April 2026 in “Diagnostics” Parry–Romberg Syndrome can involve the brain even without obvious symptoms, and a new diagnostic framework is suggested for early detection.
September 2024 in “International Journal of Molecular Sciences” High doses of testosterone disrupt hormone levels and receptor expression in the uterus, affecting fertility.
24 citations
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March 2001 in “Journal of Endocrinology/Journal of endocrinology” Red deer only have androgen receptors in neck hair cells for mane growth during breeding season.
A neck lesion misdiagnosed as benign was later treated successfully with Mohs Micrographic Surgery.
34 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Human hair growth is influenced by androgen hormones, and red deer mane follicles have similar hormone receptors.
January 2022 in “Autopsy and Case Reports” A man had a non-cancerous neck tumor related to hair follicles removed with no return of the tumor.
January 2016 in “Dermatology online journal” A 15-year-old girl has a benign skin tumor on her neck.
5 citations
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July 2019 in “Atlas of the Oral and Maxillofacial Surgery Clinics” Tissue expansion for head and neck reconstruction has good blood supply and doesn't need capsule removal, but expect temporary hair loss with normal growth resuming after 6-8 months.
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.
3 citations
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November 2011 in “Small GTPases” Researchers found that hair follicle stem cells can become squamous cell carcinoma due to Ras activation, which could lead to new treatments.
7 citations
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February 2012 in “Facial Plastic Surgery” The mini-lift is a less invasive face-lift for younger patients that is quicker, cheaper, and has a fast recovery, but is less effective for the midface and excessive neck skin.
37 citations
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September 2005 in “Australasian Journal of Dermatology” A man with scalp and neck skin issues improved after a year of oral isotretinoin.
78 citations
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June 1989 in “The Journal of dermatologic surgery and oncology” Acne keloidalis is a chronic skin condition on the back of the neck in young black men, needing surgery for severe cases.
1 citations
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January 2009 A 25-year-old Malay fireman had skin bumps on his neck that were removed successfully after other treatments failed.
57 citations
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February 2006 in “Journal of Investigative Dermatology” Cylindromas likely originate from hair follicle stem cells, not sweat glands.
10 citations
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January 2011 in “Annals of Dermatology” A rare scalp tumor involving two hair follicles was successfully removed with surgery, with no recurrence after 7 months.
December 2023 in “Journal of comparative pathology” A dog had a rare skin cyst, known as a dilated pore of Winer, surgically removed from its neck.
January 2017 in “Journal of Plastic Reconstructive and Aesthetic Surgery” The authors suggest using scalp hair follicles for beard reconstruction to improve results and reduce surgery time and patient discomfort.
9 citations
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December 2004 in “Archives of Pathology & Laboratory Medicine” The neck mass was a rare benign "wattle," surgically removed for diagnosis and appearance.
3 citations
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August 2004 in “Veterinary Dermatology” Supplementing vitamins and minerals prevented hair loss in Icelandic horses.
1 citations
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January 2012 in “Indian Journal of Small Ruminants (The)” Chegu goats have two types of hair follicles, with primary ones having glands and muscles, and secondary ones lacking them.
15 citations
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September 1999 in “British Journal of Dermatology” Epimorphin, a protein, plays a key role in the development of hair follicles in human fetuses, but it doesn't help in maintaining the stem cell population of the follicular skin layer.
2 citations
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May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
8 citations
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August 2015 in “Journal of dermatological science” Rhododendrol in skin-whitening products can cause skin depigmentation and immune reactions.
March 1985 in “Head & Neck Surgery” Hair transplantation improves life quality by addressing scars, aging, and genetic flaws, but is limited by the availability of the patient's own hair for donation.
15 citations
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August 1988 in “Archives of Otolaryngology - Head and Neck Surgery” Minoxidil can cause excessive hair growth in the ear canal, leading to ear infections and hearing loss.
January 2012 in “Zhongguo shouyi xuebao” Sheep breeds show different keratin gene expression in the groin, linked to hair follicle density.
3 citations
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August 2019 in “Journal of Cancer Research and Therapeutics” Cetuximab can cause unusual hair growth and hair loss.
1 citations
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May 2023 in “Cureus” A rare hair follicle tumor in the hand was successfully removed with no return after four years.
9 citations
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August 2017 in “Journal of comparative pathology” Trichoblastomas in rabbits are linked to uncontrolled embryonic hair growth and have distinct histological features.