Autoimmune hypophysitis is a rare complication of immune checkpoint inhibitors. Immune
checkpoint inhibitors have been used for advanced stages of melanoma, renal cell
carcinoma, and lung cancer. Multiple endocrinopathies, among them hypophysitis, could
result as a reverse event from this therapy. MRI is the imaging modality of choice and usually
demonstrates pituitary gland hypertrophy, irregular thickening of the pituitary infundibulum,
and diffuse enhancement. We present a case of stage IV metastatic renal cell carcinoma …