Such a mindset is certainly deeply affecting the manufacturers of Proscar, a medication that is proven to decrease the risk of prostate cancers. But there is large resistance to prescribe this preventative cancer drug, which is usually categorized as chemoprevention treatment. ‘Chemoprevention may be the act of prescribing medications to at-risk patients to prevent a particular disease,’ explained Samadi. ‘The issue with that is that doctors have to advise healthy sufferers to take the drug to prevent cancer, which very few patients would consider.’ Another concern with chemoprevention can be its success is not measurable easily.As compared with medullary and splenic megakaryocyte counts in settings, those in tumor-bearing mice had been increased by one factor of 2 to 3 3 and 7 to 13, respectively . To determine if the findings would be similar in patients with epithelial ovarian tumor, we surveyed our medical data set for ladies who underwent a bone marrow biopsy. Among the eight sufferers in whom a bone marrow biopsy was performed, platelet counts correlated with megakaryocyte density .