Trichoscopic examination is crucial for diagnosing congenital triangular alopecia.
February 2026 in “Journal of Cutaneous and Aesthetic Surgery” Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.
April 2025 in “Indian Journal of Paediatric Dermatology” Trichorrhexis invaginata can occur with tinea capitis, though it's rare.
12 citations
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April 2013 in “Clinical & experimental ophthalmology” Demodex blepharitis can be mistaken for eyelid cancer, so careful diagnosis is crucial.
8 citations
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June 1934 in “Archives of Dermatology and Syphilology” Ringworm of the scalp can heal on its own, especially if caused by animal-related fungi.
2 citations
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July 2016 in “Veterinary dermatology” Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
6 citations
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January 2018 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” An 8-year-old girl with Rapunzel syndrome had a hairball removed from her stomach and intestines and recovered well after surgery.
A 12-year-old girl was misdiagnosed with alopecia areata but actually had a nevus sebaceus with a genetic mutation.
2 citations
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January 2006 in “Indian Journal of Veterinary Pathology” Trichophyton mentagrophytes causes skin issues and nutrient deficiencies in young sheep, especially in winter.
14 citations
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November 2015 in “Dermatology” The research provided insights into the presentation and management of alopecic and aseptic nodules of the scalp.
1 citations
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September 2011 in “UHOD : Uluslararası hematoloji - onkoloji dergisi” Looking at tissue characteristics isn't reliable for telling apart basal cell carcinoma from certain benign skin tumors.
2 citations
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February 2021 in “Endocrinology, diabetes & metabolism case reports” A teenage girl had both a rare ovarian tumor and a severe form of polycystic ovarian syndrome.
August 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The research found that specific stem cells maintain skin gland openings and that disrupting their activity can cause blockages or early cancer signs, indicating a need for targeted treatments.
6 citations
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March 2018 in “Proceedings - Baylor University. Medical Center” Sarcoidosis can cause severe high calcium levels, hair loss, and kidney failure.
52 citations
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February 2009 in “Journal of the American Academy of Dermatology” A 93-year-old woman developed a rare scalp condition after therapy, which improved with steroids, not antibiotics.
April 2024 in “Indian dermatology online journal” A rare hair follicle disorder can cause itchy, bluish-black bumps on the body.
January 1977 in “Case Reports in Medicine” Steroid cell tumors in the ovary are rare, can produce testosterone causing symptoms, and are mainly treated with surgery.
3 citations
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October 2001 in “British Journal of Ophthalmology” An isolated episcleral plasmacytoma can mimic episcleritis, making diagnosis challenging.
2 citations
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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.
1 citations
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September 2022 in “Journal of the Egyptian Womenʼs Dermatologic Society” A rare scalp infection in a 66-year-old woman was successfully treated, leading to full hair regrowth.
25 citations
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October 2018 in “Journal of The American Academy of Dermatology” Erosive pustular dermatosis of the scalp is a type of skin inflammation often confused with other conditions, requiring continuous treatment.
November 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Disrupted cholesterol production impairs hair follicle stem cells, leading to hair loss.
October 2023 in “Journal of the Endocrine Society” A woman's cyclic Cushing syndrome was caused by a tumor in her adrenal gland that produced ACTH.
18 citations
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March 2009 in “Experimental Dermatology” Pilomatricoma can develop into various hair-related structures.
3 citations
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August 2012 in “The American Journal of Dermatopathology” A man with a birthmark on his scalp developed hair loss that improved with treatment, but the link between the birthmark and hair loss was unclear.
August 2012 in “Open Repository and Bibliography (University of Liège)” A castrated dog developed hair loss and prostate issues from long-term exposure to estrogen cream.
11 citations
,
January 1984 in “Veterinary Pathology”
May 2021 in “Journal of the Endocrine Society” A woman with a rare ovarian tumor and hyperparathyroidism improved after surgery, highlighting the need for reporting unusual cases to understand and manage rare diseases.
37 citations
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April 1977 in “Journal of Cutaneous Pathology” Skin biopsy can help diagnose hair loss from trichotillomania.
5 citations
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February 2013 in “PubMed” An 11-year-old girl's hair loss was caused by a Cladosporium fungal infection, which was cured with itraconazole treatment.