 renal amyloidosi clinicopatholog studi clinic histopatholog data 40 case renal amyloidosi diagnos percutan renal biopsi present twenti-two case label 'secondari' amyloidosi definit aetiolog factor respons renal amyloidosi discov predispos diseas lead amyloid deposit kidnei order frequenc fibrocas pulmonari tuberculosi bronchiectasi lung abscess ileocaec tuberculosi case label suspect 'primari' amyloidosi definit evid predispos diseas skiagram chest reveal minim heal foci determin thirteen case label 'primari' amyloidosi albuminuria constant featur case 32 case present nephrot syndrom rest case present hypertens renal failur addit albuminuria ancillari procedur congo-red test gingiv liver biopsi prove limit diagnosi renal amyloidosi percutan renal biopsi diagnost tool emphasis 