February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Hirsutism and acne indicate high androgen levels in women with PCOS, and early treatment can improve symptoms and quality of life.
38 citations
,
July 1998 in “Journal of surgical oncology” A woman with breast cancer developed a rare condition causing excessive fine hair growth on her face and body.
47 citations
,
January 1998 in “Molecular Carcinogenesis” ErbB2 signaling is crucial for skin cell growth and cancer development in mice.
January 2022 in “Clinical Cases in Dermatology” A man developed a unique rash on his neck after taking niacinamide, and doctors recommend considering niacinamide as a cause for similar rashes and using dermatoscopy for diagnosis.
March 1997 in “The Lancet” Hirsutism is abnormal male-pattern hair growth in females due to excess androgens.
August 2025 in “Scientific Reports” Itchy keloids on the chest are linked to more nerve fibers and substance P.
9 citations
,
July 2014 in “PubMed” Different S100 proteins have specific roles in various parts of the hair follicle.
January 2015 in “Hair transplant forum international” Up to 10% of hair loss patients might have early signs of a condition called Lichen Planopilaris.
April 2012 in “Informa Healthcare eBooks” Lichen planopilaris is a rare, chronic condition causing hair loss, mainly in middle-aged women, and early treatment is important to prevent permanent baldness.
5 citations
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August 2021 in “Experimental dermatology” Overexpressing Merkel cell virus proteins in human hair follicles can create clusters of cells that resemble Merkel cell cancer.
December 2023 in “Natural product research” Lignans from Urtica triangularis may help treat benign prostatic hyperplasia (BPH).
April 2022 in “Our Dermatology Online” A woman had unusual hair growth on one side of her chin without a known cause.
1 citations
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May 2024 in “Dermatology Online Journal” Scalp pemphigus vulgaris can be effectively treated with low-dose prednisone and triamcinolone.
9 citations
,
January 2015 in “Indian Dermatology Online Journal” Early diagnosis and treatment of Kaposi varicelliform eruption are crucial to prevent severe complications.
3 citations
,
August 2019 in “International Journal of Dermatology” Dermoscopy is useful for diagnosing lichen planopilaris and certain features may relate to disease duration, age, and gender.
January 2006 in “Chinese Journal of Dermatology” Cultured dermal papilla cells can regenerate hair follicles and sustain hair growth.
2 citations
,
July 2013 in “PubMed” The pubic hair loss was likely due to anorexia nervosa.
7 citations
,
May 1996 in “PubMed” Milia en plaque can be caused by skin damage, tumors, or external factors.
51 citations
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November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
January 2020 in “Medical journal of Dr. D.Y. Patil Vidyapeeth” Indian women with skin signs of high male hormones often have related health issues.
September 2020 in “Oral surgery, oral medicine, oral pathology and oral radiology” The report shows that a rare benign tumor was successfully removed from inside the mouth to avoid scarring on the face.
5 citations
,
March 1981 in “PubMed” A girl grew extra hair in areas where she had insect bites.
9 citations
,
April 2007 in “Journal of Andrology” Excessive pre-ejaculation can be treated with certain medications.
January 2025 in “BMJ Case Reports” Precocious puberty can signal familial adenomatous polyposis.
September 2011 in “Urology” Urinary PSA could be an early marker for enlarged prostate.
26 citations
,
April 2007 in “Journal of clinical oncology”
A 15-year-old boy's smelly, yellow armpit hair improved with clindamycin treatment.
53 citations
,
October 1984 in “Endocrine reviews” Excessive hair growth in women often has no known cause and is not linked to race or other hormonal symptoms.
August 2009 in “Mechanisms of Development” Adult hair follicle cells can create new hair follicles from corneal cells with the right support.
Spiny keratoderma is a rare skin condition with small spines on palms and soles, possibly linked to abnormal hair formation.