Clinical Utility of Neutrophil CD64 to Detect Extrapulmonary Tuberculosis in Three Patients with Rheumatoid Arthritis Undergoing Treatment with Biologics

Figure 4

(a) Chest CT scan image at the time of admission. Diffuse particulate shadows are shown in the whole-lung field at random; (b) noncaseating epithelioid granuloma was observed in bronchial and alveolar specimens obtained through bronchoscopy (hematoxylin and eosin (H & E) stain; magnification x400); (c) a cellulitis-like lesion on the patient’s right lower limb; (d) biopsy specimens from cellulitis also revealed erythema induratum of Bazin (H & E stain; magnification x400) (case 2).