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 Indian J Med Microbiol  
 

Figure 2 (A-D): Role of MRI in evaluation of mediastinal lymphadenopathy in suspected case of sarcoidosis/TB. (A) 40-year-old man with sarcoidosis. Axial T2 FS MR image shows enlarged discrete bilateral hilar (solid arrow) and subcarinal lymph nodes (dashed arrow) showing heterogeneously hyperintense signal. No internal necrosis. (B) Axial post gadolinium T1 FS image shows mild heterogeneous enhancement. (C) 18-year-old girl with lymph nodal tuberculosis. Axial T2 FS image shows conglomerate necrotic right paratracheal lymphadenopathy showing hypointense core suggestive of caseous necrosis and hyperintense rim (black arrow). (D) Axial post gadolinium T1 FS image shows rim enhancement in lymph nodes similar to CECT (black arrow)

Figure 2 (A-D): Role of MRI in evaluation of mediastinal lymphadenopathy in suspected case of sarcoidosis/TB. (A) 40-year-old man with sarcoidosis. Axial T2 FS MR image shows enlarged discrete bilateral hilar (<i>solid arrow</i>) and subcarinal lymph nodes (<i>dashed arrow</i>) showing heterogeneously hyperintense signal. No internal necrosis. (B) Axial post gadolinium T1 FS image shows mild heterogeneous enhancement. (C) 18-year-old girl with lymph nodal tuberculosis. Axial T2 FS image shows conglomerate necrotic right paratracheal lymphadenopathy showing hypointense core suggestive of caseous necrosis and hyperintense rim (<i>black arrow</i>). (D) Axial post gadolinium T1 FS image shows rim enhancement in lymph nodes similar to CECT (<i>black arrow</i>)