2 citations
,
September 2021 in “JAAD case reports” A man with a weakened immune system was diagnosed with a rare skin condition called trichodysplasia spinulosa using skin examination techniques.
7 citations
,
May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
October 2024 in “Journal of Cutaneous Pathology” Compound follicles in folliculitis decalvans mainly have active hair follicles.
30 citations
,
March 2015 in “Journal of Dermatology” Hair thickness differences help diagnose hair loss severity.
July 2023 in “Clinical, cosmetic and investigational dermatology” Reflectance confocal microscopy helped tell periorificial dermatitis apart from similar skin conditions.
January 2026 in “Dermatology Online Journal” CCCA can appear as patchy hair loss in younger men, not just the usual pattern.
25 citations
,
January 1983 in “Archives of dermatology” The conclusion is that Darier-White disease was accurately described by White but he missed the key feature of dyskeratotic cells which Darier identified.
June 2024 in “Bioscientia Medicina Journal of Biomedicine and Translational Research” Most children with alopecia areata have patchy hair loss and common trichoscopic features like yellow and black dots.
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.
21 citations
,
January 2009 in “Indian journal of dermatology, venereology, and leprology” A new method can better diagnose eruptive vellus hair cysts.
1 citations
,
August 2023 in “Journal of cutaneous pathology” The analysis of a large pilomatricoma revealed five distinct areas with different gene activity related to hair growth and tumor development.
32 citations
,
January 2014 in “Dermatology Research and Practice” Trichoscopy can effectively tell apart tinea capitis and alopecia areata in children by looking for specific hair shapes.
6 citations
,
August 2011 in “Anais Brasileiros de Dermatologia” Vellus hair cysts can cause acne-like bumps that don't respond to treatment.
August 1994 in “Journal of Dermatological Science”
11 citations
,
January 2014 in “Indian journal of dermatology, venereology, and leprology” Trichosporon inkin and Trichosporon mucoides can cause white piedra on scalp hair.
March 2025 in “American Journal of Medical Genetics Part A” A rare genetic variant linked to skin cysts was found in blood DNA, suggesting its role in cyst formation.
2 citations
,
February 2019 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Tufted folliculitis is common in patients with folliculitis decalvans.
1 citations
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July 2025 in “Indian Dermatology Online Journal” Certain hair and scalp features indicate a worse outcome in alopecia areata.
April 2016 in “Journal of The American Academy of Dermatology” The study found that Temporal Triangular Alopecia often starts in early childhood, while Folliculitis Decalvans is characterized by tufted hairs and redness around hair follicles.
1 citations
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December 1997 in “Archives of dermatology” A 34-year-old woman had itchy black bumps on her face due to a condition called trichostasis spinulosa.
January 2024 in “Asian Journal of Medical Sciences” Dermoscopes help tell FPHL apart from other hair loss types and can detect it early by identifying specific patterns.
March 2021 in “Revista da Associação Médica Brasileira” January 2009 in “Repositório Científico do Instituto Politécnico de Viseu (Instituto Politécnico de Viseu)” The skin lesion was diagnosed as a matrical cyst with unusual features.
May 2020 in “International journal of dermatology and venereology” Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
April 2016 in “Actas Dermo-Sifiliográficas” The document concludes that a unique target-like hair regrowth pattern in alopecia areata may be more common than thought and should be properly identified.
December 2024 in “IntechOpen eBooks” Trichoscopy helps diagnose and track alopecia areata by examining specific hair and scalp markers.
April 2012 in “Journal of the American Academy of Dermatology” Dermoscopy can help diagnose tinea capitis in children by looking for comma hairs, black dots, and broken hairs with white bands.
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.
February 2026 in “Clinical Cosmetic and Investigational Dermatology” A 7-year-old girl experienced temporary hair loss due to radiation, with signs of possible hair regrowth.
19 citations
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January 2015 in “Skin appendage disorders” The report found a new type of hair loss in African-American women that affects more areas of the scalp than previously thought.