Tamoxifen induced-thrombocytopenia: it does occur.

Tamoxifen has been in the center of management of hormone-sensitive breast cancer. Furthermore, it represents the best example of chemo-prevention: It reduces the incidence of invasive breast cancer. However, it has some side effects, several of them are severe. Oncologists, hematologists, internal medicine specialists and gynecologists must know this agent in detail. Authors report a very rare side effect, thrombocytopenia, and discuss it briefly.