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Dilemmas in counselling: the EEC syndrome
K Tse1, I K Temple, M Baraitser
1Clinical Genetic Counselling Service, Queen Elizabeth Hospital, Kowloon, Hong Kong.
Journal of Medical Genetics
|December 1, 1990
Summary
This study reports a family with EEC syndrome, highlighting its variable autosomal dominant inheritance. The condition presents differently in siblings and their mother, posing genetic counseling challenges.
Area of Science:
- Genetics
- Clinical Medicine
- Human Disease
Background:
- EEC syndrome is a rare genetic disorder.
- It is characterized by ectrodactyly, ectodermal dysplasia, and clefting.
- The condition exhibits variable autosomal dominant inheritance.
Observation:
- A family with EEC syndrome was studied.
- Two siblings presented with the classical form of the syndrome.
- The mother displayed minimal symptoms, including polydactyly and syndactyly.
Findings:
- The study demonstrates significant phenotypic variability in EEC syndrome within a single family.
- Autosomal dominant inheritance patterns can manifest with diverse clinical presentations.
- Genetic counseling requires careful consideration of variable expressivity.
Implications:
- Understanding variable expressivity is crucial for accurate genetic diagnosis and counseling.
- Further research into the genetic underpinnings of EEC syndrome variability is warranted.
- This case highlights the importance of thorough family history assessment in genetic disorders.