Seminars in oncology
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Side effects of immune checkpoint blockade are often said to be infrequent and usually mild. The uniqueness of endocrine immune-related adverse events is their non-reversibility, with incidence and prevalence destined to increase in the coming years, particularly if immunotherapy is used at earlier stages of neoplastic disease. Immune-related hypophysitis is one of these observed endocrine adverse events. ⋯ Management should include discontinuation of the immune checkpoint blockade, initiation of corticosteroid therapy and eventually hormone replacement therapy. Hypophysitis impacts treatment of the disease and usually requires long-term management of this irreversible side effect. A multidisciplinary team approach is merited to insure the correct diagnosis and management of immune-related hypophysitis.