March 2026 in “South Asian Research Journal of Medical Sciences” Removing keratin plugs and ingrown hairs improved scalp inflammation.
4 citations
,
December 1995 in “Archives of Dermatological Research” 11 citations
,
June 1974 in “Journal of Cutaneous Pathology” Follicular mucinosis causes significant damage to hair follicle cells.
25 citations
,
October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
September 2017 in “Journal of Investigative Dermatology” Hair follicle cells change their DNA packaging during growth cycles and when grown in the lab.
14 citations
,
June 2013 in “Anais Brasileiros de Dermatologia” Follicular red dots may be a normal feature seen in people with less skin pigmentation, not necessarily indicating a scalp disorder.
Daily hair care may cause holes in hair fibers.
January 2002 in “Linchuang pifuke zazhi” A young woman had a rare scalp tumor usually found in older women.
30 citations
,
October 1994 in “Journal of Cutaneous Pathology” Multiple perifollicular fibromas may actually be unrecognized cases of Birt-Hogg-Dubé syndrome.
October 2007 in “Springer eBooks” Trichoepithelioma and desmoplastic trichoepithelioma have distinct features that can be identified using reflectance confocal microscopy.
3 citations
,
July 1990 in “PubMed” Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.
18 citations
,
January 2013 in “Dermatology Online Journal” Trichofolliculoma is a rare skin bump on the face or scalp.
4 citations
,
August 1991 in “The Journal of Dermatology” The tumor on the man's nose was a rare type called pedunculated follicular hamartoma.
Removing follicular plugging is crucial for effective alopecia treatment.
8 citations
,
April 2012 in “Laser Physics Letters” Antiseptic particles penetrate deeper into hair follicles than non-antiseptic ones.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
24 citations
,
December 1957 in “Experimental Cell Research” The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
April 2025 in “Dermatology Practical & Conceptual” UV-enhanced trichoscopy helps diagnose hair shaft disorders like pili annulati.
January 1996 in “대한피부과학회지” High Demodex mite density may be linked to sebaceous hyperplasia.
April 2021 in “BMJ Case Reports” Accurate diagnosis of pseudolymphomatous folliculitis is crucial to avoid mistaking it for more serious conditions.
14 citations
,
June 2005 in “PubMed” A rare ear cyst contained hair fragments.
5 citations
,
March 2015 in “Indian Journal of Dermatology” Multiple trichofolliculomas can look like multiple trichoepitheliomas on the face.
1 citations
,
July 2009 in “Journal of dermatology” A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
7 citations
,
March 2018 in “Experimental Dermatology” Acne lesions don't show increased keratinocyte growth compared to healthy hair follicles.
3 citations
,
January 2022 in “Medical Mycology Journal” Malassezia fungi in healthy noses can form a "spaghetti-and-meatballs" structure.
316 citations
,
June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
7 citations
,
May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
8 citations
,
April 2014 in “Clinical and Experimental Dermatology” Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.