A Rare Combination of Heptadactyl and Hexadactyl Polydactyly in a Neonate
Jagdish Mujalda1, Anshu Mujalda2, Deepak Reddy3
1Paediatrics, Military Hospital Ambala, Ambala, IND.
Insights
This study reports the first known case of an infant born with both heptadactyly (seven digits) and hexadactyly (six digits). These rare polydactyly disorders typically affect limb development.
Area of Science:
- Medical Genetics
- Developmental Biology
- Congenital Disorders
Background:
- Polydactyly encompasses rare congenital disorders affecting limb development.
- Common classifications include preaxial, postaxial, and central polydactyly.
- Heptadactyly and hexadactyly are specific, less common forms.
Observation:
- The simultaneous occurrence of heptadactyly and hexadactyly in a single infant is unprecedented.
- This case presents a unique combination of limb abnormalities.
Findings:
- A single infant was diagnosed with both heptadactyly and hexadactyly.
- This finding expands the known spectrum of polydactyly presentations.
Implications:
- This case highlights the variability in congenital limb malformations.
- Further research may elucidate the genetic and developmental mechanisms underlying combined polydactyly types.
- Clinical awareness of such rare combinations is crucial for accurate diagnosis and management.
Abstract:
Heptadactyly and hexadactyly are rare congenital disorders from the polydactyly family. This type of polydactyly is usually classified into three major groups: preaxial (medial ray), postaxial (lateral ray), and central polydactyly. The most common presentation is both preaxial and postaxial polydactyly. The occurrence of heptadactyly and hexadactyly has been reported but the presence of both in the same infant has not been reported yet. We report the presence of both these abnormalities in the same infant.
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