Korean J Nephrol.  2011 Mar;30(2):220-224.

A Case of Erythrocytosis Improved after Kidney Transplantation

Affiliations
  • 1Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea. yoosy0316@yuhs.ac

Abstract

Renal anemia is a common complication of chronic kidney disease and known to be caused by erythropoietin or iron deficiency. However, erythrocytosis in patients on dialysis has rarely been reported and usually associated with renal cell carcinoma, polycythemia vera or acquired cystic kidney disease. Here we report a case of erythrocytosis in an ESRD patient with resolution after kidney transplantation. A 38-year-old man on peritoneal dialysis for 5 years was admitted for kidney transplantation. On admission, blood Hgb and Hct was 19.7 g/dL and 61.4%, respectively. Serum erythropoietin level was 347 mIU/mL. Multiple variable sized cystic lesions were identified on both kidneys without evidence of internal malignancy in abdomen and pelvis CT scan. After kidney transplantation, Hgb was 12.5 g/dL and serum erythropoietin level was 13.1 mIU/mL. Some of renal cysts on CT scan disappeared or decreased in size. This finding suggests that erythrocytosis in this patient can be associated with acquired cystic kidney disease.

Keyword

End stage renal disease; Erythrocytosis; Cystic kidney disease

MeSH Terms

Abdomen
Adult
Anemia
Carcinoma, Renal Cell
Dialysis
Erythropoietin
Humans
Iron
Kidney
Kidney Diseases, Cystic
Kidney Failure, Chronic
Kidney Transplantation
Pelvis
Peritoneal Dialysis
Polycythemia
Polycythemia Vera
Renal Insufficiency, Chronic
Erythropoietin
Iron
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