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Congenital constriction band syndrome
Congenital Constriction Band Syndrome
This occurs when a tissue band forms around a digit (finger) or limb (arm), causing problems that can affect blood flow and normal growth. Ring constrictions are congenital (present at birth). This condition may be associated with other problems such as clubfoot, cleft lip, cleft palate, or other craniofacial anomalies. The cause of the ring constrictions is unknown. Some theories suggest that amniotic banding may lead to ring constrictions around a finger or limb.
With this condition, there are four degrees of severity, including the following:
- Simple constrictions
- Constrictions that cause deformities beyond the constriction
- Constrictions that are associated with the fusion of parts of the finger
- Constrictions so severe that part of the finger will need to be amputated from the process