Question
A 56-year-old man is involved in a severe motor vehicle accident. He develops ARF after hospital admission. One of the possibilities for his ARF is post-traumatic renal vein thrombosis. Which of the following findings is most likely to suggest renal vein thrombosis?
| A. |
white cell casts on urinalysis
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| B. |
heme-granular casts
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| C. |
heavy proteinuria
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| D. |
urine supernatant pink and tests positive for heme
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Show Answer
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Correct Answer � C
Explanation
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Ans. (C)
Renal vein thrombosis is associated with heavy proteinuria and hematuria. Flank pain and pulmonary embolism can also occur.
Clinical presentation of renal vein thrombosis varies by the rapidity of venous occlusion and development of venous collaterals. Chronic RVT has an insidious onset and is usually asymptomatic. Rarely, it may present as peripheral edema.
Acute renal vein thrombosis usually presents with symptoms of renal infarction, including flank pain, flank tenderness, rapid deterioration of renal function, and worsening proteinuria, micro or macroscopic hematuria. Nausea, vomiting, or fever may be present.
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