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Familial primary spontaneous pneumothorax consistent with true autosomal dominant inheritance
P J Morrison1, R C Lowry, N C Nevin
1Department of Medical Genetics, Belfast City Hospital Trust, UK.
Thorax
|June 13, 1998
Summary
This study describes a rare family with spontaneous pneumothorax, suggesting an autosomal dominant inheritance pattern. This genetic form of pneumothorax may be a distinct clinical condition.
Area of Science:
- Genetics
- Pulmonology
- Clinical Medicine
Background:
- Spontaneous pneumothorax (SP) is a condition where air leaks into the space between the lung and chest wall.
- While often idiopathic, genetic factors are increasingly recognized in recurrent or familial cases.
Observation:
- A family with a father and three children (two sons, one daughter) affected by spontaneous pneumothorax was documented.
- The affected individuals displayed a significant variation in age of onset, spanning up to 13 years.
Findings:
- The inheritance pattern observed in this family is consistent with autosomal dominant inheritance.
- Two instances of male-to-male transmission were noted, further supporting autosomal dominant inheritance.
Implications:
- Isolated autosomal dominant pneumothorax is proposed as a distinct clinical entity.
- Understanding the genetic basis of SP can aid in diagnosis, genetic counseling, and potentially targeted therapies.
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