Chapter 99 PV and other MPNs Flashcards
1
Q
The most common of the MPN
A
Polycythemia vera
2
Q
Most common cytogenetic abnormality in PV
A
Loss of heterozygosity on chromosome 9p
3
Q
Erythema, burning and pain in the extremities
A
Erythromelalgia
4
Q
Relative erythocytosis due to a reduction in plasma volume alone
A
Stress or spurious erythrocytosis or Gaisböck’s syndrome
5
Q
The only 3 situations causing microcytic erythrocytosis
A
B-thalassemia trait
(RDW normal)
Hypoxic erythocytosis
PV
(RDW may be elevated due to associated iron deficiency)
