VIM and sarcoidosis: There is no clinical observation-based evidence for intracellular pathogen inside the sarcoidosis granuloma, yet few studies have demonstrated the plausible presence of dormant mycobacterium (Esteves et al., 2016) in vimentin-positive antigen-presenting cells (Wahlstrom et al., 2007; Chen et al., 2008; Wahlstrom et al., 2009).