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Updated: May 13, 2026

A Novel Application of Musculoskeletal Ultrasound Imaging
Published on: September 17, 2013
Musculoskeletal ultrasound of the upper extremity in children
1Section of Pediatric and Musculoskeletal Radiology, C. S. Mott Children's Hospital, Ann Arbor, MI, USA. dpai@med.umich.edu
Insights
Musculoskeletal ultrasound (US) is valuable for pediatric upper extremity injuries, offering advantages over CT and MRI. It effectively images cartilaginous structures and occult fractures without radiation.
Area of Science:
- Pediatric Radiology
- Musculoskeletal Imaging
- Diagnostic Ultrasound
Background:
- Musculoskeletal ultrasound (US) utilization is increasing in pediatric populations.
- Pediatric musculoskeletal imaging presents unique challenges due to cartilaginous ossification centers.
- Ultrasound offers advantages over CT and MRI, including no ionizing radiation and dynamic assessment capabilities.
Purpose of the Study:
- To review pediatric-specific upper extremity pathologies best evaluated with sonography.
- To highlight the utility of musculoskeletal US in pediatric trauma assessment.
Main Methods:
- Review of common pediatric upper extremity pathologies.
- Comparison of ultrasound findings with radiography, CT, and MRI.
- Focus on conditions unique to pediatric patients with cartilaginous structures.
Main Results:
- Musculoskeletal US can assess alignment of unossified structures, occult fractures, physeal separations, and intra-articular bodies.
- Ultrasound is advantageous for evaluating ligamentous injuries and trapped periosteum in pediatric fractures.
- It provides comparable soft tissue evaluation to MRI, often avoiding the need for general anesthesia.
Conclusions:
- Musculoskeletal ultrasound is a crucial imaging modality for pediatric upper extremity trauma and specific pathologies.
- Its ability to image non-ossified structures and dynamic assessment makes it superior in certain pediatric scenarios.
- Ultrasound complements radiography, CT, and MRI in the comprehensive evaluation of pediatric musculoskeletal conditions.
Abstract:
Musculoskeletal US is becoming more widely performed in children. Although overlap between pediatric and adult pathology exists, particularly in older children who have a more mature skeleton, there are significant differences when assessing patients who have cartilaginous ossification centers, particularly in the context of trauma. Lack of ionizing radiation and dynamic imaging capabilities are significant advantages compared to CT and MRI. Although MRI provides excellent evaluation of soft tissues, the need for general anesthesia in a subset of patients is undesirable, particularly when US can provide similar information. Radiography is the primary modality to evaluate trauma; however, musculoskeletal US can be useful to assess alignment of unossified structures, fractures that extend to involve the unossified epiphyses, occult fractures, physeal separation, presence of intra-articular bodies (particularly those that are not ossified), ligamentous injury and the occasionally encountered periosteum trapped between fracture fragments. The purpose of this article is to review commonly encountered pathologies unique to the pediatric upper extremities that are ideally imaged with sonography. Some pathology that overlaps with the adult population such as infection and sports injuries are briefly covered.
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