August 2020 in “Acta medica Iranica” Bumps on the face may be an early sign of a type of hair loss called frontal fibrosing alopecia.
January 2006 in “Chinese Journal of Dermatology” Mesenchymal cells are essential for hair follicle stem cell growth.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
5 citations
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February 2016 in “Sultan Qaboos University medical journal” The patient had a severe itchy rash and hair loss in the armpits.
July 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Excessive sun protection might contribute to frontal fibrosing alopecia.
136 citations
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March 1998 in “Oncogene” Overexpression of E2F1 can lead to skin tumors and disrupt hair growth.
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 2012 in “Journal of evolution of medical and dental sciences” No effective treatment exists to stimulate hair growth in atrichia with papular lesions.
6 citations
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April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
2 citations
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July 2021 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair shaft disorders are diagnosed through examination and history, with general care and some treatments offering improvement.
September 2020 in “Revista da Sociedade Portuguesa de Dermatologia e Venereologia” The document's conclusion cannot be provided because the document is not accessible or not in a readable format.
2 citations
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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.
January 2017 in “Turkiye Klinikleri Journal of Dermatology” A 9-month-old baby had a rare, persistent ring-shaped hair loss condition.
4 citations
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January 2019 in “Dermatologic Therapy” Scalp basal cell carcinoma may be more aggressive and harder to treat than other types, requiring special attention and further research.
July 2002 in “Hair transplant forum international” The document lists common and scalp-specific lesions, emphasizing the need for hair restoration surgeons to recognize these and refer patients to a dermatologist if necessary.
July 2024 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” Adipose tissue and eccrine gland displacement are common in certain alopecias but don't help differentiate between them.
103 citations
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September 2004 in “Clinics in dermatology” Blocked hair follicles cause acne, and studying tiny early acne spots helps understand its severity.
April 2017 in “Journal of Investigative Dermatology” Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
1 citations
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May 2007 in “Chinese Medical Journal” Complete removal of large scalp nevi is recommended to prevent complications.
56 citations
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January 1970 in “Cell and Tissue Research”
155 citations
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September 2008 in “British journal of dermatology/British journal of dermatology, Supplement” FFA is more common in postmenopausal women, can affect younger women, and may stabilize over time.
November 2024 in “Medicina Estética Revista Científica de la Sociedad Española de Medicina Estética (SEME)” La detección temprana y precisa de la pseudopelada de Brocq es crucial para detener su progresión.
7 citations
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May 2021 in “Clinical Case Reports” Alopecic and aseptic nodules of the scalp are rare, treatable, and often resolve with doxycycline or on their own.
May 2021 in “Journal of the Endocrine Society” A rare ovarian cancer with a good outlook was found in a woman with unusual hair growth and abdominal symptoms.
December 2024 in “Skin Appendage Disorders” Accurate diagnosis and treatment improved symptoms in a patient with alopecia linked to mycosis fungoides.
5 citations
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January 2018 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Congenital atrichia with papular lesions causes permanent hair loss in children.
35 citations
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September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.
297 citations
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January 2002 in “Development” Overexpression of ΔNLef1 in mouse skin leads to hair loss, cysts, and skin tumors.
72 citations
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November 2017 in “Journal of developmental biology” The Hedgehog signaling pathway is important for skin and hair growth and can lead to cancer if it doesn't work right.
3 citations
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February 2022 in “Cureus” Frontal fibrosing alopecia can sometimes look like syphilitic hair loss.