4 citations
,
July 1979 in “Journal of the American Academy of Dermatology” The hair and oil glands react by changing structure when stressed.
96 citations
,
February 2002 in “Journal of the American Academy of Dermatology” Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.
January 2024 in “International Journal of Advanced Research” Topical 6% salicylic acid effectively reduced skin plaques in a patient with wooly hair and palmoplantar keratoderma.
13 citations
,
February 2006 in “Clinical and Experimental Dermatology” A benign tumor developed at a girl's BCG vaccination site, not previously linked to the vaccine.
7 citations
,
January 2013 in “Indian dermatology online journal” A rare skin condition with dark, thick, warty patches and some hair loss was found in a newborn boy.
5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
August 2025 in “Dermatopathology” Pilomatricomas are often linked to genetic syndromes, especially Apert syndrome, and genetic analysis is crucial for diagnosis.
January 2008 in “The Internet Journal of Plastic Surgery” Thorough cleaning and hair removal are essential to effectively treat and prevent recurrent pilonidal sinus.
3 citations
,
January 2022 in “Medical Mycology Journal” Malassezia fungi in healthy noses can form a "spaghetti-and-meatballs" structure.
June 2024 in “Annals of Medicine and Surgery” Surgeons should know about pilomatricoma for accurate diagnosis, even though it's rare.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
8 citations
,
November 2015 in “The American journal of dermatopathology/American journal of dermatopathology” Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
1 citations
,
July 2018 in “JAMA dermatology” Poliosis causes white hair patches due to lack of melanin.
2 citations
,
May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
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.
April 2005 in “CRC Press eBooks” Excessive androgens in women with polycystic ovary syndrome can lead to excessive hair growth and hair loss, but this might not fully explain these conditions.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
1 citations
,
March 2013 in “Journal of Dermatological Case Reports” A rare skin condition affected only the facial hair of a 46-year-old man.
108 citations
,
October 2005 in “Journal of Ultrasound in Medicine” Ultrasonography improves pilomatricoma diagnosis accuracy.
7 citations
,
February 2005 in “Veterinary Dermatology” Horses with skin disease have more surface bacteria than healthy horses.
2 citations
,
June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.
28 citations
,
May 1998 in “Journal of the American Academy of Dermatology” Scalp inflammation can cause multiple hairs to grow from one follicle.
3 citations
,
August 2010 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” A rare genetic disease caused severe, worsening hair loss from early childhood with poor treatment results.
January 2022 in “Clinical Cases in Dermatology” A woman's scalp nodule was a common, harmless pilar cyst, treated by surgical removal.
2 citations
,
January 1990
The document showed detailed images of skin structures and discussed skin diseases and their diagnosis.
20 citations
,
February 2016 in “American Journal of Pathology” The genes OVOL1 and OVOL2 are important for hair growth and may be involved in a type of skin tumor.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
April 2026 in “Clinical Dermatology Review” Keratosis pilaris significantly affects quality of life and shows specific skin changes.
September 2021 in “CRC Press eBooks” Lichen planopilaris causes permanent hair loss and scarring due to damage to hair follicles and can be mistaken for other hair loss conditions.