March 2026 in “Dermatopathology” A rare skin tumor with extra hair growth was found and safely removed from a 27-year-old woman.
Trichoscopic examination is crucial for diagnosing congenital triangular alopecia.
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.
January 2017 in “European Journal of Dermatology” Excessive facial hair growth can indicate an underlying cancer.
2 citations
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June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.
13 citations
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February 2006 in “Clinical and Experimental Dermatology” A benign tumor developed at a girl's BCG vaccination site, not previously linked to the vaccine.
1 citations
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January 2015 in “Indian Journal of Veterinary Pathology” Two dogs had different types of hair follicle tumors.
March 2022 in “Ophthalmology Journal” A woman's rare benign eyelid tumor was correctly identified through detailed tissue analysis.
June 2025 in “British Journal of Dermatology” A rare skin condition in a boy is likely due to a specific genetic mutation pattern.
1 citations
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September 2024 in “Indian Journal of Postgraduate Dermatology” Trichoscopy effectively diagnoses temporal triangular alopecia in children.
December 2022 in “Laboratory Animal Research” Trichoblastomas in aged house musk shrews show unique features and may involve serum amyloid A in inflammation.
2 citations
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August 2025 in “Reports — Medical Cases Images and Videos” A rare pigmented skin tumor called melanotrichoblastoma was diagnosed in a 51-year-old woman.
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
1 citations
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March 2024 in “Ophthalmic Plastic and Reconstructive Surgery” A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
5 citations
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August 2000 in “Archives of Pathology & Laboratory Medicine” The nodule on the woman's back was a benign hair follicle tumor, not cancer, but needed removal.
6 citations
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June 2010 in “Dermatologica Sinica” Panfolliculoma is a rare, non-cancerous growth related to hair follicles.
18 citations
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April 2016 in “American Journal of Dermatopathology” Larger nail cavity sizes suggest benign tumors, while smaller ones may need further biopsy to rule out cancer.
37 citations
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April 1977 in “Journal of Cutaneous Pathology” Skin biopsy can help diagnose hair loss from trichotillomania.
January 2026 in “Annals of Pathology and Laboratory Medicine” Accurate diagnosis of rare pilomatrix carcinoma is crucial for effective treatment.
January 2026 in “Forum Dermatologicum” Thorough hair examination is crucial for accurate diagnosis and treatment.
35 citations
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September 2011 in “The Journal of Dermatology” Trichoscopy helps accurately diagnose temporal triangular alopecia.
32 citations
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August 2016 in “Journal of the American Academy of Dermatology” Temporal triangular alopecia is a non-scarring hair loss in children, often linked to other health conditions.
108 citations
,
October 2005 in “Journal of Ultrasound in Medicine” Ultrasonography improves pilomatricoma diagnosis accuracy.
8 citations
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January 2014 in “Indian Dermatology Online Journal” Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.
January 2022 in “Skin appendage disorders” Trichoscopy effectively visualizes scalp micropigmentation without invasive methods.
39 citations
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February 2011 in “American Journal of Dermatopathology” Onychomatricoma is a unique nail tumor that mimics the entire nail unit and is not related to other hair-related tumors.
April 2023 in “Our Dermatology Online” Trichoscopy is effective in diagnosing trichotillomania by showing specific hair patterns.
13 citations
,
November 1985 in “International Journal of Dermatology” The study found clear differences in lesion distribution and microscopic features among trichostasis spinulosa, keratosis pilaris, and eruptive vellus hair cysts.
November 2025 in “Journal of Skin and Sexually Transmitted Diseases” Trichofolliculoma was found in a person with amniotic band syndrome for the first time.
13 citations
,
January 1985 in “International Journal of Dermatology” The document found differences in lesion distribution and microscopic features among trichostasis spinulosa and similar skin conditions.