27 citations
,
December 2005 in “Journal of Cutaneous Pathology” The malignant pilomatricoma showed strong epithelial keratin expression, suggesting it may not calcify.
June 2025 in “British Journal of Dermatology” A rare skin condition in a boy is likely due to a specific genetic mutation pattern.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
8 citations
,
January 2006 in “Dermatology Online Journal” The girl's skin condition is benign but challenging to treat due to its size and location.
April 2024 in “Journal of Cytology” A rare skin tumor with bone formation was successfully removed without recurrence.
March 2022 in “Veterinary dermatology” A one-year-old cat had multiple benign skin tumors similar to those known in humans.
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.
April 2023 in “Rossijskij žurnal kožnyh i veneričeskih boleznej” The document concludes that four related skin diseases, which often occur together, are caused by blocked hair follicles.
9 citations
,
January 2011 in “American Journal of Dermatopathology” Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
August 2024 in “Clinical Case Reports” Pilomatricoma is a rare, benign skin tumor that requires surgical removal for best results.
January 2017 in “Enlighten: Publications (The University of Glasgow)” Activating β-catenin and inactivating PTEN cause follicular tumors, not papillomas, similar to those in Cowden’s Disease.
2 citations
,
September 2021 in “Journal of Pathology of Nepal” Most skin cysts were common types found in unusual body parts, and examining tissue samples is important for accurate diagnosis.
December 2022 in “Laboratory Animal Research” Trichoblastomas in aged house musk shrews show unique features and may involve serum amyloid A in inflammation.
5 citations
,
February 2015 in “Ophthalmic plastic and reconstructive surgery” Two new types of eyelid cysts were identified, each with different treatment challenges.
87 citations
,
August 1974 in “Journal of Investigative Dermatology” February 2022 in “Authorea (Authorea)” PAON shows skin patterns due to genetic mosaicism.
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
5 citations
,
January 2017 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Porokeratotic eccrine and hair follicle nevus is a very rare skin disorder possibly caused by a GJB2 gene mutation.
13 citations
,
June 2011 in “PubMed” The patient improved significantly after treatment, with only one small scar remaining.
3 citations
,
December 2013 in “American Journal of Dermatopathology” A rare skin growth in a baby was successfully removed without coming back.
5 citations
,
May 2009 in “American Journal of Dermatopathology” A rare hair follicle tumor showed unusual high levels of mucin.
23 citations
,
September 2014 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Laser treatments are the most effective for porokeratotic adnexal ostial nevus.
3 citations
,
March 2013 in “American Journal of Dermatopathology” Ossification in trichilemmal cysts is more common than previously believed.
21 citations
,
April 2000 in “Journal of Cutaneous Pathology” The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
March 2026 in “Dermatopathology” A rare skin tumor with extra hair growth was found and safely removed from a 27-year-old woman.
21 citations
,
October 1980 in “Gastroenterology” The report described a unique case of Cronkhite-Canada syndrome with unusual polyps and an association with multiple myeloma.
December 2021 in “Pathologica” Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.
7 citations
,
June 2017 in “Journal of Cutaneous Pathology” Cystic panfolliculoma resembles hair follicle tumors due to specific cell interactions.
November 2023 in “International surgery journal” A man's neck lump was a trichilemmal cyst, not cancer, and should be fully removed due to rare risk of becoming malignant.
January 2024 in “ACTA SCIENTIAE VETERINARIAE” An epidermoid cyst in a dog's mammary gland is rare and benign.