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Thin basement membrane nephropathy(TBMN) is defined histologically as follows : 1) By light microscopy only minor abnormalities are detected in the glomeruli at most minor mesangial widening. 2) By electron microscopy, diffuse thinning of glomerular basement membrane is demonstrated. 3) By immunofluorescence, absence of immunoglobulins and complement components is demonstrated. 4) Alport`s syndrome and systemic diseases that may affect the... |
