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Pathology

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Kidney

Question
56 out of 60
 

Which set of laboratory findings in the table below is most likely to be present in an individual with a renal cell carcinoma and secondary polycythemia who is not dehydrated? (AIIMS Nov 2012)

RBC Count RBC Mass Erythropoietin Amount



A Normal Normal Increased

B Increased Increased Increased

C Decreased Decreased Normal

D Increased Decreased Increased

Ans. B

Appropriate causes of increased erythropoietin include lung disease, cyanotic heart disease, living at high altitudes, or abnormal hemoglobins with increased oxygen affinity. Inappropriate causes of increased erythropoietin include erythropoietin-secreting tumors, such as renal cell carcinomas, hepatomas, or cerebellar hemangioblastomas.

Kidney Flashcard List

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