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Sequential magnetic resonance imaging in Perthes' disease
Abstract:
Forty-eight images using magnetic resonance imaging (MRI) in 16 hips with Perthes' disease were evaluated over a mean period of two years. MRI depicted exactly the infarcted zone in the femoral head before typical radiological changes were evident. Early determination of the extent of the infarcted bone on MRI benefits those patients who require treatment. Follow-up MRI scans at six-monthly intervals, reflected the chronological stages of the repair process in each group classified according to Catterall.
Insights
Magnetic resonance imaging (MRI) accurately identifies early femoral head infarction in Perthes disease, aiding treatment decisions. Serial MRI scans track the disease
Area of Science:
- Orthopedics
- Pediatric Orthopedics
- Radiology
Background:
- Perthes disease affects the femoral head in children.
- Early diagnosis is crucial for effective treatment.
- Conventional radiography may show changes later in the disease progression.
Purpose of the Study:
- To evaluate the utility of magnetic resonance imaging (MRI) in diagnosing and monitoring Perthes disease.
- To determine if MRI can detect early infarction in the femoral head.
- To assess the role of MRI in tracking the stages of healing.
Main Methods:
- Retrospective analysis of 48 MRI scans from 16 children with Perthes disease.
- Mean follow-up period of two years.
- Serial MRI scans performed at six-monthly intervals.
Main Results:
- MRI precisely identified the infarcted zone in the femoral head before radiological signs were apparent.
- Early detection of infarction extent by MRI is beneficial for treatment planning.
- Follow-up MRIs correlated with Catterall's classification stages of healing.
Conclusions:
- MRI is a valuable tool for early diagnosis of Perthes disease.
- MRI enables precise assessment of the extent of femoral head infarction.
- Serial MRI monitoring aids in understanding and managing the disease progression and healing stages.