Pituitary Testing with and Without Bromocryptine in an Aspermic Man with Elevated Serum Prolactin/Fsh Levels

Abstract

Pituitary testing is reported in an aspermic man with elevated serum FSH levels and hyperprolactine-mia. Responses to clomiphene administration were normal. Serum LH responses to a double bolus of GnRH were substantially increased during bromocryptine therapy but FSH responses were similar with and without bromocryptine. These findings suggest that the elevated prolactin levels inhibited the GnRH-LH axis in this patient even in the presence of elevated serum FSH levels.

Key Words:

• Bromocryptine
• Pituitary
• Aspermia
• Prolactin
• FSH