POU1F1 and hypophysitis: Autoimmune HP-associated diseases include lymphocytic hypophysitis, immune checkpoint inhibitor (ICI)-induced hypophysitis, IgG4-related hypophysitis, and paraneoplastic autoimmune hypophysitis (anti-PIT-1 hypophysitis and isolated autoimmune paraneoplastic ACTH deficiency) [49,50,51,52,53,54,55].