PMC4719202_01
Axial (a) and coronal (b) abdomen and pelvis computed tomography scan with intravenous contrast showing bilateral psoas muscle abscesses (arrows)
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Fig1
An abdomen computed tomography (CT) was subsequently performed, 50 days after onset of symptoms, and showed large bilateral psoas abscesses: the right measuring 13x8x5 cm and the left 9x5x3.5 cm (Fig. 1).