MAGNETIC RESONANCE IMAGING FEATURES OF ACUTE OSTEOMYELITIS IN PEDIATRIC

Sang Nguyễn Văn, Ninh Trần Phan, Lục Trần Quang, Huế Đàm Thị

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Abstract

Objective: Description of magnetic resonance imaging features of acute osteomyelitis in children. Subjects and methods: 123 pediatric patients with clinically suspected acute osteomyelitis, underwent magnetic resonance imaging and had results confirmed by surgery or biopsy at the National Children's Hospital. Results: There were 92 pediatric patients with confirmed osteomyelitis based on surgery or biopsy. In the cases of osteomyelitis on MRI, 88% of cases had low signal intensity on T1W; 77.2% of cases had high signal intensity on T2W; 91.3% of cases had high signal intensity on STIR; 94.6% of cases had contrast enhancement after injection. The most common secondary symptom on MRI was intra-bone abscess, accounting for 90.2% of cases. MRI helps to evaluate local complications well: soft tissue abscess and adjacent arthritis. Conclusions: On MRI, osteomyelitis has low signal intensity on T1W, high signal intensity on T2W and STIR, and peripheral enhancement after injection. Intraosseous abscess is the most common secondary sign.

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References

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