RT Book, Section
A1 Hillman, Robert S.
A1 Ault, Kenneth A.
A1 Leporrier, Michel
A1 Rinder, Henry M.
SR Print(0)
ID 1127766549
T1 ERYTHROCYTOSIS AND POLYCYTHEMIA VERA
T2 Hematology in Clinical Practice, 5e
YR 2016
FD 2016
PB McGraw-Hill Medical
PP New York, NY
SN 9780071626996
LK accessbiomedicalscience.mhmedical.com/content.aspx?aid=1127766549
RD 2024/04/19
AB CASE  HISTORY  •  Part  1A  50-year-old  man  presents  with  a  history  of  worsening  headaches,  difficulty  sleeping,  and  general  malaise.  Past  history  is  positive  for  hypertension,  chronic  obstructive  pulmonary  disease,  and  a  recent  deep  venous  thrombosis.  He  has  a  more  than  30-year  history  of  smoking  and  poor  weight  control.  Examination  reveals  an  obese  male  (~280  lbs)  with  a  ruddy  complexion.  Vital  signs:  BP  -  160/95  mm  Hg;  P  -  94  bpm;  R  -  18  bpm.  Otherwise,  his  examination  is  unremarkable.CBC:  Hematocrit/hemoglobin  -  59%/19.7  g/dLMCV  -  92  fL  MCH  -  32  pg  MCHC  -  33  g/dLRDW-CV  -  12%WBC  count  -  14,500/μLPlatelet  count  -  280,000/μLSMEAR  MORPHOLOGYNormocytic  and  normochromic  with  normal  white  blood  cell  morphology.  Platelets  are  abundant  with  some  clumping.Reticulocyte  count/index  -  1.0%/>1Sedimentation  rate  -  10  mm/h  (Westergren)QuestionsWhat  CBC  abnormality  is  apparent?What  tests  are  indicated  to  explore  the  cause?