In this case study, researchers reported the first documented instance of malignant transformation of congenital triangular alopecia into basal cell carcinoma in a 48-year-old woman, underscoring the importance of assessing long-standing alopecic areas for malignancy.
January 2025 in “Surgical & Cosmetic Dermatology” This article reviews temporal triangular alopecia, emphasizing the utility of dermoscopy for diagnosis, and reports no new clinical treatment findings.
January 2025 in “Surgical & Cosmetic Dermatology” This article reviews a case of alopecia triangularis temporalis, emphasizing the need for histopathological confirmation to avoid misdiagnosis and highlighting surgical correction as the preferred treatment for confirmed cases.
July 2024 in “LA CIENCIA AL SERVICIO DE LA SALUD Y NUTRICIÓN” In this report, a newborn female with bilateral symmetrical alopecia lesions was diagnosed with congenital triangular alopecia, an unusual presentation, highlighting the disorder's benign nature and the importance of early recognition and conservative management.
May 2024 in “Clinical, cosmetic and investigational dermatology” This case report describes an adolescent boy with congenital triangular alopecia who showed significant hair regrowth after eight months of treatment with 5% topical minoxidil, achieving full coverage of the affected area without adverse effects.
January 2023 in “Indian Dermatology Online Journal” This case report identifies a 23-year-old man with congenital triangular alopecia, a non-scarring alopecia characterized by preserved follicles and vellus hair, for which unnecessary interventions should be avoided.
January 2021 in “Skin appendage disorders” This review discusses atypical presentations of Brauer nevus, particularly in occipital and mid-frontal areas, and reports a higher occurrence in males, with detection usually at birth.
December 2020 in “TURKDERM” This case report describes a 3-year-old boy diagnosed with temporal triangular alopecia, emphasizing the importance of clinical and dermoscopic examination for correct diagnosis due to the condition's rarity and risk of misdiagnosis.
This case report highlights the clinical and trichoscopic diagnosis of congenital triangular alopecia in a 9-month-old boy and notes the condition's typical unresponsiveness to traditional treatments.
January 2020 in “Przegla̧d dermatologiczny” A 5-year-old boy was diagnosed with congenital triangular alopecia, a type of hair loss without skin changes, usually starting between ages 2-5, with no specific treatment.
January 2019 in “Revista Dermatológica Centro Uraga” This review discusses congenital temporal triangular alopecia, focusing on its clinical presentation and dermatoscopic diagnosis, and highlights the limited understanding of its etiology and treatment options; it reports no new clinical results.
January 2018 in “Springer eBooks” Congenital triangular alopecia is a harmless, non-spreading hair loss condition often seen in young children.
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.
March 2012 in “Journal of The American Academy of Dermatology” This study found that white females with female pattern hair loss had higher hair density in the occipital scalp area, while Asian females had thicker hair diameters in both frontal and occipital areas.
January 2023 in “Australasian Journal of Dermatology” Sublingual minoxidil helped regrow hair in a person with congenital triangular alopecia.
January 2020 in “International Journal of Trichology” This study reported that platelet-rich plasma injections led to only temporary improvement in vellus hair characteristics in temporal triangular alopecia, suggesting it may not be an effective long-term treatment.
33 citations
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September 1987 in “American Journal of Medical Genetics” This study documents dominant transmission and complete penetrance of uncombable hair syndrome in a family, despite the father lacking visible abnormalities.
8 citations
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May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” This study observed unique ultrastructural changes in a 4-year-old girl with pili trianguli et canaliculi that may affect hair shaft surface characteristics due to inner root sheath alterations.
10 citations
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January 2011 in “Case reports in dermatological medicine” This report documented a successful and sustained hair restoration surgery using follicular unit transplantation for temporal triangular alopecia, lasting over six years.
2 citations
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November 1999 in “Hair transplant forum international” This commentary discusses the rarity of "triangular alopecia" in hair restoration surgery and highlights the lack of mention in professional settings, without providing new clinical data.
11 citations
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July 2019 in “Pediatric dermatology” In this study, empty follicular openings and pigtail hairs were more frequently observed in children with alopecia areata compared to adults, while yellow dots were less common in children.
6 citations
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August 1993 in “Archives of Dermatology” This article describes the first documented case of acquired uncombable hair syndrome in a 39-year-old woman, contributing to the understanding of this rare condition.
2 citations
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April 2014 in “International Wound Journal” The authors reported that V-Y-S plasty was a safe one-stage method for reconstructing very large scalp alopecia following burns or surgeries.
1 citations
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July 2021 in “Aesthetic Plastic Surgery” This study concluded that a triangular flag-shaped incision design in hair transplantation achieved better hair alignment compared to the common elliptical incision, particularly in patients with specific hair directions.
1 citations
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January 2021 in “Nihon rinsho hifukaikai zasshi” This article discusses the diagnostic methods for differentiating alopecia areata from similar hair loss conditions and emphasizes the importance of accurate diagnosis, but it reports no new research findings.
1 citations
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January 2014 in “Annals of Dermatology” This study surveyed hairline preferences and found that the M-shaped contour was most preferred overall, with lower forehead heights favored by men and those without a history of hair transplantation.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
68 citations
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August 2012 in “Journal of the American Academy of Dermatology” This paper discusses the use of dermatoscopy as a fast, noninvasive technique for diagnosing hair shaft disorders and reports no new results; the authors highlight its advantages over traditional microscopy methods.
33 citations
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June 2016 in “Pediatric Dermatology” This review examines hair shaft disorders, reporting limited evidence for treatments like minoxidil and oral retinoids, and emphasizes gentle hair care and genetic counseling for managing congenital cases.
14 citations
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June 2016 in “Pediatric Dermatology” This review discusses the prognosis and treatment options for hair shaft disorders, finding no studies but suggesting some disorders improve with specific treatments like minoxidil and retinoids, while gentle hair care remains essential.