentation of skin and mucous membranes , and occasionally other abnormalities form part of the entire disease process .
C0259779
fibrous dysplasia
C0262950
bones