Fibrous Dysplasia
Alternate Names : Idiopathic Fibrous Hyperplasia, Inflammatory Fibrous Hyperplasia
Definition
Fibrous dysplasia refers to a group of conditions that destroys and replaces normal bone with cystic bone growth. There are three types:
- Mono -- one bone is affected
- Polyostic -- several bones are affected
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McCune Albright -- in addition to the bone abnormalitis, there are skin pigmentation and endocrine abnormalities.
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Overview, Causes, & Risk Factors
The condition occurs in childhood, usually between 3 and 15 years of age, with bone lesions and possibly unusual skin pigmentation and endocrine abnormalities. The bone lesions may stop at puberty. The condition is not hereditary and the cause is unknown.
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