Fig. 2From: Muscle B mode ultrasound and shear-wave elastography in idiopathic inflammatory myopathies (SWIM): criterion validation against MRI and muscle biopsy findings in an incident patient cohortA US showing more heterogenous marked echogenicity in the vastus lateralis in a patient with IBM. B Corresponding MRI showing T1 (not fat-suppressed) uptake in the vastus lateralis in a patient with IBMBack to article page