Dabigatran-induced anticoagulant-related nephropathy with undiagnosed IgA nephropathy in a patient with normal baseline renal function

摘要

Macroscopic hemorrhagic lesions in renal biopsy specimens (arrows). Glomerulus with normal mesangial matrix and cellularity (periodic acid-Schiff stain, magnification × 400). Red blood cells casts and acute tubular injury (hematoxylin–eosin stain, magnification × 200). Interstitial hemorrhage (hematoxylin–eosin stain, magnification × 400). Glomerular mesangial IgA deposits (magnification × 200). Electron-dense deposits in mesangial area (arrow) (magnification × 4,000)