Fig. 1From: Gross hematuria can be an impact of severe acute respiratory syndrome coronavirus 2 vaccination on immunoglobulin A nephropathy: a case reporta Glomerular mesangial expansion and hypercellularity (periodic acid–Schiff, ×400). b Moderate-to-intense mesangial staining for IgA (immunofluorescence, ×200). c Moderate-to-intense mesangial staining for C3c (immunofluorescence, ×200). d Mesangial electron-dense deposits (electron microscopy, ×3000)Back to article page