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Holzgreve syndrome: recurrence in sibs
I T Thomas1, G M Honore, T Jewett
1Department of Pediatrics, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, NC 27157.
American Journal of Medical Genetics
|March 15, 1993
Summary
This study identifies the first familial cases of Holzgreve syndrome in siblings with varying cardiac and renal abnormalities. These findings highlight the syndrome's phenotypic variability and aid in its further definition.
Area of Science:
- Genetics
- Pediatric Cardiology
- Nephrology
Background:
- Holzgreve syndrome is a rare genetic disorder.
- Previous cases have not established a clear familial link.
- Understanding familial patterns is crucial for genetic counseling.
Observation:
- Two siblings presented with distinct congenital anomalies.
- The first sibling had hypoplastic left heart sequence and renal hypoplasia.
- The second sibling exhibited a complex congenital heart defect, renal agenesis, and cleft lip and palate.
Findings:
- These cases are proposed as the first familial examples of Holzgreve syndrome.
- The affected siblings display significant phenotypic variability.
- The findings support a genetic basis for Holzgreve syndrome.
Implications:
- This study expands the known spectrum of Holzgreve syndrome.
- It underscores the importance of family history in diagnosing rare genetic disorders.
- Further research can refine diagnostic criteria and genetic counseling for Holzgreve syndrome.