The Ratio of Typical Clubbing in Pulled-Out Hairs as a Useful Marker in Predicting the Course of Alopecia Areata

January 2024 in “ Annals of Dermatology ”

So Hee Park, Hyojin Kim, Jong Uk Kim, Seong Min Hong, Sang Woo Ahn

alopecia areata hair morphology clubbing proximal tapering AA

TLDR Examining hair shape can help predict Alopecia Areata's progression.

The study suggests that examining microscopic hair morphology, specifically the loss of typical clubbing and proximal tapering in pulled-out hairs, can serve as a useful marker for predicting the course of Alopecia Areata (AA). This approach could potentially aid in assessing the progression and prognosis of AA in affected individuals.

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Research cited in this study

6 / 6 results

research Analysis of Microscopic Examination of Pulled Out Hair in Telogen Effluvium Patients

3 citations , January 2020 in “Annals of Dermatology”

More atypical club hairs may indicate Telogen Effluvium.

research Alopecia Areata: Overview and Insights from January 2018

290 citations , December 2017 in “Journal of The American Academy of Dermatology”

Alopecia areata is an autoimmune condition causing hair loss, influenced by genetics, stress, and diet, and may be prevented by a high soy oil diet.

research Morphological Changes of the Hair Roots in Alopecia Areata: A Scanning Electron Microscopic Study

3 citations , December 2013 in “Journal of Dermatology”

Scanning electron microscopy revealed four distinct hair root shapes in alopecia areata, suggesting a less invasive diagnostic method.

research Coudability Hairs: A Revisited Sign of Alopecia Areata Assessed by Trichoscopy

56 citations , June 2010 in “Clinical and experimental dermatology”

Coudability hairs are useful markers for alopecia areata activity.

research EEMCO Guidance for the Assessment of Hair Shedding and Alopecia

51 citations , January 2004 in “Skin Pharmacology and Physiology”

The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

research Diagnostic Value of Exclamation Mark Hairs

26 citations , January 1993 in “Dermatology”

Exclamation mark hairs are not exclusive to alopecia areata.

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research Trichoscopy in Alopecia Areata

January 2021 in “International journal of dermatology, venereology and leprosy sciences”

Trichoscopy shows black dots, yellow dots, and empty follicles are common in Alopecia Areata, with broken and exclamation mark hair as typical patterns.

research Alopecia Areata: A Multifactorial Autoimmune Condition

148 citations , December 2018 in “Journal of autoimmunity”

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Review of Representative Trichoscopic Findings in Androgenetic and Alopecia Areata Patients Visiting Dermatology Outpatient Clinic at University Hospital

research Review of Representative Trichoscopic Findings in Androgenetic and Alopecia Areata Patients Visiting Dermatology Outpatient Clinic at University Hospital

November 2016 in “대한피부과학회지”

The document's conclusion cannot be summarized as it is not provided in a language I can understand.

The Ratio of Typical Clubbing in Pulled-Out Hairs as a Useful Marker in Predicting the Course of Alopecia Areata

Research cited in this study

research Analysis of Microscopic Examination of Pulled Out Hair in Telogen Effluvium Patients

research Alopecia Areata: Overview and Insights from January 2018

research Morphological Changes of the Hair Roots in Alopecia Areata: A Scanning Electron Microscopic Study

research Coudability Hairs: A Revisited Sign of Alopecia Areata Assessed by Trichoscopy

research EEMCO Guidance for the Assessment of Hair Shedding and Alopecia

research Diagnostic Value of Exclamation Mark Hairs

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research Trichoscopy in Alopecia Areata

research Alopecia Areata: A Multifactorial Autoimmune Condition

research Review of Representative Trichoscopic Findings in Androgenetic and Alopecia Areata Patients Visiting Dermatology Outpatient Clinic at University Hospital