June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
40 citations
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February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
6 citations
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January 2017 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” A rare hair follicle tumor was found on a woman's vulva.
26 citations
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December 1979 in “Journal of Cutaneous Pathology” Seborrheic keratoses may partly come from hair follicle cells.
67 citations
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November 2019 in “Nature Communications” Oncogenic melanocyte stem cells can develop into melanoma similar to human cases.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing MCPIP1 from myeloid cells in mice leads to hair loss and prevents skin tumors but causes pigmented spots.
7 citations
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January 2012 in “International Journal of Trichology” A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.
6 citations
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April 2013 in “International Journal of Dermatology” Dermoscopy helps diagnose unusual skin lesions like osteonevus of Nanta and can prevent misdiagnosis of serious conditions.
15 citations
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January 2013 in “European Journal of Pediatrics” Patients with Shwachman-Diamond syndrome often get misdiagnosed due to a wide range of symptoms, including immune system problems and bone abnormalities.
43 citations
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April 2010 in “Clinical genetics” Truncating mutations in the C2orf37 gene cause Woodhouse–Sakati syndrome.
5 citations
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July 2022 in “Orphanet journal of rare diseases” RSPO1 mutations in certain patients lead to skin cells that don't develop properly and are more likely to become invasive, increasing the risk of skin cancer.
2 citations
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February 2025 Merkel cell polyomavirus can infect and persist in skin cells, evading the immune system, but certain treatments can control it.
August 2022 in “JAAD case reports” A woman with a long-term skin condition developed a serious skin cancer that led to her death.
Basaloid follicular hamartoma is a rare, benign skin growth often misdiagnosed.
January 2002 in “Linchuang pifuke zazhi” A young woman had a rare scalp tumor usually found in older women.
May 2024 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” A rare scalp tumor was removed from a 49-year-old woman, with a good outlook if benign but needing careful monitoring if malignant.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
June 2024 in “Dermatopathology” A rare type of skin cancer on the scalp can be mistaken for hair loss, causing delayed diagnosis and severe damage.
4 citations
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January 2011 in “European journal of dermatology/EJD. European journal of dermatology” A boy had a rare scalp condition with thickened skin and different-colored hair.
September 2016 in “Journal of Dermatological Science” A specific mutation known for causing cancer is also found to cause a skin condition in a young girl.
April 2017 in “Medicina Clínica (english Edition)” A woman with a rare form of multiple myeloma had a headache and a skull mass, which led to her diagnosis after tests and a biopsy.
10 citations
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January 2016 in “Dermatology” People with myotonic dystrophy type 1 tend to develop basal cell carcinoma at a younger age but not more frequently than others.
April 2023 in “Clinical theriogenology” The dog's skin condition improved after removing a tumor that was causing hormone imbalances.
June 2025 in “Histopathology” Epithelial elements in superficial angiomyxomas are non-neoplastic growths mimicking embryogenesis.
September 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
26 citations
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October 2007 in “American Journal of Dermatopathology” Basal cell carcinoma with matrical differentiation is a rare type linked to hair follicles, with .-catenin important for its development.
2 citations
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May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
23 citations
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June 2016 in “Journal of Veterinary Internal Medicine” Cats can have hypersomatotropism without diabetes, suggesting current diagnosis methods may miss cases.
1 citations
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July 2024 in “Journal of Investigative Dermatology” Immune cells boost stem cell activity in hairy moles, causing more hair growth.