Testing & Diagnosis for Macrodactyly in Children

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How is macrodactyly diagnosed?

Most of the time, a child’s macrodactyly is obvious soon after birth. Occasionally, however, the progressive type may not be detected until later in infancy, when continued enlargement occurs.

Your child’s doctor will perform the following diagnostic tests to determine which underlying layers of tissue are enlarged:


A diagnostic test that uses invisible electromagnetic energy beams to produce images of internal tissues, bones and organs on film.

Magnetic Resonance Imaging (MRI)

A diagnostic procedure that uses a combination of large magnets, radiofrequencies and a computer to produce detailed images of organs and structures within the body.

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