A neck lesion misdiagnosed as benign was later treated successfully with Mohs Micrographic Surgery.
35 citations
,
September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.
7 citations
,
July 2006 in “Journal of cutaneous pathology” A 21-year-old had a rare developmental anomaly with a misplaced sebaceous gland in a hair follicle.
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.
September 2023 in “Journal of the American Academy of Dermatology” Bullous pemphigoid can look like erythema multiforme, so awareness is needed for proper treatment.
2 citations
,
March 2019 in “Veterinary dermatology” Thymoma in cats can cause hair loss without inflammation.
January 1990 in “The Nishinihon Journal of Dermatology” Follicular structures help differentiate keratoacanthoma from squamous cell carcinoma.
April 2018 in “Journal of Investigative Dermatology” Watching, not removing, skin growths with moderate atypia and positive edges is okay; patients may get melanoma elsewhere, especially if they've had it before.
August 2025 in “Dermatopathology” Pilomatricomas are often linked to genetic syndromes, especially Apert syndrome, and genetic analysis is crucial for diagnosis.
14 citations
,
March 1987 in “Journal of Investigative Dermatology” 32 citations
,
May 1986 in “Archives of Dermatology” The condition is likely inherited in an autosomal-dominant pattern.
3 citations
,
November 2022 in “Frontiers in Medicine” Onychopapilloma likely originates from the nail bed, not the nail matrix.
409 citations
,
May 1991 in “Genes & Development” TGF-alpha affects skin thickness, hair growth, and may contribute to psoriasis and papilloma formation.
100 citations
,
May 2006 in “American Journal Of Pathology” Matriptase is crucial for skin barrier, hair growth, and may contribute to skin cancer.
January 2022 in “Nasza Dermatologia Online” Dermoscopy helps doctors recognize a type of benign skin tumor called pilomatricoma.
4 citations
,
July 2014 in “International Journal of Dermatology” Twins had rare skin cysts likely due to genetics.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
20 citations
,
February 1977 in “The anatomical record” Excess vitamin A changes skin and hair follicle development and affects polysaccharide distribution.
July 2025 in “Clinical Dermatology Review” A rare family case of multiple benign hair follicle tumors was identified, highlighting the need to distinguish them from similar conditions.
2 citations
,
September 2021 in “JAAD case reports” A man with a weakened immune system was diagnosed with a rare skin condition called trichodysplasia spinulosa using skin examination techniques.
73 citations
,
November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Markers help differentiate between apocrine and eccrine sweat glands to identify sweat gland tumors.
1 citations
,
January 1995 in “Skin Cancer” Immunohistochemistry helps accurately identify and differentiate malignant trichilemmoma.
1 citations
,
June 2011 in “대한구강악안면외과학회지” A woman had a cyst in her salivary gland, likely from Botox, which was removed and confirmed as an epidermoid cyst.
2 citations
,
November 2020 in “The American journal of dermatopathology/American journal of dermatopathology” Sweat duct differentiation in trichilemmal cysts is very rare and can be successfully removed with surgery.
June 2022 in “IP Indian journal of clinical and experimental dermatology” A woman had a rare, non-cancerous skin growth on her face, which was removed and did not come back after a year.
2 citations
,
August 2025 in “Reports — Medical Cases Images and Videos” A rare pigmented skin tumor called melanotrichoblastoma was diagnosed in a 51-year-old woman.
July 2022 in “British Journal of Dermatology”
Basaloid follicular hamartoma is a rare, benign skin growth often misdiagnosed.
3 citations
,
June 2023 in “Cureus” Pilomatricomas should be considered to avoid misdiagnosis in children with unusual skin tumors.
June 2021 in “The Journal of Family Practice” A 69-year-old woman has a fast-growing hand lesion that didn't improve with salicylic acid.