Harvard Health Letter

By the way, doctor: Should I worry about giant platelets?

Q. My platelet count has always been on the low side — 110,000. I don't have any symptoms. But a recent lab report mentioned "giant platelets." Is this something to worry about?

A. Platelets are tiny cell fragments that circulate in the blood and help it clot. They form clots by sticking to one another and by releasing chemicals that promote other aspects of clotting, which is an elaborate, multistep process.

Platelets are also called thrombocytes, and a deficiency is called thrombocytopenia, a condition that makes bleeding and bruising more likely.

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