All are TRUE about thin basement membrane defect, EXCEPT:
Also known as benign familial hematuria
Autosomal dominant inheritance
Persistent or recurrent microscopic hematuria
Impaired renal function
Benign familial hematuria is also referred to as thin basement membrane disease. It is inherited as an autosomal dominant trait Characterised by persistent or recurrent microscopic hematuria, a uniformly thinned GBM, and normal renal function. Proteinuria and episodes of gross hematuria are uncommon. The disease is not associated with extrarenal manifestations Ref: Dan Med Bull 2009; 56:105-52