Broad and waxy casts in the urine sediment are most consistent with which condition?
1Normal urine that is highly concentrated
2Chronic renal failure with urine stasis✓ 정답
3Acute cystitis with bacteriuria
4Simple dehydration alone
해설
Broad casts form in dilated tubules and waxy casts reflect prolonged stasis. Both are findings of chronic renal failure and are read as signs of a poor prognosis. Hyaline casts may be seen in normal urine.