Congenital Limb Disorders
A newborn is noted to have circumferential skin indentations around the middle and ring fingers of the left hand with fusiform swelling distal to the bands. The fingertips appear normal but there is syndactyly between the distal tips of the ring and little fingers with separation at the base (fenestrated web). No other anomalies are identified on examination. The pregnancy was uncomplicated. Regarding congenital constriction band syndrome:
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Congenital constriction band syndrome (also called amniotic band syndrome, Streeter dysplasia, or co...
Acrosyndactyly (fenestrated syndactyly) is a characteristic finding where digits are joined at the t...
Constriction band syndrome follows autosomal dominant inheritance; it is always bilateral and symmet...
The Patterson classification grades severity: Type I (simple ring constriction with no distal lymphe...
Associated anomalies are common and include: limb deficiencies (amputation from complete strangulati...
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