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Fibroadipose hyperplasia (FH)
Fibroadipose hyperplasia (FH) manifests as patchy overgrowth of a limb or part of the body. The overgrowth is due to fatty, fibrous and/or blood vessel overgrowth in a particular region of the body. This is usually not evident at birth and the overgrowth typically gets worse over time. The overgrowth is not malignant (i.e. not a cancer) but may cause health and medical issues. Typical issues may be problems walking due to the legs being a different length, problems moving a limb due to the overgrowth and challenges in regular daily activities due to deformity of a body part.