Macrodactyly is the overgrowth of a finger or toe, often resulting it to be abnormally large. It is seen in children and adolescents. This disproportionate overgrowth of the bony and fibrofatty tissue of a finger or toe of the child is usually present since birth.
It is a rare abnormality presenting in 1 out of 1,00,000 live births.
The exact cause is not known. It is definitely not hereditary means it does not run in families. It is related to lipofibromatosis (overdevelopment of the tissues) of the nerve of the finger, vascular malformations, or bony overgrowth.
Macrodactyly can manifest in 2 main forms, including:
It is often associated with syndactyly (joined fingers) in a child.
The presentation of macrodactyly varies with each patient.
A. If the child has static macrodactyly, the affected fingers or toes will be about one and a half times the length and width of the normal adjoining fingers.
B. If the child has progressive macrodactyly, then the involved digits may be huge. This can lead to severe deformities of the foot or hand and can lead to functional impairment also making the child not able to use the hand or foot well.
The following features are seen in the hand or the foot-
MRI is sometimes done to demonstrate other abnormalities present in the overgrown finger or toe.
The main goal of the surgery is to maximize the function of the finger and a better cosmetic match with the other fingers or toes.
In mild cases, only careful observation is advised with regular follow-ups.
In severely deformed fingers or toes or with progressive macrodactyly, surgery is advised which will be done in stages. The surgery cannot be done in a single stage in Macrodactyly as all the components (nerve, vessel, bone, skin, and fat) are larger in the digit.
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Macrodactyly is a rare congenital condition characterized by the overgrowth of one or more fingers or toes. It differs from other hand or finger conditions due to the excessive size of the affected digits.
Macrodactyly is generally considered a congenital anomaly and can result from genetic mutations or spontaneous developmental factors. Contributing factors may include variations in tissue growth during fetal development.
Symptoms of Macrodactyly include disproportionately large fingers or toes, which can impact an individual’s hand function and appearance. The specific symptoms vary based on the affected digits and the degree of overgrowth.
Diagnosis typically involves a clinical examination by a healthcare professional, along with imaging studies like X-rays or MRI to evaluate the size and bone structure of the affected digits.
Kayakriti Clinic specializes in macrodactyly management with a focus on surgical reduction and reconstruction to improve function and aesthetics. Their approach includes a team of experts experienced in hand and foot deformity treatment.
Kayakriti Clinic offers a patient-centric approach to macrodactyly treatment, providing personalized surgical plans, rehabilitation, and post-operative care to optimize digit appearance and function.
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