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Bilateral preaxial polydactyly: a possible dominant inheritant.
Minako Nishikawa1, Nagao Bitoh, Fumitaka Kikkawa
1Department of Obstetrics and Gynecology, Nagoya University School of Medicine, Tsurumai 65, Showa-ku, Nagoya 466-0064, Japan.
Archives of Gynecology and Obstetrics
|September 25, 2003
Summary
This study details families with preaxial polydactyly, a condition affecting hands and feet. Autosomal dominant inheritance is suggested, with satisfactory surgical outcomes beneficial for antenatal counseling.
Area of Science:
- Genetics
- Developmental Biology
- Orthopedic Surgery
Background:
- Preaxial polydactyly is a congenital limb malformation affecting the thumb or great toe.
- Understanding its genetic basis and inheritance patterns is crucial for genetic counseling.
- Surgical intervention is often necessary to correct functional and aesthetic impairments.
Observation:
- Families presenting with bilateral preaxial polydactyly in both hands and feet were identified.
- Pedigree analysis indicated a strong likelihood of autosomal dominant inheritance for this trait.
- Multiple associated congenital abnormalities were noted in affected individuals.
Findings:
- The inheritance pattern strongly suggests autosomal dominant transmission of preaxial polydactyly.
- Despite the presence of multiple congenital anomalies, surgical correction yielded favorable outcomes.
- The described cases provide valuable data for the medical community.
Implications:
- These findings contribute to the understanding of polydactyly genetics and inheritance.
- The successful surgical outcomes highlight the potential for effective management of this condition.
- This research is valuable for improving antenatal diagnosis and genetic counseling for affected families.