December 2009 in “Journal of Veterinary Clinics” The dog's back mass was a keratoacanthoma with inflammation, successfully removed without recurrence.
January 2019 in “University of Liverpool” Equine eosinophilic granuloma is the most common skin disease in horses, while mast cell tumors are less common and differ in their cellular makeup.
March 2024 in “IP Indian journal of clinical and experimental dermatology” Giant solitary trichoepithelioma is a rare, usually non-cancerous hair follicle tumor that can sometimes turn into skin cancer.
34 citations
,
January 1998 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Trichoblastomas may mimic fetal skin development by having many Merkel cells, unlike adult skin.
99 citations
,
October 2008 in “Journal of Investigative Dermatology” Mutations in the ST14 gene cause skin and hair issues by disrupting important protein processing.
December 2019 in “The American Journal of Gastroenterology” Small bowel lesions in Cronkhite-Canada syndrome persist despite steroid treatment.
3 citations
,
March 1966 in “Archives of Dermatology” Nevoid basal cell carcinomas start in the skin's top layer and hair follicles.
6 citations
,
August 2011 in “Anais Brasileiros de Dermatologia” Vellus hair cysts can cause acne-like bumps that don't respond to treatment.
10 citations
,
January 2011 in “Annals of Dermatology” A rare scalp tumor involving two hair follicles was successfully removed with surgery, with no recurrence after 7 months.
2 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” Seborrheic keratosis likely originates from the upper regions of hair follicles.
20 citations
,
November 2004 in “Archives of Pathology & Laboratory Medicine” A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
2 citations
,
August 2022 in “World Journal of Clinical Cases” Albumin and prednisone improved symptoms in a woman with Cronkhite-Canada syndrome, revealing potential genetic causes.
54 citations
,
January 2016 in “Cell reports” Activating β-catenin in different skin stem cells causes various types of hair growth and skin tumors.
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.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Activating Sonic Hedgehog signaling in cancer stroma may help treat basal cell carcinoma.
18 citations
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June 2014 in “Anais Brasileiros de Dermatologia” Clouston Syndrome can be linked to rare sweat gland tumors.
January 2022 in “Clinical Cases in Dermatology” A woman's scalp nodule was a common, harmless pilar cyst, treated by surgical removal.
January 1990 in “The Nishinihon Journal of Dermatology” Follicular structures help differentiate keratoacanthoma from squamous cell carcinoma.
Trichoepithelioma and desmoplastic trichoepithelioma have distinct features that can be identified using reflectance confocal microscopy.
3 citations
,
April 2012 in “Internal and Emergency Medicine” The girl's swelling and skin issues improved with fluid restriction and diuretics.
1 citations
,
December 2021 in “Kathmandu University medical journal” Adult earlobe can have a benign cyst that is usually removed by surgery.
August 2022 in “JAAD case reports” A woman with a long-term skin condition developed a serious skin cancer that led to her death.
September 2020 in “Oral surgery, oral medicine, oral pathology and oral radiology” The report shows that a rare benign tumor was successfully removed from inside the mouth to avoid scarring on the face.
June 2025 in “British Journal of Dermatology” A rare skin condition in a boy is likely due to a specific genetic mutation pattern.
June 2024 in “Annals of Medicine and Surgery” Surgeons should know about pilomatricoma for accurate diagnosis, even though it's rare.
11 citations
,
May 1998 in “Child's nervous system” A baby had a rare condition with abnormal blood vessels in the brain and unusual skin and hair growth, possibly a new syndrome.
11 citations
,
January 2010 in “Journal of oral and maxillofacial surgery” Pilomatricoma is a rare, harmless skin lump that needs accurate diagnosis and timely treatment.
January 2006 in “International water power & dam construction” Nevus comedonicus can appear later in life and affect both eyelids.
18 citations
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January 2013 in “Dermatology Online Journal” Trichofolliculoma is a rare skin bump on the face or scalp.