(a) Magnetic Resonance Imaging (T2W) of muscles around the right shoulder joint and right anterior chest region showing areas of increased signal intensities with areas of myositis, muscle swelling (red arrows), and subcutaneous edema. (b) Magnetic Resonance Imaging (T2W) of the muscles around the left shoulder joint revealing areas of hyperintensities suggestive of necrosis (yellow arrows) and inflammation of muscles with subcutaneous edema.
