Types

• Platelets are anuclear cytoplasmic fragments of megakaryocytes, 2-4 µm in diameter. They play an important role in haemostasis (the control of bleeding) and the formation of clots within the blood cells.
• They are developed from megakaryocytes, the giant cells in the bone marrow. The development of platelets is known as thrombo...

Description

In adults:

• 1.5-4 lakhs/mm³ of blood.

When to get Tested

Elevated Level

• Polycythemia vera
• Chronic myeloid leukemia
• Iron deficiency anemia
• Spleenectomy
• Chronic infection
• Surgery
• Acute haemorrhage
• Cancer (Lung, breast, ovarian, lymphoma)
• Rheumatoid Arthritis
• Myeloproliferative disorder

Decreased Level

Thrombocytopenia

• Idiopathic thrombocytopenic purpura
• Aplastic anemia
• Hypersplenism
• Acute leukemia
• Cytotoxic chemotherapy
• Radiation treatment
• Viral Infection ( mononucleosis, measles, hepatitis)
• Auto immune disorders