Journal
BLOOD
Volume 122, Issue 23, Pages 3784-3786Publisher
AMER SOC HEMATOLOGY
DOI: 10.1182/blood-2013-07-515676
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Funding
- Kimberly Patterson Leukemia Research Fellowship
- Celgene Future Leaders in Hematology Award
- Anderson Cancer Center [CA016672]
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Detection of the JAK2 p.V617F mutation and measurement of its allele burden can be performed using both peripheral blood (PB) and bone marrow (BM) samples from patients with myeloproliferative neoplasms (MPNs). However, the diagnostic accuracy of detecting the JAK2 p.V617F mutation and quantifying its allele burden in PB and BM samples has not been systematically compared. We retrospectively analyzed 388 patients with MPN who had been tested for JAK2 p.V617F allele burden using both PB and BM samples within 3 months of each other. The sensitivity and specificity of detecting JAK2 p.V617F in PB when compared with BM were both 100%. Furthermore, the JAK2 p.V617F allele burden measured in PB and BM were equivalent by linear regression analysis (R-2 = 0.991; P < .0001). We therefore conclude that PB is a reliable source for testing for the JAK2 p.V617F mutation and quantifying its allele burden in patients with MPN.
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