Fig. 1
From: Infectious sacroiliitis due to group A streptococcus infection during pregnancy: a case report

Magnetic resonance imaging scans of the sacroiliac joints of the pregnant patient with right-sided infectious sacroiliitis at the time of hospitalization. A T2-weighted (T2W), B Short-tau inversion recovery (STIR). Arrow head shows high-intensity signal area in the right sacroiliac joint