Trousseau sign of malignancy

a medical sign found in certain cancers that is associated with venous thrombosis and hypercoagulopathy.
related to factors secreted by the tumors.
malignancy-associated hypercoagulable states, the blood may spontaneously form clots in the portal vessels, the deep veins of the extremities (such as the leg), or the superficial veins anywhere on the body.
These clots present as visibly swollen blood vessels, vasculitis.

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