Figure 2From: Brucellosis presenting as piriformis myositis: a case report Axial short tau inversion recovery (STIR) image; MRI scan taken at the time of antibiotic treatment initiation. The right piriformis muscle is enlarged, bulging anteriorly, with high signal intensity within and loss of definition of its muscle striations, consistent with edema. Compare to the normal piriformis muscle on the left.Back to article page