essential thrombocythemia

Description

A blood disease where the bone marrow makes too many platelets. ​It is one of a group of blood cancers known as myeloproliferative neoplasm.

Too many platelets in the blood can form a blood clot (thrombus) and can cause a stroke, a heart attack or blood clots in the lungs (pulmonary embolism). In rare cases, it can also cause bleeding problems.

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