What is the role of GCT testing in the workup of granulosa cell tumors (GCTs) of the ovaries?

Updated: Aug 30, 2018
  • Author: David C Starks, MD, MPH; Chief Editor: Warner K Huh, MD  more...
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GCTs are the most common estrogen-producing neoplasms in females and are found to produce estradiol in approximately 40-60% of patients. This estradiol production is dependent on stimulation by testosterone secreted by the theca cells. However, not all GCTs are hormonally active or have theca cells that secrete testosterone, and this type of testing lacks sensitivity and specificity.

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