April 2020 in “International Journal of Dermatology” T-cell patterns in skin help distinguish alopecia areata from androgenetic alopecia.
April 2012 in “Informa Healthcare eBooks” Lichen planopilaris is a rare, chronic condition causing hair loss, mainly in middle-aged women, and early treatment is important to prevent permanent baldness.
4 citations
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September 2011 in “Journal of the American Academy of Dermatology” A man developed a skin cancer called folliculotropic mycosis fungoides after a kidney transplant.
4 citations
,
September 2017 in “Skin appendage disorders” The dog with an Alopecia Areata-like condition showed signs of an autoimmune disease and partially regrew hair without treatment, suggesting dogs could be models for human AA research.
3 citations
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December 2003 in “Archives of Pathology & Laboratory Medicine” The nodule was a benign cutaneous lymphadenoma, not cancer, and was successfully removed.
1 citations
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December 2021 Cats likely have a reactive skin condition, while dogs may have a more complex, possibly cancerous one.
6 citations
,
July 2009 in “Veterinary dermatology” Vesiculobullous lesions should be considered part of canine cutaneous epitheliotropic T-cell lymphoma.
13 citations
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March 2000 in “Veterinary Dermatology” Dogs have a skin condition like human pseudopelade, causing hair loss that doesn't improve with treatment.
5 citations
,
September 1989 in “Journal of The American Academy of Dermatology” Talc in street cocaine can cause immune-reactive skin nodules where injected.
6 citations
,
January 2022 in “Veterinary Sciences” Feline cutaneous lymphocytosis is likely reactive, while canine cutaneous lymphocytosis needs more study to understand its nature.
7 citations
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November 2007 in “Annales de Dermatologie et de Vénéréologie” A man was diagnosed with a rare form of lupus after showing unique skin symptoms that responded well to treatment.
September 2011 in “Chinese Journal of Dermatology” A man's skin condition was misdiagnosed and later identified as a rare type of skin cancer, which did not improve with treatment.
10 citations
,
April 2013 in “Veterinary dermatology” A new skin disease in four Labrador retrievers responded well to immunosuppressive treatment.
5 citations
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January 2019 in “Skin appendage disorders” The conclusion is that it's important to tell apart alopecia areata from lipedematous alopecia for proper treatment, as alopecia areata can be reversed.
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.
March 2023 in “Clinical, cosmetic and investigational dermatology” IL-33 is linked to hair follicle damage in psoriasis and could be a treatment target for hair loss in this condition.
22 citations
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June 2013 in “Australasian Journal of Dermatology” Early stage bald spots are linked to skin inflammation and damage to the upper part of the hair follicle.
17 citations
,
July 1994 in “Journal of Dermatological Science” The cause of alopecia areata is likely a mix of genetics, immune system issues, and environmental factors, with more research needed to understand it fully.
12 citations
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April 2017 in “Experimental and Therapeutic Medicine” Patients with severe active alopecia areata have lower CD200 expression and an imbalance in their immune system.
8 citations
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January 2002 in “Piel” Postmenopausal women may experience frontal hairline and eyebrow loss due to cicatricial fibrosis.
January 2026 in “Dermatologic Therapy” Folliculotropic Mycosis Fungoides requires stage-based treatment, with early stages using skin therapies and advanced stages needing aggressive treatments.
September 1997 in “Journal of the European Academy of Dermatology and Venereology” People with acne have more CD4+ immune cells in their skin than healthy people.
16 citations
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April 2007 in “Journal of Medical Primatology” The monkey's hair loss was due to an autoimmune disease, not genetics.
9 citations
,
February 2002 in “International Journal of Dermatology” The patient's symptoms improved with treatment but recurred when the steroid dose was reduced, requiring ongoing therapy.
4 citations
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October 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Using an anti-ICAM-1 antibody with rapamycin improves hair transplant survival in monkeys.
1 citations
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September 2016 in “Veterinary dermatology” A combination of ciclosporin and ketoconazole can effectively treat severe hair loss in dogs.
Lichen planopilaris and frontal fibrosing alopecia are likely the same disease with different clinical appearances.
24 citations
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January 2012 in “Indian Journal of Dermatology, Venereology and Leprology” Diffuse alopecia areata involves more inflammation and higher allergy-related antibodies than patchy types.
14 citations
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September 2016 in “Journal of Cutaneous Pathology” The document concludes that new methods improve the accuracy of diagnosing scalp alopecia and challenges the old way of classifying it.
September 2025 in “Dermatology Online Journal” Biopsy is crucial for diagnosing unusual hair loss causes like lymphoma.