Familial Spontaneous Pneumothorax
1 Department of Pediatrics, Child Development Institute, and Curriculum in Genetics, University of North Carolina, Chapel Hill
A family is described in which four persons in three generations suffered spontaneous pneumothoraces: a newborn, an infant, an adolescent, and an adult. Review of the literature reveals 61 reports of familial spontaneous pneumothorax in 22 families. The ratio of male to female cases is approximately 1.8. Affected parents and affected children (including affected fathers and sons) are seen in ten families, while affected siblings with unaffected parents are noted in 13 families. Consanguinity has not been reported. Although autosomal dominant inheritance has been suggested as an explanation of familial spontaneous pneumothorax, available pedigree data are not adequate for statistical analysis. Physicians should be aware of the familial occurrence of spontaneous pneumothorax so that members of such families may be appropriately managed when problems arise.
Submitted on October 2, 1978Accepted on December 28, 1978
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