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Related Experiment Videos

Different manifestations of hyperphalangism.

V E Wood1

  • 1Department of Hand Surgery Service, Loma Linda University Medical Center, Calif. 92350.

The Journal of Hand Surgery
|November 1, 1988
PubMed
Summary
This summary is machine-generated.

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Hyperphalangism, a rare congenital anomaly, involves an extra phalanx in fingers. This condition presents with varied manifestations and can be inherited or part of broader congenital abnormalities.

Area of Science:

  • Medical Genetics
  • Developmental Biology
  • Orthopedics

Background:

  • Hyperphalangism is a rare congenital anomaly characterized by the presence of an extra phalanx in a digit.
  • This condition affects finger and toe bone development, leading to variations in limb structure.

Observation:

  • The study presents five distinct cases illustrating the diverse clinical manifestations of hyperphalangism.
  • Observations highlight the spectrum of this anomaly, from isolated findings to complex presentations.

Findings:

  • Brachyhyperphalangism, a subtype, can exhibit autosomal dominant inheritance with good penetrance.
  • The findings suggest that hyperphalangism may occur as an isolated trait or as part of a syndrome involving multiple congenital abnormalities.

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Implications:

  • Understanding the inheritance patterns and varied presentations is crucial for accurate diagnosis and genetic counseling.
  • Further research into the genetic and developmental pathways underlying hyperphalangism can inform clinical management and therapeutic strategies.