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Color Doppler ultrasonographic evaluation of osteomyelitis in children
1Department of Pediatrics, Chang Gung Children's Hospital, College of Medicine, Chang Gung University, Taoyuan, Taiwan.
Insights
Color Doppler sonography can detect advanced pediatric osteomyelitis by identifying vascular flow in the periosteum. Increased flow indicates severe infection, often requiring surgery and correlating with C-reactive protein levels.
Area of Science:
- Pediatric Radiology
- Musculoskeletal Imaging
- Inflammatory Diseases
Background:
- Acute osteomyelitis is a serious bone infection in children.
- Early diagnosis and monitoring of treatment response are crucial.
- Color Doppler sonography offers a non-invasive imaging modality.
Purpose of the Study:
- To evaluate the effectiveness of color Doppler sonography in assessing pediatric acute osteomyelitis.
- To correlate sonographic findings with disease severity and treatment outcomes.
- To determine the role of color Doppler in guiding surgical intervention.
Main Methods:
- Color Doppler ultrasonography was performed on 12 children with suspected osteomyelitis.
- Imaging was conducted at admission and during follow-up to monitor inflammation.
- Sonographic findings were correlated with symptom duration and C-reactive protein levels.
Main Results:
- Periosteal vascular flow on color Doppler was present in patients with symptoms >4 days.
- Absence of flow suggested early-stage osteomyelitis.
- Increased or persistent flow during follow-up indicated advanced disease and correlated with surgical need and elevated C-reactive protein.
Conclusions:
- Color Doppler sonography effectively detects advanced pediatric osteomyelitis.
- It aids in monitoring inflammatory progression during antibiotic therapy.
- This modality can help determine antibiotic efficacy and justify surgical intervention.
Abstract:
We investigated the capability of color Doppler sonography in evaluating acute osteomyelitis in children. Twelve children suspected of having osteomyelitis were evaluated with color Doppler ultrasonography at admission and at regular intervals to observe the inflammatory process of osteomyelitis, determine the response of antibiotic therapy, and predict the need of surgery in these patients. At admission, color Doppler flow within or around the infected periosteum was found in patients with symptoms for 4 days or longer, whereas those with symptoms for less than 4 days showed no color Doppler flow within and around the periosteum. During sonographic follow-up, six cases were found to have increased color Doppler vascular flow within and around the affected periosteum, and two of them had periosteal abscess. They eventually required surgical treatment. Persistent or increased color Doppler flow during follow-up examination correlated with elevated serum levels of C-reactive protein as well. Our study indicated that color Doppler vascular flow within or around the infected periosteum correlated with advanced acute osteomyelitis, and surgery usually was required in these patients. Those with early stage acute osteomyelitis usually showed no vascular flow within or around the infected periosteum. Thus, color Doppler sonography allowed detection of advanced osteomyelitis and revealed the progression of inflammation during antibiotic therapy. Color Doppler ultrasonography might be valuable in determining the efficacy of antibiotic therapy and justifying the need for operation.