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Occult humeral epiphyseal fracture in battered infants
Insights
Complete fracture-separation of the humerus (upper arm bone) is a rare injury in abused infants. Identifying these epiphyseal injuries can be challenging due to unossified centers, with arthrography being helpful but radionuclide scintigraphy limited.
Area of Science:
- Pediatric Orthopedics
- Radiology
- Forensic Medicine
Background:
- Humeral epiphyseal injuries are uncommon in infant abuse cases.
- Radiographic diagnosis is complicated by immature ossification of epiphyseal centers.
Observation:
- Complete fracture-separation of proximal or distal humeral epiphyses can occur in battered infants.
- Arthrography may aid in diagnosis and treatment.
- Radionuclide scintigraphy has limited utility for these specific injuries.
Findings:
- Difficulty in radiographic identification of epiphyseal injuries due to lack of ossified centers.
- Arthrography serves as a valuable diagnostic and therapeutic tool.
- Radionuclide scintigraphy shows limited effectiveness in detecting epiphyseal-metaphyseal injuries.
Implications:
- Highlights the diagnostic challenges in identifying humeral epiphyseal injuries in infants.
- Suggests arthrography as a preferred imaging modality.
- Underscores the limitations of radionuclide scintigraphy in this context.
Abstract:
Complete fracture-separation of humeral epiphyses, proximal or distal, represents unusual skeletal injuries in the battered infant. Radiographic identification of the type and extent of epiphyseal injury may be difficult due to lack of ossified epiphyseal centers. While arthrography can be a useful diagnostic and therapeutic supplement, radionuclide scintigraphy appears to be of limited value in the detection of such epiphyseal-metaphyseal injuries.