15 citations
,
January 2012 in “International Journal of Trichology” Hair casts on the scalp may be a sign of ongoing pemphigus vulgaris and could suggest a need to adjust treatment.
40 citations
,
January 2013 in “International journal of trichology” Perifollicular erythema can indicate active frontal fibrosing alopecia.
7 citations
,
May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
January 2015 in “Turkiye Klinikleri Journal of Dermatology” Peripilar keratin casts are a helpful sign for diagnosing traction alopecia.
April 2025 in “Dermatology Practical & Conceptual” UV-enhanced trichoscopy helps diagnose hair shaft disorders like pili annulati.
12 citations
,
March 2004 in “Journal of Investigative Dermatology”
9 citations
,
June 2017 in “Journal of Cutaneous Pathology” People with pemphigus vulgaris and pemphigus foliaceus often have smaller sebaceous glands on their scalp.
March 2019 in “Nasza Dermatologia Online” A rare scalp condition with hair loss was correctly diagnosed and treated, leading to hair regrowth.
Pseudopelade is likely an independent disease due to its distinct features.
January 2018 in “Skin appendage disorders” A woman's hair loss was correctly diagnosed as Lichen planopilaris after initial misdiagnosis, highlighting the usefulness of trichoscopy in diagnosing hair disorders.
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.
21 citations
,
April 2019 in “Clinical, cosmetic and investigational dermatology” The document concludes that stopping shaving or removing affected hair can alleviate Pseudofolliculitis barbae (PFB).
January 2023 in “Journal of Cutaneous Pathology” The study found certain scalp biopsy features can help tell apart alopecia areata from pattern hair loss even when typical immune cells are not seen.
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.
7 citations
,
July 2011 in “Survey of Ophthalmology” The document concludes that periocular hair disorders have various causes and treatments, and proper evaluation by specialists is important for management and prognosis.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
5 citations
,
April 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” Stopping shaving or removing hair follicles usually resolves Pseudofolliculitis barbae.
July 2023 in “Dermatology Practical & Conceptual” A positive anagen pull test can help detect active Lichen Planopilaris.
September 2025 in “Ukrainian Journal of Dermatology Venerology Cosmetology” Early diagnosis and treatment can stop hair loss and prevent scalp damage in pseudopelade of Brocq.
July 2023 in “Clinical, cosmetic and investigational dermatology” Reflectance confocal microscopy helped tell periorificial dermatitis apart from similar skin conditions.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
March 2024 in “Journal of clinical medicine” Trichoscopy shows hair diameter variability, vellus hairs, and the peripilar sign are key indicators for diagnosing Androgenetic Alopecia.
17 citations
,
July 1977 in “International Journal of Dermatology” Proper shaving techniques and specific topical treatments can help manage pseudofolliculitis barbae.
17 citations
,
September 2010 in “Pediatric dermatology” A 15-year-old with KID syndrome developed a rare skin condition called PEHFN.
1 citations
,
November 2024 in “Archives of Dermatological Research”
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.
October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
3 citations
,
August 2019 in “International Journal of Dermatology” Dermoscopy is useful for diagnosing lichen planopilaris and certain features may relate to disease duration, age, and gender.