PMC8134725_01
MRI findings. a High intensity lesion around antebrachial muscles on T2 STIR implied abscess formation. b Low intensity lesion at distal radius on T1WI indicated osteomyelitis.
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Three days after being admitted, the T2-weighted short-tau inversion recovery and T1-weighted MRIs revealed high-intensity lesion around the antebrachial muscles and a low-intensity area at the distal radius, respectively (Fig.1).
Clinical course.
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The vancomycin was discontinued, and cefazolin was substituted with meropenem (40 mg/kg, q8h) considering extended-spectrum beta-lactamase producing Escherichia coli (Fig.2).