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Polycythemia vera (NORD)

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Pathology

Hematological system

Anemias
Heme synthesis disorders
Coagulation disorders
Platelet disorders
Mixed platelet and coagulation disorders
Thrombosis syndromes (hypercoagulability)
Lymphomas
Leukemias
Leukemoid reaction
Dysplastic and proliferative disorders
Plasma cell dyscrasias
Hematological system pathology review

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Polycythemia vera (NORD)

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High Yield Notes
10 pages
Flashcards

Polycythemia vera (NORD)

11 flashcards
Questions

USMLE® Step 1 style questions USMLE

2 questions
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 A 62-year-old man comes to his primary care physician for evaluation of daily headaches and blurry vision. These symptoms started two months ago. In addition, the patient reports feeling itchy over his body after bathing or visiting the sauna. Past medical history is notable for hypertension and asymptomatic gallstones were discovered on a recent ultrasound. The patient is a former smoker with a 20-pack-year smoking history. On the physical exam, the patient is observed to have facial plethora and a spleen palpated 2 cm below the left costal margin. Laboratory testing is ordered and the results are as follows:  

Laboratory Results
Hemoglobin  18.1 g/dL  
Hematocrit  54%  
Erythrocytes  7.2 million/mm3  
Leukocytes  12,500/mm3  
Platelets  470,000/mm3  
Uric Acid  7.9 mg/dL  

Which of the following best describes the pathophysiology of this patient’s presentation? 

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