A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
6 citations
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February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
2 citations
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May 2018 in “Journal of The American Academy of Dermatology” Hypothyroidism patients with hair loss typically have thinning hair, smaller hair follicles, and normal hair shedding.
19 citations
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January 2011 in “Clinics” A young woman with a rare hair loss condition improved with steroid and biotin treatment.
1 citations
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October 2021 in “Australasian Journal of Dermatology” The document's conclusion cannot be provided because the document is not available or cannot be understood.
December 2007 in “CRC Press eBooks” Alopecia areata incognita causes widespread hair loss without patches and needs a scalp biopsy for diagnosis.
8 citations
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July 2014 in “Anais Brasileiros de Dermatologia” A man's scalp condition was misidentified as hair loss dots but was actually a common follicular disorder.
June 2022 in “Indian Dermatology Online Journal” A man with total hair loss developed blackhead-like spots on his scalp, possibly because no hair was present to help drain oils.
21 citations
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April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.
85 citations
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February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
41 citations
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January 2014 in “Annals of Dermatology” Dermoscopic examination helps diagnose different types of hair loss conditions by showing specific patterns.
July 2025 in “InnovAiT Education and inspiration for general practice”
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.
9 citations
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July 1982 in “International Journal of Dermatology” A 31-year-old man's hair turned white suddenly, likely due to alopecia areata.
18 citations
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May 1992 in “American Journal of Biological Anthropology” Higher androgen levels do not cause baldness in men.
2 citations
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October 2000 in “Journal of Investigative Dermatology” AUC and APL are distinct conditions needing careful clinical assessment.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” A woman's rare hair loss condition improved on its own, suggesting this type might recover like common cases.
14 citations
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November 2011 in “Journal of The American Academy of Dermatology” Alopecia Areata Incognita causes widespread hair thinning, and treatment with systemic corticosteroids and psychiatric support can lead to remission.
December 2017 in “Journal of the American Academy of Dermatology” The patient accepted her hair loss and adapted by wearing a wig and tattooing her eyebrows.
January 2022 in “Clinical Cases in Dermatology” A 22-year-old man has alopecia areata, an autoimmune hair loss condition, with various treatments available.
5 citations
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October 2003 in “Archives of Dermatology” The elderly woman experienced hair loss and scalp itching, especially at the front hairline, and lost her eyebrows.
Accurate diagnosis of hair loss types is crucial for effective treatment.
7 citations
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January 2012 in “International journal of trichology” Permanent hair removal with lasers may cure itchy black hair bristles on the back.
February 2012 in “Clinical and Experimental Dermatology” Many adult women experience unexplained excessive hair shedding, often starting before age 40.
31 citations
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March 2017 in “Journal of The American Academy of Dermatology” Some breast cancer patients developed permanent hair loss after chemotherapy and hormonal therapy, showing patterns similar to common baldness and alopecia areata.
56 citations
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June 2010 in “Clinical and experimental dermatology” Coudability hairs are useful markers for alopecia areata activity.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
December 2022 in “Curēus” Genetic testing confirmed a young girl has Atrichia with Papular Lesions due to mutations in the hairless gene.
19 citations
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May 2006 in “Clinical and Experimental Dermatology” Researchers found a new mutation causing total hair loss from birth.
25 citations
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October 1996 in “Dermatologic Clinics” Loose Anagen Syndrome causes easy-to-pull, thin hair, mainly in young girls, and improves with age.