Occurrence of extensive spherical amyloid deposits in a prolactin-secreting pituitary macroadenoma: a radiologic-pathologic correlation

Pituitary adenomas are the most common tumors of the sellar region, but the occurrence of spherical amyloid deposits in a pituitary adenoma is rare. We describe the clinical features, radiologic characteristics, and pathologic findings of 45-year-old man who presented with galactorrhea, hypogonadism, and hyperprolactinemia who had a pituitary adenoma with extensive spherical amyloid deposits. Approximately 30 cases have been reported, almost...