Endocrine Abstracts

Case history: A 72 year old male was diagnosed with primary lung adenocarcinoma grade T4N2M1b with adrenal and brain metastasis 1 year previously. On diagnosis his tumour was strongly positive for PDL-1 expression. This patient was started on dexamethasone 8 mg once a day that was weaned down to 4mg twice daily and then slowly weaned off steroids whilst receiving whole brain radiation. He was started on pembrolizumab therapy and had received ten cycles of treatment when he beg...