PMC3482085_01
Intraluminal microthrombi.
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F1
RNA was negative, as were all other autoimmune screens. Renal biopsy revealed diffuse mesangiocapillary glomerulonephritis accompanied by hyaline capillary thrombi with focal mild endarteritis affecting the intimal zone of one small artery consistent with cryoglobulinaemic vasculitis (fig. 1, fig. 2).