Total 35 clinical symptoms reported for Alport syndrome  Very Frequent (2)Uncommon (13)Occasional (17)Frequent (3)

Glomerular basement membrane lamellation	Presence of abnormal additional layers of the basement membrane of the glomerulus.   Synonyms:Lamellated/basket-woven thickened glomerular basement membranes; Lamellation of the glomerular basement membrane	Very frequent
Thin glomerular basement membrane	Decreased thickness of the glomerular basement membrane (GBM), measured from endothelial to visceral epithelial plasma membrane and mainly attributable to a decrease in thickness of the lamina densa, generally to an overall thickness more than 2 standard deviations less than that of the normal mean GBM thickness for health age- and sex matched individuals. May be focal or diffuse, although the term thin GBMs generally implies thinning of over 50% of GBMs.	Very frequent