January 2024 in “Diagnostic cytopathology” Trichilemmal carcinoma can spread to the parotid gland and be diagnosed using fine-needle aspiration cytology.
A neck lesion misdiagnosed as benign was later treated successfully with Mohs Micrographic Surgery.
September 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Three genes linked to the development of trichilemmal cysts were found.
Tricholemmoma is linked to Cowden syndrome and can be benign or malignant.
16 citations
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May 2017 in “Journal of Clinical Ultrasound” A rare finger tumor was imaged, showing a unique pattern not seen before.
8 citations
,
June 2010 in “Plastic & Reconstructive Surgery” Complete removal of scalp tumors is crucial, but malignant cases may recur or metastasize, requiring a multidisciplinary approach and close follow-up.
6 citations
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July 2013 in “Archives of Plastic Surgery” Using thigh skin, doctors successfully rebuilt a woman's scalp after removing a large tumor, with no tumor return after 8 months.
3 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.
January 2002 in “Linchuang pifuke zazhi” A young woman had a rare scalp tumor usually found in older women.
11 citations
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May 2008 in “British journal of dermatology/British journal of dermatology, Supplement” Identical p53 gene mutations in different cancers suggest the need for careful treatment.
6 citations
,
August 2008 in “Journal of Forensic Sciences” Recognizing specific tissue types on telogen hair roots can improve DNA typing.
6 citations
,
December 1990 in “PubMed” Keratinocytes in hair follicles differentiate similarly to skin cells, with specific patterns in different regions.
1 citations
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January 1995 in “Skin Cancer” Immunohistochemistry helps accurately identify and differentiate malignant trichilemmoma.
March 2025 in “American Journal of Medical Genetics Part A” A rare genetic variant linked to skin cysts was found in blood DNA, suggesting its role in cyst formation.
August 2023 in “Journal of the European Academy of Dermatology and Venereology” Onycholemmal horn is a rare nail tumor in elderly women, treated by surgical removal.
January 2009 in “Repositório Científico do Instituto Politécnico de Viseu (Instituto Politécnico de Viseu)” The skin lesion was diagnosed as a matrical cyst with unusual features.
January 2008 in “Pratique médicale & chirurgicale de l'animal de compagnie” Alopecia X in dogs is a cosmetic issue, not a hormonal disorder, and harmful treatments should be avoided.
January 2005 in “Journal of Cutaneous Pathology” A unique type of complex cyst was found on a man's scrotum.
January 1990 in “The Nishinihon Journal of Dermatology” Follicular structures help differentiate keratoacanthoma from squamous cell carcinoma.
5 citations
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May 2013 in “The American Journal of Dermatopathology” The author now believes tricholemmal carcinoma is a rare type of infundibular squamous cell carcinoma and more research is needed on these tumors.
4 citations
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January 2019 in “Journal of cutaneous pathology” The mTOR pathway may be involved in the development of hair follicle tumors, with higher activity in malignant tumors.
Trichoepithelioma and desmoplastic trichoepithelioma have distinct features that can be identified using reflectance confocal microscopy.
133 citations
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March 1999 in “Journal of Cutaneous Pathology” Trichoepitheliomas and some basal cell carcinomas likely come from hair follicle stem cells.
April 2026 in “International Journal of Drug Delivery Technology” Histopathology is crucial for accurately diagnosing and predicting outcomes of skin adnexal tumors.
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.
8 citations
,
July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
48 citations
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May 1991 in “The journal of investigative dermatology/Journal of investigative dermatology” Trichohyalin is also found in the outer layers of normal human skin.
29 citations
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February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
30 citations
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January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.