Fig. 5From: Mediastinal lymphadenopathy in sarcoidosis: Can diffusion MRI play a role in its evaluation?a Coronal T2WI, b axial T1WI, c, e diffusion-weighted MRI image, d, f ADC map showing right paratracheal, bilateral hilar, subcarinal and posterior mediastinal lymph nodes which display isointense signal on T1 and hyperintense on T2 WI. They appear faintly hyperintense on DWI with dark signal in ADC map. The mean ADC value is 1.28 × 10−3 mm2/sBack to article page