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Fig. 3 | Annals of Occupational and Environmental Medicine

Fig. 3

From: Diagnosis of perinuclear anti-neutrophil cytoplasmic antibody-associated microscopic polyangiitis in silicotics: case report

Fig. 3

Light microscopic examination using PAS staining. Light microscopic examination was performed using special staining with M-trichrome, silver, PAS, and Verhoeff-Van Gieson elastic. Fibrocellular crescents in some glomeruli and chronic interstitial fibrosis in tubulointerstitium were observed. The kidney biopsy was found to be consistent with chronic sclerosing glomerulonephritis with acute tubular necrosis, possibly due to ANCA-associated crescentic glomerulonephritis and arteriosclerosis. The electron microscopic examination revealed totally sclerosed glomeruli which was no specific deposition for ANCA-associated crescentic glomerulonephritis

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