Ear Nose Throat J. 2003 Apr;82(4):259.
FIRST PARAGRAPH: Fibrous dysplasia (fibro-osseous metaplasia) is one of a diverse group of diseases that are characterized by alterations in bone growth. It is a developmental, tumor-like process of unknown etiology. Its initial clinical sign is usually a painless enlargement of the affected bone. It occurs in equal proportions in males and females, most often during the first two decades of life.
PubMed ID: 12735156
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