November 2022 in “Journal of Investigative Dermatology” Dandruff is linked to changes in the immune system of hair follicles and skin.
July 2022 in “Journal of Investigative Dermatology” IL-15 helps maintain hair growth and protects the immune status of hair follicles.
December 2013 in “Pump Industry Analyst” The method effectively delivers vaccines through the skin without needles.
January 1999 in “대한피부과학회지” Trichotillomania is more common in young females and often linked to stress and psychiatric conditions, with hair loss and increased catagen hair observed.
Lichen spinulosus, usually seen in young people, can rarely occur in adults, as shown by a 52-year-old woman with a rough, bumpy rash.
February 2026 in “Nature Communications” Inhibiting connective tissue sheath contraction may improve hair growth in male pattern baldness.
183 citations
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January 2014 in “BioMed Research International” AA-PRP injections effectively increase hair count and thickness for male pattern hair loss.
New treatments for alopecia areata, like JAK inhibitors and immunomodulators, are promising.
December 2023 in “International Journal of Research in Dermatology” Halo Scalp Ring is a rare newborn hair loss that can be missed, and early diagnosis can avoid extra tests and worry for parents.
3 citations
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March 2021 in “Cureus” A rare combination of halo nevi, nonsegmental vitiligo, and early gray hair can occur together.
October 2025 in “Indian Journal of Paediatric Dermatology” The infant's hair loss resolved naturally by 20 months without treatment.
January 2017 in “Turkiye Klinikleri Journal of Dermatology” A 9-month-old baby had a rare, persistent ring-shaped hair loss condition.
March 2026 in “Dermatology Online Journal” Cystic panfolliculoma is a rare, harmless tumor that can be confused with other skin tumors.
21 citations
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April 2000 in “Journal of Cutaneous Pathology” The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.
February 2013 in “Journal of the American Academy of Dermatology” Follicular red dots can appear where alopecia areata and vitiligo overlap.
35 citations
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November 2010 in “Journal of Cutaneous Pathology” Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
2 citations
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June 2012 in “American Journal of Dermatopathology” A rare neck cyst in a 47-year-old man showed diverse skin cell types and was not linked to HPV.
7 citations
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June 2017 in “Journal of Cutaneous Pathology” Cystic panfolliculoma resembles hair follicle tumors due to specific cell interactions.
18 citations
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January 2013 in “Dermatology Online Journal” Trichofolliculoma is a rare skin bump on the face or scalp.
18 citations
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July 2016 in “Journal of The American Academy of Dermatology” Some skin lymphomas can look like common skin issues and need careful testing to diagnose correctly.
6 citations
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June 2010 in “Dermatologica Sinica” Panfolliculoma is a rare, non-cancerous growth related to hair follicles.
Benign tumors from hair follicles can look like other skin cancers but have distinct features under dermoscopy.
1 citations
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April 2019 in “JAAD case reports” A woman with lymphoma had a rare skin rash on her scalp and forehead, which was hard to diagnose but responded well to treatment.
Basaloid follicular hamartoma is a rare, benign skin growth often misdiagnosed.
11 citations
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June 1985 in “Journal of cutaneous pathology” Examining many sections is key to correctly diagnosing hair follicle disorders.
January 2025 in “International Journal of Dermatology” Consider TFI in facial hypopigmentation diagnoses and confirm with a biopsy.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
53 citations
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September 2011 Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.
1 citations
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January 2022 in “Clinical dermatology review” A young man's cheek papule was identified as a benign hair follicle tumor using a skin surface microscope.