1. Diagnosing Polycythemia Vera: A Paradigm Shift
Ayalew Tefferi, M.D. 
Mayo Clinic Proceedings 
Volume 74, Issue 2, Pages (February 1999)
DOI: /
Copyright © 1999 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Fig. 1
Diagnostic approach to “suspected polycythemia vera.” For PV-related features, see Table 1. Of note, hemoglobin (Hb) level is for male Caucasians. Hb value for female Caucasians is 17 gm/dL; for male African-Americans, 17.5 gm/dL; and for female African-Americans, 16.7 gm/dL. EEC = endogenous erythroid colony; EPO = erythropoietin; PV = polycythemia vera.
Mayo Clinic Proceedings  , DOI: ( / )
Copyright © 1999 Mayo Foundation for Medical Education and Research Terms and Conditions