The coronavirus disease-19 (COVID-19) pandemic that emerged in Wuhan, China, in late December 2019 spread rapidly throughout the world and has caused over 6.5 million deaths. The disease is caused by ...

Thrombocytopenia absent radius (TAR) affects the radius — the long, thin bone in the forearm — and platelet function. This defect commonly appears at birth or within the first few years of life.

A panelist discusses how bleeding risk assessment depends on platelet count levels (highest risk below 20,000), requiring careful medication history review to avoid drugs that impair platelet function ...

Megakaryocytes, which are derived from hematopoietic stem cell precursors in bone marrow, form and release platelets; these circulate in the blood for 8 to 10 days before they are removed by hepatic ...

COVID-19 triggers hyperactivity in platelets leading to the formation of more blood clots in some patients. Photo credit: Getty Images Changes in blood platelets triggered by COVID-19 could contribute ...

The MarketWatch News Department was not involved in the creation of this content. WATERTOWN, Mass., April 6, 2026 /PRNewswire/ -- PlateletDiagnostics, LLC (PlateletDx.com) today announced the ...

Thrombocytopenia (low platelet count) is common in people with cirrhosis. Possible causes include an enlarged spleen and decreased platelet production. Severe thrombocytopenia can increase the risk of ...

Medically reviewed by Gagandeep Brar, MD Key Takeaways A high platelet count can lead to blood clots and bleeding, which can be dangerous. Reactive thrombocytosis is often linked to another cause of ...

Intravital microscopy image from the liver of a mouse model: a platelet (turquoise) adheres to the inflamed vessel wall (yellow dashed outline) and sheds a long, filamentous membrane extension—a ...