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Insights into Imaging
Fig. 15 | Insights into Imaging

Fig. 15

From: Fasciae of the musculoskeletal system: normal anatomy and MR patterns of involvement in autoimmune diseases

Fig. 15

a Axial and (b) coronal STIR images of the thighs of a 16-year-old female with dermatomyositis and anti-TIF1-γ antibodies. MRI demonstrates bilateral symmetrical involvement of the muscles mostly in the quadriceps and gracilis muscles. Blood level of creatine phosphokinase (CPK) was normal. At MRI, involved muscles are heterogenous with a “salt and pepper” pattern in the axial plane (arrowheads) while they maintain a fibrillar organization with fluid signal intensity (white arrows) and low signal intensity (black arrows) striations in the coronal plane

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