In two Chinese siblings with Imerslund-Gräsbeck syndrome, light microscopy of renal biopsies showed no remarkable change. Ultrastructurally, there were small possible focal defects in the glomerular basement membrane. Neither podocytes nor tubular cells showed evident change. No electron dense deposit was found. Our observations on renal ultrastructure differ from the previous five reports. The literature on renal pathology of this syndrome is reviewed.
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Liang et al. (1991) studied this question.
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