Figure 4From: The “dot-in-circle” sign in musculoskeletal mycetoma on magnetic resonance imaging and ultrasonographyMRI findings of the foot with mycetoma: (a) and (b) Sagittal STIR MR images show multiple, small, round-to-spherical hyperintense lesions separated by peripheral hypointense tissue. Some of the lesions contain a central hypointense dot, resulting in the ‘dot-in-circle’ sign (arrows). The surrounding hyperintense inflammatory soft-tissue changes are also seen.Back to article page