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Definition of Focal gigantism

Focal gigantism: 1. The excessive growth of a specific body part such as a hand or foot, as with increased blood supply to that part. 2. The excessive growth of a combination of particular body parts, as is characteristic of a congenital malformation syndrome called the Wiedemann-Beckwith syndrome.

Focal gigantism may occur before or after the bones fuse. If it occurs afterwards, it causes disfigurement, as in acromegaly. Surgery for mass reduction may sometimes improve function.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=25100
Last Editorial Review: 6/14/2012

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