TY - CHAP M1 - Book, Section TI - ERYTHROCYTOSIS AND POLYCYTHEMIA VERA A1 - Hillman, Robert S. A1 - Ault, Kenneth A. A1 - Leporrier, Michel A1 - Rinder, Henry M. Y1 - 2016 N1 - T2 - Hematology in Clinical Practice, 5e 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? SN - PB - McGraw-Hill Medical CY - New York, NY Y2 - 2024/03/28 UR - hemonc.mhmedical.com/content.aspx?aid=1127766549 ER -