[The diagnostic value of macroprolactin in hyperprolactinemia].

Macroprolactinemia (MP) in which there is a discrepancy between prolactin (P) levels and clinical symptoms has recently generated great interest among physicians of various specialties since not the whole of P is biologically active. The diagnosis of this condition is a topical problem. The purpose of the investigation was to detect high molecular-weight or big big P in patients with hyperprolactinemia (HP) of various genesis and to define its clinical importance.