What is Macrodactyly

Local gigantism or localised gigantism is a condition in which a certain part of the body acquires larger than normal size due to excessive growth of the anatomical structures or abnormal accumulation of substances.

It is more common in fingers and toes, where it is termed macrodactyly.

However, sometimes an entire limb may be enlarged.

Read more...https://en.wikipedia.org/wiki/Local_gigantism

Macrodactyly in Children
Macrodactyly is an uncommon condition in which a baby’s toes or fingers are abnormally large due to the overgrowth of the underlying bone and soft tissue.

The condition is congenital, meaning babies are born with it.

Read more...http://www.childrenshospital.org/conditions-and-treatments/conditions/macrodactyly