Primary thrombocythemia

Primary thrombocythemia; Essential thrombocytosis

Essential thrombocythemia (ET) is a condition in which the bone marrow produces too many platelets. Platelets are a part of the blood that aids in blood clotting.

Blood cells

Blood is comprised of red blood cells, platelets, and various white blood cells.

Causes

Symptoms

Exams and Tests

Treatment

Outlook (Prognosis)

Possible Complications

When to Contact a Medical Professional