Figure 1. (Left - H&E, 20x; Right - IHC of MHC Class I, 20x) Left: Muscle showing atrophy and chronic inflammation in the endomysium. Right: Muscle showing diffuse upregulation of MHC class I molecules

From

Anti-EJ Antisynthetase Syndrome Associated with Mycobacterium Tuberculosis Infection

Michael Trevisonno, Daniel E. Diaz, Steven S. Chin, FCAP Jenny Libien, Yamen Homsi

American Journal of Medical Case Reports. 2020, 8(9), 306-310 doi:10.12691/ajmcr-8-9-12