<P> The presence of red blood cells within the cast is always pathological , and is strongly indicative of granulomatosis with polyangiitis , systemic lupus erythematosus , post-streptococcal glomerulonephritis or Goodpasture 's syndrome . They can also be associated with renal infarction and subacute bacterial endocarditis . They are a yellowish - brown color and are generally cylindrical with sometimes ragged edges ; their fragility makes inspection of a fresh sample necessary . They are usually associated with nephritic syndromes or urinary tract injury . </P>
<P> The presence of red blood cells within the cast is always pathological , and is strongly indicative of granulomatosis with polyangiitis , systemic lupus erythematosus , post-streptococcal glomerulonephritis or Goodpasture 's syndrome . They can also be associated with renal infarction and subacute bacterial endocarditis . They are a yellowish - brown color and are generally cylindrical with sometimes ragged edges ; their fragility makes inspection of a fresh sample necessary . They are usually associated with nephritic syndromes or urinary tract injury . </P>
causes of red blood cell casts in urine
causes of red blood cell casts in urine
nephritic syndromes or urinary tract injury
nephritic syndromes or urinary tract injury