The Quizzes about Oncology – Part 2 (20 test)

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A 65-year-old man, with a 45-pack-per-year history of smoking, presents with hematuria and flank pain. He reports no fever, chills, or dysuria, but he has lost 15 lb. On examination the abdomen is soft, no mass is felt, and there is no flank tenderness on percussion. His hemoglobin (Hb) is 18.5 g/dL, and his liver enzymes are normal. A CT scan of the abdomen reveals a mass in the left kidney with involvement of the renal vein. Which of the following is the most likely diagnosis?

Age, history of smoking, and polycythemia in a patient with hematuria strongly suggests a renal cell carcinoma. The elevated hemoglobin represents increased erythropoietin production and is not related to prognosis. Involvement along the renal vein and metastases to the lungis also characteristic of renal cell carcinoma. Elevated liver enzymes and weight loss can represent nonmetastatic effects of malignancy and can reverse with resection. Almost half of patients will have a palpable abdominal mass on presentation. The CT of the thorax is a useful test because three-quarters of those with metastatic disease will have lung metastases

The Quizzes about Oncology – Part 2 (20 test)
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