January 2021 in “Case Reports” A 71-year-old woman developed male-like features due to high testosterone levels caused by a benign ovarian tumor, which was successfully removed by surgery.
April 2019 in “Journal of the Endocrine Society” The study found that imaging might miss small ovarian tumors causing high testosterone, and suggested using certain testosterone levels and treatment responses to identify these tumors.
April 2019 in “Journal of the Endocrine Society” Rapid virilization should be checked for possible ovarian or adrenal cancer.
13 citations
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August 2020 in “Der Hautarzt” Excessive male hormones in women cause symptoms like unwanted hair growth, and treatment requires careful medical evaluation.
2 citations
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January 2018 in “European journal of pediatric surgery reports” A baby girl's hair turned straight on one side due to a neck tumor and surgery, but it returned to curly as she recovered.
January 2007 in “Annals of The Royal College of Surgeons of England” Removing a hormone-producing adrenal tumor can stop hair loss in women with high testosterone levels.
October 2020 in “Clinical and Experimental Dermatology” Hair loss improved after removing pituitary tumor.
17 citations
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January 2010 in “PubMed” CD10 helps distinguish between basal cell carcinoma and benign hair follicle tumors.
October 2024 in “Journal of the Endocrine Society” The case highlights the complexity of diagnosing high testosterone in older women and the need for thorough testing.
January 2000 in “Acta Academiae Medicine Militaris Tertiae” Different keratins in hair follicles can help identify hair tumor origins.
3 citations
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March 1998 in “PubMed” A woman's skin and hair conditions improved after her cancerous tumor was removed.
A girl with Crohn's disease developed hair loss due to her increased medication, a rare side effect seen in some children.
18 citations
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January 2013 in “Veterinary Dermatology” K15 is a reliable marker for studying stem cells in dog hair follicle tumors.
May 2024 in “British journal of dermatology/British journal of dermatology, Supplement” CYLD deficiency in skin tumors disrupts hair follicle cell processes and protein secretion.
March 2026 in “Dermatopathology” A rare skin tumor with extra hair growth was found and safely removed from a 27-year-old woman.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing MCPIP1 from myeloid cells in mice leads to hair loss and prevents skin tumors but causes pigmented spots.
15 citations
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May 1986 in “Journal of the American Veterinary Medical Association” Castration helped a dog with a tumor and hair loss by normalizing hormone levels and regrowing hair.
3 citations
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June 2025 in “Archives of Dermatological Research” Stopping TNFα inhibitors can help children regrow hair lost due to the medication.
2 citations
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April 2023 in “Journal of Psoriasis and Psoriatic Arthritis” Early diagnosis and treatment are crucial to prevent permanent hair loss from TNFα inhibitors in scalp psoriasis.
April 2012 in “Informa Healthcare eBooks” Some drugs for inflammation may cause psoriasis-like hair loss.
21 citations
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September 1968 in “Cancer” Citrulline in certain skin tumors suggests they mimic hair growth, helping distinguish them from other cancer types.
9 citations
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July 2008 in “Oncology Reports” HPV16-transformed cells can change human skin cell properties, aiding tumor growth.
1 citations
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January 2001 Cancer patients have lower immunity and higher virus and zinc levels in their hair.
November 2022 in “Journal of the Endocrine Society” A rare ovarian tumor caused high testosterone and excess hair in a woman, which was resolved after tumor removal.
July 2001 in “Pediatrics in review” The girl's increased hair growth and other symptoms were due to a hormone-secreting ovarian tumor, which was successfully treated with surgery.
March 2011 in “European Urology Supplements” Blood tests for tumor cells could improve prostate cancer diagnosis and treatment; hair loss severity linked to a gene affecting prostate conditions.
759 citations
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February 2009 in “Current Biology” Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.
335 citations
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March 2004 in “Development” Temporary activation of β-catenin can create new hair follicles, but ongoing activation is needed to keep hair follicle tumors.
11 citations
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October 2005 in “Toxicological Sciences” Cigarette smoke condensates increase tumor-promoting markers in mouse skin, especially around hair follicles.
March 2023 in “Bagcılar medical bulletin” A young woman had a rare tumor causing high male hormone levels and symptoms like excessive hair and acne. After removing the tumor, her hormone levels returned to normal. Early diagnosis is important.