8 citations
,
April 2014 in “Clinical and Experimental Dermatology” Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.
4 citations
,
March 2003 in “International Journal of Dermatology” Pimozide treatment resolved cysts and partially restored cheek fat in a man with Barraquer–Simons syndrome.
96 citations
,
December 1995 in “Journal of Investigative Dermatology”
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.
9 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Sex hormones and antiandrogens can either stimulate or inhibit human hair follicle cell growth depending on the dose.
48 citations
,
March 1993 in “The Laryngoscope” Cholesteatoma shows abnormal and increased EGF receptor expression, indicating its rapid growth.
September 2016 in “Journal of The American Academy of Dermatology” The girl has a genetic hair condition causing thin hair since childhood.
380 citations
,
March 2000 in “Proceedings of the National Academy of Sciences” Overexpressing GLI-1 in mice skin can cause tumors like human basal cell carcinomas.
193 citations
,
June 1990 in “Journal of Investigative Dermatology” 1 citations
,
January 2015 in “Indian Journal of Veterinary Pathology” Two dogs had different types of hair follicle tumors.
July 2023 in “International journal of physiology” Hypertrichosis lanuginosa causes excessive fine hair growth, often linked to genetics or cancer, with limited treatment options.
The estrogen receptor pathway controls hair growth cycles and affects skin cell growth.
1 citations
,
November 2023 in “Indian Dermatology Online Journal” Primary essential CVG is a rare, benign scalp condition with treatment focusing on symptom management and hygiene.
December 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Hedgehog signaling controls hair follicle development and can affect skin cancer growth.
125 citations
,
August 1992 in “Development” Implanted dermal papillae can induce hair growth in rat ear wounds.
1 citations
,
August 2021 A young girl had a rare neck cyst removed and needs careful monitoring for related health issues.
1 citations
,
October 2023 in “Journal of the Pakistan Medical Association” Folliculotropic mycosis fungoides can occur in children and is diagnosed with specific tests, but often stays in early stages with treatment.
18 citations
,
January 2009 in “Experimental Dermatology” mTOR may link different pathways in hair follicle tumor formation.
1 citations
,
March 2010 in “Internal medicine journal” A 72-year-old man with sudden taste issues and hair growth was diagnosed with a severe stomach cancer and died within 5 months.
41 citations
,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
1 citations
,
November 2022 in “Indian Journal of Dermatology/Indian journal of dermatology” Dermoscopy helps accurately diagnose and treat benign skin cysts.
2 citations
,
May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
September 2025 in “Egyptian Journal of Dermatology and Venerology” Dermoscopy is crucial for diagnosing rare scalp tumors like trichofolliculoma.
January 2014 in “International Journal of Dermatology and Venereology” A man with hair loss and a scalp lump was diagnosed with a diffuse neurofibroma but chose not to have surgery.
7 citations
,
March 1993 in “International Journal of Oncology” Basal cell carcinoma shows keratin patterns similar to hair follicle structures.
1 citations
,
April 2018 in “Turkish Journal of Dermatology” Childhood hypertrichosis is excessive hair growth not linked to hormones, with types based on location and origin.
June 2011 in “European Journal of Pediatric Dermatology” An 11-year-old girl with hair thinning was diagnosed with monilethrix and early androgenetic alopecia.
14 citations
,
July 2004 in “Australasian Journal of Dermatology” Follicular mycosis fungoides can look like a B-cell lymphoma, making diagnosis difficult.
2 citations
,
January 2018 in “European journal of pediatric surgery reports” A baby girl's hair turned straight on one side due to a neck tumor and surgery, but it returned to curly as she recovered.
44 citations
,
January 1999 in “Dermatology” Nevus comedonicus is a rare skin condition with grouped open pores, sometimes linked to other body issues.