case_images: PMC11731116_01
case_images: Kidney biopsy. (A) Periodic-acid silver methenamine staining shows arteriole wall thickening, mucinous degeneration, and intimal onion-like hyperplasia, leading to official lumen stenosis, occlusion (x200). (B and C) Immunofluorescent images of frozen sections are negative for immunoglobulin and complement. (D) Electron microscopy shows segmental thickening of the glomerular basement membrane, widening of some subendothelial spaces with double-track signs. Scale bar = 5 mum.
case_images: medi-104-e41186-g001.jpg
case_images: PMC11731116_01_medi-104-e41186-g001.jpg
case_images: F1
case_images: Please combine it with clinical practice and be careful to exclude malignant hypertensive renal damage (Fig. 1).