6 citations
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January 2020 in “Postepy Dermatologii I Alergologii” Trichoscopy is useful for diagnosing hair-pulling disorder.
2 citations
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June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.
91 citations
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November 1987 in “Archives of Dermatology”
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
2 citations
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March 2011 in “Veterinary Dermatology” FGF18 is present in beagle dog hair follicles, mainly in the inner root sheath.
May 2022 in “Journal of Cutaneous Immunology and Allergy” Asymptomatic cats can spread scalp infections to humans.
January 2025 in “International Journal of Trichology” Trichotillomania can occur in unusual patterns and sites, highlighting the need for awareness and treatment options.
4 citations
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November 2018 in “JAAD case reports” Alopecia areata can sometimes appear as a straight line of hair loss instead of round patches.
June 2022 in “IP Indian journal of clinical and experimental dermatology” Benign skin adnexal tumors are more common than malignant ones, with trichoepithelioma and chondroid syringoma being the most frequent types.
15 citations
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March 1996 in “PubMed” Anorexia nervosa may cause a hair defect called pili torti due to malnutrition and high vitamin A levels.
October 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Stem cell niche exit in C. elegans is influenced by Sh1 cell membrane protrusions.
March 2021 in “Revista da Associação Médica Brasileira”
April 2016 in “Journal of The American Academy of Dermatology” The study found that Temporal Triangular Alopecia often starts in early childhood, while Folliculitis Decalvans is characterized by tufted hairs and redness around hair follicles.
June 2026 in “Indian Journal of Dermatology Venereology and Leprology” Trichoscopy helps detect and monitor androgenetic alopecia by identifying key scalp signs.
August 2018 in “Pediatric Dermatology” A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
January 2020 in “Journal of Entomology and Zoology Studies” Canine hair follicle stem cells are located in the isthmus/bulge region of the hair follicle.
56 citations
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October 2010 in “Pediatric Clinics of North America” Epidermal nevi are skin cell clusters linked to various syndromes.
36 citations
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April 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Canine hair follicles have stem cells similar to human hair follicles, useful for studying hair disorders.
43 citations
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March 2006 in “Seminars in Cutaneous Medicine and Surgery” Different types of hair loss have unique features under a microscope, but a doctor's exam is important for accurate diagnosis.
9 citations
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January 2011 in “American Journal of Dermatopathology” Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
July 2025 in “Clinical Case Reports” A new genetic mutation in the TRPS1 gene causes Trichorhinophalangeal Syndrome, leading to specific hair, dental, and bone issues.
1 citations
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March 2014 in “Turkderm” Trichoscopy helps tell different hair loss types apart using specific scalp and hair patterns.
January 2025 in “Veterinary Record Case Reports” The dog's skin condition improved quickly with treatment and did not return.
March 2026 in “Brazilian Journal of Animal and Environmental Research” Deslorelin can help control reproduction and improve hair growth in German Spitz dogs.
16 citations
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May 2017 in “Journal of Clinical Ultrasound” A rare finger tumor was imaged, showing a unique pattern not seen before.
4 citations
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March 2021 in “International Journal of Environmental Research and Public Health” Women with PCOS have higher body fat and skinfold thickness, especially in the H-O-POM phenotype.
1 citations
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March 2024 in “PubMed” Surgery with a carbon-dioxide laser successfully treated a Labrador's tongue condition, but some hair regrew.
May 2006 in “Dermatologic Surgery” Most nonbald men's multi-hair follicles are naturally positioned perpendicular to a line from the scalp's crown, which is important for natural-looking hair transplants.
July 2022 in “Journal of Investigative Dermatology” TRPS1 loss in balding scalp areas contributes to hair loss in androgenic alopecia.
July 2024 in “Journal of Investigative Dermatology”