Indication for Biopsy: Hematuria

A renal biopsy is not done onValue of renal biopsyin hematuria every person withRenal biopsyvalue in hematuria hematuriaHematuria, and is only done after appropriate investigations to exclude other causes of hematuria. Most specimens taken to investigate hematuriaHematuria look normal or close to normal onOrthodox light microscopy orthodox light microscopyLight microscopy, orthodox, when the age of the person biopsied is taken into account. In children, most specimens in hematuria show one of three disorders, thin glomerular basement membrane nephropathyGlomerular basement membranethin glomerular basement membrane nephropathy, IgA nephropathy, orNephropathyAlport type of hereditary nephropathy hereditary nephropathy of Alport typeHereditary nephropathy of Alport type. In adults, most specimens in hematuria show eitherNephropathyIgA nephropathy IgA nephropathy or thin glomerular basement membrane nephropathy.