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Radiological features in Brachmann-de Lange syndrome
S R Braddock1, R S Lachman, C C Stoppenhagen
1Ahmanson Department of Pediatrics, Cedars-Sinai Medical Center, Los Angeles, CA 90048.
American Journal of Medical Genetics
|November 15, 1993
Summary
Radiographic analysis of Brachmann-de Lange syndrome (BDLS) reveals key limb and skeletal anomalies. These findings can improve diagnostic accuracy for individuals with milder forms of this genetic disorder.
Area of Science:
- Genetics
- Pediatrics
- Radiology
Background:
- Brachmann-de Lange syndrome (BDLS) is a genetic disorder characterized by growth deficiency, distinctive facial features, limb abnormalities, and developmental delays.
- Diagnosis can be challenging in mild cases, necessitating improved diagnostic tools.
Observation:
- A review of radiographic findings in 21 BDLS cases and published literature identified characteristic skeletal anomalies.
- Limb defects were often asymmetric and included digital abnormalities (acheiria to oligodactyly) and forearm/elbow malformations (ulnar hypoplasia, radial head dysplasia, elbow fusion).
Findings:
- Radiographic manifestations in BDLS primarily involve limb anomalies, including digital and long bone abnormalities.
- Other observed anomalies include 13 ribs, precocious sternal fusion, and micrognathia.
- Asymmetric limb anomalies and specific digital/forearm/elbow malformations are notable radiographic features.
Implications:
- Identifying these specific radiographic features can enhance diagnostic precision for mildly affected BDLS cases.
- Radiological assessment is crucial for a comprehensive diagnosis of Brachmann-de Lange syndrome.
- Further research into radiographic patterns may aid in understanding BDLS heterogeneity.