Ans: Thrombocytosis is a scientific phrase describing possessing an abnormally high number of platelets. Intrinsic or necessary thrombocytosis - Increased rise in thrombocytopenia is caused by the defective cells in bones, however, the source is undetermined. Subsequent thrombocytosis - Similar to the main thrombocytosis functions, however, produced by a continuing ailment or illness including anaemia, malignancy, irritation, or influenza. Whenever these exist, they involve sudden bleeding blockages inside the forearms that can evolve into cardiovascular disease or stroke if left undiagnosed. In dire situations, the individual may need to undergo a blood pheresis treatment. It reduces platelet concentration via extracting blood, isolating platelets, and then restoring RBCs to the system.