Fig. 3From: Hypercapnic respiratory failure during pregnancy due to polymyositis-related respiratory muscle weakness: a case reportMagnetic resonance images of both thighs. a Coronal short T1 inversion recovery image. b Axial short T1 inversion recovery image. Diffuse hyperintensity in thigh muscles suggestive of edema – (i) vastus lateralis, (ii) vastus medialis, and (iii) adductor magnusBack to article page