June 2023 in “Dermatology online journal” A person with thyroid problems had rare, swollen, bald spots on their scalp caused by a condition usually found on the shins.
December 2022 in “Journal of Paediatrics and Child Health” The girl's itchy armpit and pubic lesions didn't improve with antifungal cream.
April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
April 2022 in “Indexia revista médico - científica” Alopecia causes sudden hair loss, possibly due to genetic, environmental, or immune factors.
December 2007 in “CRC Press eBooks” Alopecia areata incognita causes widespread hair loss without patches and needs a scalp biopsy for diagnosis.
12 citations
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November 1987 in “Pediatric dermatology” Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
37 citations
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June 2000 in “Experimental dermatology” The Lanceolate hair-J mutation in mice mimics human hair disorders like Netherton's syndrome.
The naked mutation in mice causes hair loss and helps identify keratin genes.
January 2025 in “Pharmaceutical journal/The pharmaceutical journal” Alopecia areata causes patchy hair loss due to the immune system attacking hair follicles.
September 2021 in “CRC Press eBooks” Fibrosing alopecia in a pattern distribution is a type of hair loss that may often be overlooked, especially in men.
January 2021 in “International journal of dermatology, venereology and leprosy sciences” Trichoscopy shows black dots, yellow dots, and empty follicles are common in Alopecia Areata, with broken and exclamation mark hair as typical patterns.
2 citations
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June 1980 in “International Journal of Dermatology” Scalp biopsies are important for diagnosing hair loss conditions.
2 citations
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July 2021 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair shaft disorders are diagnosed through examination and history, with general care and some treatments offering improvement.
4 citations
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November 2025 in “Nature Reviews Disease Primers” 5 citations
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September 1997 in “Archives of Dermatology” The boy's hair loss was likely caused by a fungal infection.
3 citations
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July 2014 in “QJM” A 35-year-old man had patchy hair loss that was actually due to syphilis, not alopecia areata.
February 2023 in “Journal of vaccines and immunology” Alopecia areata causes sudden hair loss, often on the scalp, and can be severe, especially with early onset or related health issues.
23 citations
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November 2011 in “Journal of the European Academy of Dermatology and Venereology” Hair loss is a rare but recognized symptom of pemphigus vulgaris, with patients usually regrowing hair after treatment.
1 citations
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January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
2 citations
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March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.
1 citations
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January 2019 in “Acta dermato-venereologica” The woman's skin and hair symptoms were confirmed as frontal fibrosing alopecia, and while facial papules are common in such cases, there's no effective local treatment, but systemic treatments can help.
4 citations
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January 2012 in “Springer eBooks” The document concludes that signs of male and female pattern baldness include uneven hair thickness, yellow spots, skin discoloration around hair follicles, more thin and soft hairs, and many hair follicles with just one hair.
1 citations
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
7 citations
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March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
1 citations
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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.
December 2024 in “Minia Journal of Medical Research” White hair in alopecia areata may be linked to reduced Sox10 expression.
1 citations
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November 2010 in “Pediatric dermatology” An 11-month-old girl has no scalp or body hair, and the cause is being studied.
5 citations
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January 2018 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Congenital atrichia with papular lesions causes permanent hair loss in children.
February 2023 in “Cosmoderma” Loose anagen hair syndrome causes easily shed hair but usually improves with time.