Thrombocytosis

Causes

Appropriate Tests

 

Review clinical findings; Full blood count, Blood film.

Reactive

 

Exercise

 

Acute blood loss

 

Chronic blood loss

 

Inflammation, especially

  • Bacterial infection
  • Arthritis
  • Inflammatory bowel disease
  • Vasculitis

 

Carcinoma, extensive/metastatic

 

Splenic atrophy/absence

 

Primary

 

Myeloproliferative neoplasms, especially

  • Essential thrombocythaemia

 

Can be seen in CML, Primary myelofibrosis, Polycythaemia vera, some subtypes of MDS / Acute leukaemia