Endocrine Abstracts

Context: Several previous studeis suggested seasonal variation in testosterone levels. However, these studies were limited by either their small sample size or by variability in baseline characteristics and confounders such as: differences in age and weight distribution, co-existent illness, time in the day in which testosterone was measured and by differences in geographic location and climate conditions. Ultraviolet (UV) exposure is one of the main environmental stimuli. In ...

Introduction: High androgen levels and infertility in reproductive women, beyond the most common cause of polycystic ovary syndrome (PCOS), is often a challenge diagnosis. Ovarian steroid cell tumor is considered a rare subtype of hormone-secreting ovarian tumor, accounting for about 0.1% of all ovarian tumors.Aim: To report a case of extremely high testosterone levels in a woman with secondary amenorrhea but without signs of virilization, and describe d...