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Asian Biomedicine
Volume 9 (2015): Issue 5 (October 2015)
Open Access
Janus kinase 2 negative polycythemia vera
Pravinwan Thungthong
Pravinwan Thungthong
,
Supat Chamnanchanunt
Supat Chamnanchanunt
,
Tawatchai Suwanban
Tawatchai Suwanban
,
Chajchawan Nakhakes
Chajchawan Nakhakes
and
Kunapa Iam-arunthai
Kunapa Iam-arunthai
| Jan 31, 2017
Asian Biomedicine
Volume 9 (2015): Issue 5 (October 2015)
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Article Category:
Clinical report
Published Online:
Jan 31, 2017
Page range:
697 - 700
DOI:
https://doi.org/10.5372/1905-7415.0905.443
Keywords
Clinical course
,
JAK2-negative
,
polycythemia vera
© 2015 Pravinwan Thungthong, Supat Chamnanchanunt, Tawatchai Suwanban, Chajchawan Nakhakes, Kunapa Iam-arunthai
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Figure 1
Ultrasound images show splenomegaly (size 6.6 cm × 12.6 cm) without a focal mass. No ascites or lymphadenopathies were noted.
Figure 2
Micrograph showing hypercellularity with prominent proliferation of erythroid cells, increased megakaryocytes of varying in shapes and sizes (Wright–Giemsa stain, ×400; bar 60 μm)
Figure 3
left and right: Megakaryocytes from bone marrow aspirates showing megakaryocytes with a nuclear chromatin pattern varying from dispersed, no megakaryocytic clusters were seen, no dysplastic changes and no increase in blasts were noted (Wright–Giemsa stain, ×1,000; bars 10 μm).