January 2020 in “Revista Dermatológica Centro Uraga” Recognizing trichoscopic features is crucial for diagnosing various hair loss conditions.
April 2016 in “Journal of The American Academy of Dermatology” The study found that Temporal Triangular Alopecia often starts in early childhood, mainly affects the left side of the scalp, and has no effective treatment except surgery.
121 citations
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December 2001 in “American Journal of Dermatopathology” TB and BCC tumors show similar follicular differentiation patterns.
14 citations
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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.
October 2023 in “Research Review” Some skin tumors from hair follicles and glands can be linked to genetic syndromes and may be benign or malignant.
5 citations
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February 2015 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” OCT can non-invasively diagnose follicular keratosis and other hair follicle disorders.
40 citations
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January 2013 in “International journal of trichology” Perifollicular erythema can indicate active frontal fibrosing alopecia.
2 citations
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December 2018 Alopecia frontal fibrosante affects facial vellus hair and can be diagnosed with dermatoscopy.
3 citations
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August 2010 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” A rare genetic disease caused severe, worsening hair loss from early childhood with poor treatment results.
4 citations
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May 2021 in “The American Journal of Surgical Pathology” Cutaneous Lymphadenoma is a unique skin tumor with specific protein markers and common gene mutations that may cause continuous cell growth.
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.
54 citations
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November 1986 in “Journal of the American Academy of Dermatology” Generalized trichoepitheliomas with hair loss may indicate myasthenia gravis.
March 2026 in “Dermatopathology” A rare skin tumor with extra hair growth was found and safely removed from a 27-year-old woman.
1 citations
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October 1978 in “The Journal of Pediatrics” July 2024 in “LA CIENCIA AL SERVICIO DE LA SALUD Y NUTRICIÓN” The condition is harmless, doesn't worsen, and needs no invasive treatment.
14 citations
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June 2005 in “PubMed” A rare ear cyst contained hair fragments.
September 2025 in “Archives of Dermatological Research” Basal cell carcinoma is more common than squamous cell carcinoma on the scalp, especially along the part line.
March 2021 in “Revista Medicina Cutánea Ibero-Latino-Americana” Trichoscopy helps diagnose scarring alopecia early and non-invasively.
April 2026 in “Research Square” 6 citations
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July 2017 in “Clinical and Experimental Dermatology” Four new cases confirmed the unique features of follicular porokeratosis.
January 2019 in “Revista Dermatológica Centro Uraga” Alopecia triangular temporal is a rare condition with unclear causes and treatment, but trichoscopy helps in diagnosis.
2 citations
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July 2021 in “JAAD Case Reports” Trichoscopy of the beard is useful for diagnosing frontal fibrosing alopecia in men.
26 citations
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April 2007 in “Journal of clinical oncology” 37 citations
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April 1977 in “Journal of Cutaneous Pathology” Skin biopsy can help diagnose hair loss from trichotillomania.
21 citations
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April 2000 in “Journal of Cutaneous Pathology” The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
1 citations
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November 2017 in “Skin appendage disorders” Ingrown hairs are a common feature in scarring alopecias due to follicular damage.
4 citations
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March 2008 in “Journal of the American Academy of Dermatology”
March 2021 in “CRC Press eBooks” Trichoscopy helps tell apart Lichen planopilaris and Frontal fibrosing alopecia from other hair loss conditions.
March 2023 in “Reactions Weekly” 10 citations
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January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.