Abstract:Background: Ado-trastuzumab emtansine (T-DM1), has improved rates of progressionfree and overall survival amongst patients treated for human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer (mBC). The development of spider naevi/telangiectasia represents an under-reported adverse event amongst patients being treated with T-DM1. The mechanism of development of T-DM1 associated telangiectasia is unknown. Case Report: Here, we report the case of a 53 year old female patient with metasta… Show more
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