Essential thrombocytosis natural history, complications and prognosis: Difference between revisions
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==Overview== | ==Overview== | ||
If left untreated, patients with essential thrombocytosis may progress to develop symptoms like headache, dizziness, vision disturbances, chest pain, intense burning pain in hands and/or feet ([[erythromelalgia]]), numbness and tingling of hands and feet, [[priapism]] (persistent and painful erection of the penis) and so on depending on the vessel occluded with the thrombus. Common complications of essential thrombocytosis include thrombotic events ([[DVT]], cerebrovascular accidents,etc), bleeding (bruises, gum bleeds, [[epistaxis]], etc), [[acute leukemia]] and [[myelofibrosis]].<ref name = paed | If left untreated, patients with essential thrombocytosis may progress to develop symptoms like headache, dizziness, vision disturbances, chest pain, intense burning pain in hands and/or feet ([[erythromelalgia]]), numbness and tingling of hands and feet, [[priapism]] (persistent and painful erection of the penis) and so on depending on the vessel occluded with the thrombus. Common complications of essential thrombocytosis include thrombotic events ([[DVT]], cerebrovascular accidents,etc), bleeding (bruises, gum bleeds, [[epistaxis]], etc), [[acute leukemia]] and [[myelofibrosis]].<ref name = paed>{{cite journal|last=Frewin|first=R|coauthors=Dowson, A|title=Headache in essential thrombocythaemia.|journal=International Journal of Clinical Practice|date=October 2012|volume=66|issue=10|pages=976-83|doi=10.1111/j.1742-1241.2012.02986.x|pmid=22889110|url=http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3469735/pdf/ijcp0066-0976.pdf|format=PDF|pmc=3469735}}</ref><ref>{{cite journal|last=Tefferi|first=A|title=Annual Clinical Updates in Hematological Malignancies: a continuing medical education series: polycythemia vera and essential thrombocythemia: 2011 update on diagnosis, risk-stratification, and management.|journal=American Journal of Hematology|date=March 2011|volume=86|issue=3|pages=292-301|doi=10.1002/ajh.21946|pmid=21351120}}</ref> Prognosis is generally good, and the survival rate of patients is usually normal with regular medical supervision. However, the disease may rarely undergo a leukemic conversion or develop [[myelofibrosis]]. | ||
==Natural history== | ==Natural history== | ||
Revision as of 19:12, 20 November 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Soujanya Thummathati, MBBS [2]
Overview
If left untreated, patients with essential thrombocytosis may progress to develop symptoms like headache, dizziness, vision disturbances, chest pain, intense burning pain in hands and/or feet (erythromelalgia), numbness and tingling of hands and feet, priapism (persistent and painful erection of the penis) and so on depending on the vessel occluded with the thrombus. Common complications of essential thrombocytosis include thrombotic events (DVT, cerebrovascular accidents,etc), bleeding (bruises, gum bleeds, epistaxis, etc), acute leukemia and myelofibrosis.[1][2] Prognosis is generally good, and the survival rate of patients is usually normal with regular medical supervision. However, the disease may rarely undergo a leukemic conversion or develop myelofibrosis.
Natural history
The symptoms[1][3][4] of essential thrombocytosis include but are not limited to headache, dizziness, vision disturbances, chest pain, intense burning pain in hands and/or feet (erythromelalgia), numbness and tingling of hands and feet and priapism (persistent and painful erection of the penis). Without treatment, patients with very high platelet counts will develop serious complications from vascular occlusion and/or bleeding. Rarely some cases progress to fatal leukemia or myelofibrosis.
Complications
- Some of the complications from essential thrombocytosis are as follows[1][5][6]:
- Thrombotic events
- DVT
- Cerebrovascular accidents (CVA)
- Myocardial infarction
- Bleeding
- Bruises
- Gum bleeds
- Epistaxis
- Acute leukemia
- Myelofibrosis
- Thrombotic events
- In predisposed individuals, gastrointestinal bleeding may sometimes worsen with aspirin where it is used to relieve symptoms of mild essential thrombocytosis. Hence it is contraindicated in these patients.[7]
- Complications may occur in pregnant patients with essential thrombocytosis. High platelet counts cause placental infarction and places the fetus at a higher risk than the mother. The complications may include the following:
- Increased risk of thrombosis
- Increased risk of spontaneous miscarriage
- IUGR
- Preterm labor
- Placental abruption
Prognosis
- Essential thrombocytosis is associated with a good prognosis if medically supervised on a regular basis.
- Most of the patients remain asymptomatic for a long time and are diagnosed on routine blood tests or when tested for other conditions. Although some patients with very high counts may present with severe hemorrhagic or thombotic events needing treatment.
- Rarely the disease may progress to acute leukemia or myelofibrosis.
References
- ↑ 1.0 1.1 1.2 Frewin, R (October 2012). "Headache in essential thrombocythaemia" (PDF). International Journal of Clinical Practice. 66 (10): 976–83. doi:10.1111/j.1742-1241.2012.02986.x. PMC 3469735. PMID 22889110. Unknown parameter
|coauthors=ignored (help) - ↑ Tefferi, A (March 2011). "Annual Clinical Updates in Hematological Malignancies: a continuing medical education series: polycythemia vera and essential thrombocythemia: 2011 update on diagnosis, risk-stratification, and management". American Journal of Hematology. 86 (3): 292–301. doi:10.1002/ajh.21946. PMID 21351120.
- ↑ Frewin, R (October 2012). "Headache in essential thrombocythaemia" (PDF). International Journal of Clinical Practice. 66 (10): 976–83. doi:10.1111/j.1742-1241.2012.02986.x. PMC 3469735. PMID 22889110. Unknown parameter
|coauthors=ignored (help) - ↑ Tefferi, A (March 2011). "Annual Clinical Updates in Hematological Malignancies: a continuing medical education series: polycythemia vera and essential thrombocythemia: 2011 update on diagnosis, risk-stratification, and management". American Journal of Hematology. 86 (3): 292–301. doi:10.1002/ajh.21946. PMID 21351120.
- ↑ Frewin, R (October 2012). "Headache in essential thrombocythaemia" (PDF). International Journal of Clinical Practice. 66 (10): 976–83. doi:10.1111/j.1742-1241.2012.02986.x. PMC 3469735. PMID 22889110. Unknown parameter
|coauthors=ignored (help) - ↑ Tefferi, A (March 2011). "Annual Clinical Updates in Hematological Malignancies: a continuing medical education series: polycythemia vera and essential thrombocythemia: 2011 update on diagnosis, risk-stratification, and management". American Journal of Hematology. 86 (3): 292–301. doi:10.1002/ajh.21946. PMID 21351120.
- ↑ Brière JB (2007). "Essential thrombocythemia". Orphanet J Rare Dis. 2: 3. doi:10.1186/1750-1172-2-3. PMC 1781427. PMID 17210076.