10 Causes of Hematoma
Reviewed: Dr. Gromatzky
Cause #7: Thrombocytopenia
Our blood vessels are quite thin and delicate. As such, they are very prone to picking up injuries, potentially allowing blood to leak out from them. For small injuries, this is not usually a problem because our blood will clot to block any leaks quickly. This is largely due to platelets in our blood, which clump together in order to form clots.
Thrombocytopenia is a condition where the number of platelets in the blood is lower than usual. With fewer platelets, clots cannot form so quickly or so effectively. This can lead to bleeding externally and internally, potentially leading to a hematoma.
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