Case Report

Macroprolactinemia in a Patient with Infertility and Hyperprolactinemia

A significant number of patients with hyperprolactinemia have macroprolactinemia, a condition characterized by the preponderance of big-big prolactin with normal levels of free prolactin. As macroprolactin does not have biologic activity, such patients do not require further investigations or treatment for hyperprolactinemia. The case of a patient with hyperprolactinemia diagnosed…