PMC3398623_01
MRI of the pelvis: on T2-weighted images an increase of the signal intensities of the left sacroiliac joint and increase of the signal of the iliacus and gluteal muscles. Also there was a little effusion in the left sacroiliac joint.
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fig1
Also there was a little effusion in the left sacroiliac joint (Figure 1).
PMC3398623_02
CT of the pelvis revealed apparent widening of the right sacroiliac joint with infiltration, edema of the soft tissue surrounding the joint, and presence of microabscess in the right iliacus muscle.
CRIM2012-415323.002.jpg
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fig2
All these findings suggested right pyogenic sacroiliitis joint (Figure 2).
CT of the pelvis showed signs of right sacroiliitis with infiltration and microabscess of the soft tissue, surrounding the joint with erosions of the subchondral iliac bone.
CRIM2012-415323.003.jpg
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fig3
CT of the pelvis was performed fifteen days after the first CT; it showed signs of right sacroiliitis with infiltration and microabscess of the soft tissue, surrounding the joint with erosions of the subchondral iliac bone (Figure 3).