2 citations
,
October 1931 in “Archives of Dermatology and Syphilology” A rare scalp infection in a child developed into a kerion with additional skin symptoms.
A man had a rare pigmented nodule on his scalp that developed from birthmarks.
23 citations
,
February 2003 in “British Journal of Dermatology” A rare type of skin lymphoma was identified, affecting hair follicles and sweat glands.
January 2003 in “Linchuang pifuke zazhi” Melanin granules can be expelled by exocytosis.
5 citations
,
January 2018 in “Indian Dermatology Online Journal” A brown shadow seen in dermoscopy is a marker for lichen nitidus.
1 citations
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January 2012 in “Journal of Toxicologic Pathology” A rat had a cyst similar to a hair follicle structure.
12 citations
,
January 1994 in “Dermatology” The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.
December 2009 in “Journal of Veterinary Clinics” The dog's back mass was a keratoacanthoma with inflammation, successfully removed without recurrence.
March 1998 in “Journal of dermatological science” Protease Nexin-1 is found in human hair growth cells and is affected by male hormones.
October 2024 in “Journal of Cutaneous Pathology” Compound follicles in folliculitis decalvans mainly have active hair follicles.
32 citations
,
August 1982 in “Journal of the American Academy of Dermatology” GLPLS and LPP are variants of lichen planus.
4 citations
,
May 1981 in “Australian Journal of Biological Sciences” Rat hair follicle cells can produce and release various glycosaminoglycans over time.
6 citations
,
June 1986 in “The Journal of Dermatology” Reticular erythematous mucinosis syndrome can occur with minimal mucin deposition.
April 2018 in “Journal of Investigative Dermatology” The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.
January 2009 in “Journal of the American Academy of Dermatology” Generalized trichoepitheliomas with alopecia may indicate myasthenia gravis.
6 citations
,
June 1976 in “Journal of ultrastructure research” Keratinized wool cells still have some organelles like lysosomes and mitochondria.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
September 2025 in “Journal of Clinical Medicine” Elevated granulysin levels may indicate disease activity in vitiligo and alopecia areata.
September 2011 in “Clinical Biochemistry” Certain sugars increase in some layers of the hair follicle during the middle of the healing process in rats, which may help improve healing.
February 2013 in “Journal of the American Academy of Dermatology” Follicular red dots can appear where alopecia areata and vitiligo overlap.
8 citations
,
April 1979 in “Journal of Cutaneous Pathology” Giant cells found in some male pattern baldness cases may help diagnose it and suggest hair is mistakenly seen as foreign by the body.
19 citations
,
July 1994 in “International Journal of Dermatology” A 9-year-old boy had a calcium deposit nodule on his earlobe.
2 citations
,
September 2010 in “Acta Ophthalmologica” Meibomian glands are like hair follicles without a hair shaft.
53 citations
,
September 2011 Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.
4 citations
,
August 2013 in “Pediatric dermatology” Hair casts can be treated with physical removal and special shampoos.
February 2009 in “Journal of The American Academy of Dermatology” Yellow dots look different in various hair loss conditions and can help diagnose them.
20 citations
,
April 2017 in “Journal of the American Academy of Dermatology” Antimalarial drugs, especially chloroquine, can effectively treat granuloma annulare.
31 citations
,
June 1997 in “International Journal of Dermatology” Chemotherapy successfully treated both Hodgkin's disease and skin lesions.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.
November 2025 in “SKIN The Journal of Cutaneous Medicine” Granuloma faciale can occur on the scalp, especially in people with advanced hair loss, and may improve with treatment.