<prompt> Thrombocytosis is a recognised feature of ?MyelofibrosisSystemic lupus erythematosisAzidothymidine therapyAll  <response>: Ans. is a i.e., Myelofibrosis Impoant causes of thrombocytosis o Collegen vascular disease o Infection o Hemorrhage o Inflammatory bowel disease o Myeloproliferative disorders o Iron deficiency anemia o Malignancy o Myelodysplastic syndrome 