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Protrusio acetabuli in Marfan's syndrome
Clinical Orthopaedics and Related Research
|March 1, 1980
Summary
Protrusio acetabuli, a hip joint abnormality, is common in Marfan syndrome patients. This condition involves a deep acetabulum and may stem from the same connective tissue disorder causing other skeletal issues in Marfan syndrome.
Area of Science:
- Orthopedics
- Genetics
- Rheumatology
Background:
- Marfan syndrome is a genetic disorder affecting connective tissue.
- Skeletal abnormalities are common in Marfan syndrome, including scoliosis and chest deformities.
Purpose of the Study:
- To investigate the prevalence and characteristics of protrusio acetabuli in patients with Marfan syndrome.
- To compare hip joint measurements in Marfan syndrome patients with a control group.
Main Methods:
- Retrospective review of 14 patients diagnosed with Marfan syndrome.
- Radiographic assessment of protrusio acetabuli using center edge (CE) angle and teardrop measurements.
- Comparison of CE angles between the Marfan group and a control group.
Main Results:
- Protrusio acetabuli was identified in all 14 Marfan syndrome patients.
- The average CE angle in the Marfan group (43.4 degrees) was significantly higher than in the control group (33.1 degrees).
- The condition was unilateral in 8 patients and bilateral in 6. One case was associated with chondrolysis.
Conclusions:
- Protrusio acetabuli is a frequent finding in Marfan syndrome.
- This hip abnormality may be linked to the underlying connective tissue disorder responsible for other Marfan-related skeletal manifestations.