Fig. 3From: Successful resumption of tocilizumab for rheumatoid arthritis after resection of a pulmonary Mycobacterium avium complex lesion: a case reportPhotograph and photomicrographs of the lung. a Photograph of a cross-sectional specimen from the resected right upper lung. b Photomicrographs showing an epithelioid granuloma with necrosis (bar, 5 mm). c Photomicrographs showing an epithelioid granuloma with necrosis (bar, 500 μm). d Photomicrograph showing Langhans giant cells (arrowheads) and epithelioid cells (arrow) (bar, 100 μm)Back to article page