9 citations
,
May 2008 in “Journal of Clinical Oncology” A woman's ovarian tumor causing high testosterone was successfully removed, and her symptoms improved.
7 citations
,
January 2013 in “Ophthalmic plastic and reconstructive surgery” A 79-year-old man was diagnosed with a rare skin condition called nevus comedonicus on his eyelids.
November 2025 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Sporadic trichoblastic neoplasms generally don't recur or spread, with one case showing a specific genetic fusion.
3 citations
,
January 2011 in “Intestinal Research” Cronkhite-Canada syndrome can cause multiple gastrointestinal polyps and various physical symptoms.
3 citations
,
January 2022 in “Medical Mycology Journal” Malassezia fungi in healthy noses can form a "spaghetti-and-meatballs" structure.
September 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
16 citations
,
October 2014 in “Oral surgery, oral medicine, oral pathology and oral radiology” Keratoacanthoma comes from hair follicle cells.
6 citations
,
February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
13 citations
,
February 1980 in “Journal of Cutaneous Pathology” Rubbing seborrheic keratoses causes specific skin changes and may link them to hair follicles.
August 1969 in “Archives of Dermatology” After calciphylaxis, rats showed incomplete skin and hair regeneration, resembling scar tissue with fewer hairs.
2 citations
,
January 2019 in “Acta dermato-venereologica” 10 citations
,
March 1997 in “Pediatric Dermatology” A rare case of trichothiodystrophy was found with autism, seizures, and mental retardation.
5 citations
,
January 2015 in “Dermatology” The report suggests that the same underlying issue in blood vessel support may cause angiokeratomas on both the scrotum and eyelids.
March 2022 in “JAAD case reports” A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.
March 2021 in “Revista da Associação Médica Brasileira” April 2020 in “Journal of the Endocrine Society” A rare ovarian tumor caused high male hormone levels, but surgery fixed it.
384 citations
,
June 2005 in “Genes & development” β-catenin is essential for stem cell activation and proliferation in hair follicles.
3 citations
,
May 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin lesions in Carney Complex are caused by a gene change in some skin cells that leads to increased pigmentation and may lead to tumors.
November 2021 in “Clinical, cosmetic and investigational dermatology” An elderly woman with cancer improved after treatment for a rare skin condition with coiled hairs.
133 citations
,
March 1999 in “Journal of Cutaneous Pathology” Trichoepitheliomas and some basal cell carcinomas likely come from hair follicle stem cells.
1 citations
,
January 2022 in “Indian dermatology online journal” Fine needle aspiration with rapid on-site evaluation is useful for diagnosing pilomatrixoma.
February 2010 in “Journal of the American Academy of Dermatology” Lactic acid cream can help improve skin bumps known as eruptive vellus hair cysts.
9 citations
,
January 1975 in “Munich Personal RePEc Archive (Ludwig Maximilian University of Munich)” Rothmund-Thomson syndrome causes skin changes, hair loss, and slightly high lysine and cystine in urine.
11 citations
,
January 1984 in “Veterinary Pathology”
January 2024 in “International Journal of Trichology” Isotretinoin can cause rare scalp cysts and hair loss, treatable with medication.
1 citations
,
January 2022 in “Clinical dermatology review” A young man's cheek papule was identified as a benign hair follicle tumor using a skin surface microscope.
7 citations
,
July 1975 in “Acta dermato-venereologica” A patient with Rothmund-Thomson syndrome showed skin changes, hair loss, and dental defects but no cataracts or skeletal issues.
10 citations
,
November 1964 in “Zentralblatt für Veterinärmedizin Reihe A” Benign epithelial tumors in dogs don't spread or become cancerous.
14 citations
,
January 1998 in “Dermatology” Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
January 2025 in “JCEM Case Reports” Enzyme replacement therapy may help alleviate symptoms in complex cases like this.