3 citations
,
March 2013 in “American Journal of Dermatopathology” Ossification in trichilemmal cysts is more common than previously believed.
125 citations
,
August 2003 in “Development” Mice with human-like EGFR had growth issues, skin defects, heart problems, and unusual bone development.
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.
69 citations
,
August 1999 in “Developmental biology” The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
35 citations
,
April 1998 in “PubMed” Activated erbB-2 in mice skin causes severe skin and hair abnormalities.
2 citations
,
September 2004 in “Fertility and sterility” High androgen levels can cause excessive hair growth and may indicate serious health issues, including heart disease and fertility problems.
9 citations
,
January 2007 in “Endocrine Practice” A woman's male-like symptoms and high testosterone were due to ovarian hilus-cell hyperplasia, which improved after 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.
January 2026 in “Elsevier eBooks”
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
49 citations
,
August 2004 in “The FASEB Journal” Mice with human skin protein K8 had more skin problems and cancer.
3 citations
,
December 1967 in “Australasian Journal of Dermatology” Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
27 citations
,
April 2017 in “European journal of endocrinology” The research found that MRI and certain hormone levels can help tell apart ovarian tumors from hyperthecosis in postmenopausal women, but tissue analysis is still needed for a definite diagnosis.
October 2024 in “Journal of the Endocrine Society” Rare ovarian tumors can cause hyperandrogenism, even if imaging appears normal.
32 citations
,
April 1994 in “Journal of the American Academy of Dermatology” High androgen levels and genetic factors likely cause Becker's nevus and related symptoms.
147 citations
,
April 1997 in “Oncogene” Overexpressing IGF-1 in mice leads to skin abnormalities and tumors.
ETS2 is crucial in squamous cell carcinoma development and could be a therapeutic target.
7 citations
,
October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.
A 73-year-old woman's unusual hair loss and growth led to the discovery of a rare condition causing too much testosterone, which improved after her ovaries were removed.
April 2018 in “Journal of Investigative Dermatology” High amphiregulin in the skin is a bad sign for acute graft-versus-host disease.
18 citations
,
January 2021 in “Skin Research and Technology” High-frequency ultrasound effectively measures basal cell carcinoma depth.
4 citations
,
March 2021 in “Journal of Histotechnology” Hidradenitis suppurativa lesions have less collagen and elastin but more new blood vessels.
352 citations
,
January 2006 in “The Journal of Clinical Endocrinology and Metabolism” Most women referred for excess male hormone symptoms had polycystic ovary syndrome (PCOS), with other conditions being less common.
63 citations
,
March 2011 in “Clinical Endocrinology” Evaluate postmenopausal women with high androgen levels using medical history, physical exams, lab tests, and imaging to manage health risks.
September 2016 in “Journal of Dermatological Science” A gene mutation worsens skin irritation in mice due to a lack of certain fats.
January 2011 in “Revista Portuguesa de Endocrinologia Diabetes e Metabolismo” Congenital adrenal hyperplasia may be linked to adrenal myelolipoma.
August 2025 in “BMC Pregnancy and Childbirth” A new EDA gene variant causes X-linked hypohidrotic ectodermal dysplasia in a Chinese family.
February 2026 in “Journal of Cutaneous and Aesthetic Surgery” Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.
December 1981 in “Pediatric Research”
3 citations
,
May 1990 in “Journal of Steroid Biochemistry” Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.