1 citations
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February 2015 in “Revista Acadêmica Ciência Animal” A mare had a functional ovary with a tumor containing cartilage and bone.
October 2023 in “Journal of the Endocrine Society” A woman's ovarian fibroma caused high testosterone levels, which normalized after surgery.
6 citations
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November 2018 in “Journal of molecular histology” Testosterone increases fluid secretion and aquaporin expression in the vas deferens, which is important for male fertility.
October 2025 in “Journal of the Endocrine Society” Leydig cell tumors in the ovary can cause high testosterone and male traits in postmenopausal women but are treatable with surgery.
3 citations
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July 2019 in “Case Reports in Obstetrics and Gynecology” A young woman's rare ovarian tumor was successfully removed, improving her hormonal symptoms.
12 citations
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March 2018 in “Medicine” A postmenopausal woman's hirsutism and high testosterone levels improved after surgery for an ovarian tumor not seen on ultrasound.
7 citations
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January 2022 in “Case Reports in Endocrinology” Ovarian hyperthecosis can cause symptoms even with normal testosterone levels, and surgery can improve these symptoms.
October 2022 in “Journal of Pediatric and Adolescent Gynecology” A special blood test helped find the overactive ovary in a teen with PCOS, and removing that ovary improved her condition.
May 2025 in “International Journal of Reproduction Contraception Obstetrics and Gynecology” Ovarian tumors should be considered when postmenopausal women show signs of virilization.
January 2013 in “Reproductive Biology” October 2025 in “Journal of the Endocrine Society” Ovarian hyperthecosis can cause high testosterone and symptoms like hair loss, and surgery can help improve these symptoms.
September 2024 in “Electronic Journal of General Medicine” Diagnosing Sertoli-Leydig cell tumors is challenging due to their unusual symptoms and can occur at any age.
July 2022 in “Research Square (Research Square)” A new gel helps grow mature eggs in a lab that can be fertilized and develop further.
5 citations
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August 1987 in “Andrology” Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.
July 2023 in “Endocrinology, diabetes & metabolism case reports” Sertoliform endometrioid carcinoma of the ovary, though rare, has a good prognosis when treated early.
2 citations
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August 2011 in “Revista Medica De Chile” A postmenopausal woman's high testosterone levels and symptoms improved after removing a tumor from her ovary.
March 2026 in “JCEM Case Reports” Surgery removed ovarian tumors, normalizing testosterone and improving symptoms.
34 citations
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January 2004 in “PubMed” DHT deficiency in rats reduces sperm content and affects testis structure over time.
7 citations
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March 2023 in “Gynecological Endocrinology” After tumor removal, the woman regained normal hormone levels, menstruated, and had a healthy baby.
October 2022 in “Miscellaneous” A rare, non-cancerous ovarian tumor was successfully treated with surgery, improving the patient's symptoms.
October 2024 in “Journal of the Endocrine Society” Leydig cell tumors can cause high testosterone and symptoms in postmenopausal women, and removing them improves symptoms.
November 2024 in “Scientific Reports” Chemotherapy for male germ cell tumors often leads to hypogonadism and related symptoms.
April 2020 in “Journal of the Endocrine Society” A rare ovarian tumor that produced testosterone caused a blood clot in the lungs and increased red blood cells in a woman.
11 citations
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September 2015 in “Theriogenology” Testosterone boosts fluid and electrolyte secretion in seminal vesicles, aiding sperm function.
14 citations
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September 2017 in “General and comparative endocrinology” Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
December 2022 in “Journal of Medical Case Reports” A 20-year-old woman was found to have a rare ovarian tumor causing symptoms like acne and a low-pitched voice, which disappeared after the tumor was removed.
August 2013 in “Fertility and Sterility” PCOS may be influenced by factors in the blood, not just the ovaries.
3 citations
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January 2021 in “touchREVIEWS in Endocrinology” Surgery removed an ovarian tumor, improving her symptoms and normalizing testosterone levels.
43 citations
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January 2006 in “PubMed” Androgens and estrogens are crucial for male reproductive health, affecting hormone levels and tissue function.
November 2022 in “Journal of the Endocrine Society” A woman's masculine symptoms were caused by a rare tumor in her left ovary, which was found using a special blood test.