Fig. 3 Transverse spectral fat-suppressed T2-weighted images obtained from two patients presenting with a myotonic dystrophy type 1 (A: 37-year-old woman; B: 16-year-old boy). The images were obtained during a multi-sequence whole-body muscle MRI protocol. In both patients, dilatation of the oesophagus in the proximal segment with the air-fluid level could be diagnosed, which was clinically reflected by dysphagia