Objective: To present the first reported case of interferon-induced hypothyroidism with radiographic confirmation of secondary pituitary hyperplasia.
Methods: We describe the case of a woman with recurrent malignant melanoma, outline the details of her endocrine work-up, and illustrate the serial findings on magnetic resonance imaging of the head.
Results: A 26-year-old woman underwent surgical excision of a melanoma of the left thigh and 10 years later had a second melanoma removed from her right knee.