Warning: fopen(/home/virtual/enm-kes/journal/upload/ip_log/ip_log_2025-02.txt): failed to open stream: Permission denied in /home/virtual/lib/view_data.php on line 100 Warning: fwrite() expects parameter 1 to be resource, boolean given in /home/virtual/lib/view_data.php on line 101
Kallmann's syndrome is very rare congenital defect in GnRH (gonadotrophin releasing hormone) secretion involving both sexes. The mode of inheritance has not been fully understood. But, including X-linked inheritance, the ratio of incidence between male versus female is 5:1, and there is a few case reports of female Kallmann's syndrome in Korea, especially in internal medicine department. We report a case of 35 year-old female Kallmann's syndrome presenting secondary amenorrhea as a mild presentation.