Secondary thrombocytosis is treated by addressing the underlying cause (e.g. treating any infection, any underlying inflammatory condition, giving iron supplements if there is iron deficiency, etc.).

Of these, 28 (20.1%) had thrombocytosis with PLTC above 500 × 100 9 /L, and 15 of them (10.7%) had very high values above 600 × 100 9 /L. Increased levels of fibrinogen and D-dimers were also ...

Thrombocytosis that shows up in a routine blood test increases the risk for an imminent diagnosis of several typically 'silent' cancers, such as pancreatic, ovarian, and cervical cancers.