October 2021 in “Journal of Investigative Dermatology” Dkk4 protein is necessary for the proper development and arrangement of hair follicles.
January 2022 in “Clinical Cases in Dermatology” A 4-year-old boy has a rare type of hair loss in a line pattern on his scalp.
April 2025 in “Indian Journal of Paediatric Dermatology” Trichorrhexis invaginata can occur with tinea capitis, though it's rare.
March 2026 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Recognizing unusual patterns of hair loss helps dermatologists diagnose and manage Alopecia Areata better.
93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
16 citations
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January 2010 in “American Journal of Neuroradiology” Specific brain and bone imaging findings can help diagnose Trichothiodystrophy.
55 citations
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November 2010 in “Development” Hair follicles in mutant mice self-organize into ordered patterns within a week.
November 2021 in “CRC Press eBooks” Fibrosing alopecia in a pattern distribution is a new type of scarring hair loss that resembles common baldness and an autoimmune skin disease.
16 citations
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May 2017 in “Journal of Clinical Ultrasound” A rare finger tumor was imaged, showing a unique pattern not seen before.
1 citations
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March 2023 in “Journal of the Turkish Academy of Dermatology” Temporal triangular alopecia may be linked to sebaceous nevus and shows a new pinkish background feature.
1 citations
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November 2025 in “Science Advances” Two gene variants cause white spots in cattle.
April 2023 in “Journal of Dermatological Treatment” Tofacitinib helped regrow hair in a teen with a unique pattern of alopecia areata.
July 2022 in “Journal of Investigative Dermatology” Dkk4 is necessary for the initial development and arrangement of hair follicles.
January 2023 in “Journal of Clinical and Diagnostic Research” Trichoscopic patterns often overlap in scalp disorders, so dermatologists need to stay updated.
10 citations
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January 1971 in “The American midland naturalist” A simple method can show hair's surface pattern.
91 citations
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December 2006 in “Proceedings of the National Academy of Sciences” Hair patterns in mice are controlled by both a global system dependent on Fz6 and a local self-organizing system.
March 2024 in “Clinical Case Reports” Early detection of tinea capitis is possible by spotting specific hair patterns like comma or corkscrew hairs.
2 citations
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February 2019 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Tufted folliculitis is common in patients with folliculitis decalvans.
21 citations
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July 2005 in “European Journal of Emergency Medicine” Hair-tourniquet syndrome can cause serious toe injuries in infants but can be treated if found early.
April 2018 in “Veterinary Pathology” Tigers had a skin condition causing hair loss and inflammation, but the cause is unknown and treatment didn't work.
January 2022 in “Clinical Cases in Dermatology” A 47-year-old man was diagnosed with a specific type of hair loss and advised to use certain medications and avoid hair transplants.
IRS-specific genes in Tan sheep hair follicles peak at birth and may affect wool crimp.
158 citations
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December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
26 citations
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August 2013 in “Australasian Journal of Dermatology” Certain scalp patterns can indicate the severity and activity of hair loss in Turkish alopecia patients.
37 citations
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March 2005 in “Journal of Paediatrics and Child Health” A hair strand caused a rare case of limb strangulation in a teenage girl with autism, and the condition is not always linked to child abuse.
July 2019 in “Indian dermatology online journal” Alopecia areata can show unusual red-dotted vessels and dithranol treatment may mask typical patterns.
81 citations
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September 2009 in “Birth defects research” Different body areas in mice produce different hair types due to interactions between skin layers.
37 citations
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January 2017 in “International Journal of Dermatology” Trichoscopy helps tell apart alopecia areata and trichotillomania in Asians by looking at specific hair and scalp features.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
127 citations
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December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.