Transverse Sections for Diagnosis of Alopecia?

August 2005 in “ The American Journal of Dermatopathology ”

Almut Böer, Katharina Hoene

alopecia anagen/telogen ratio vertical sections horizontal sections computer-assisted phototrichograms non-invasive techniques hair loss phototrichograms

Studysummary This article critically assesses literature favoring horizontal over vertical sections for diagnosing scalp diseases and concludes that a qualitative, vertical approach improves diagnostic precision for alopecias.

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research Assessment of Hair Loss: Clinical Relevance of Hair Growth Evaluation Methods

41 citations , July 2002 in “Clinical and Experimental Dermatology”

This review evaluates hair growth measurement methods for human scalp hair, suggesting that combining highly resolutive analytical approaches with global calibrated methods is recommended for assessing hair changes in clinical settings.

research Contrast Enhanced Phototrichogram Pinpoints Scalp Hair Changes in Androgen Sensitive Areas of Male Androgenetic Alopecia

22 citations , May 2002 in “Skin Research and Technology”

This study found that in male androgenetic alopecia, the contrast enhanced phototrichogram technique was superior in detecting changes in hair density and thickness compared to other methods.

research Pachyonychia Congenita-Associated Alopecia: A Microscopic Analysis Using Transverse Section Technique

17 citations , April 1997 in “American Journal of Dermatopathology”

This report provides the first microscopic description of pachyonychia congenita-associated alopecia, identifying a combination of histological features that might be unique to this condition.

research Vertical and Transverse Sections of Alopecia Biopsy Specimens: Combining the Two to Maximize Diagnostic Yield

71 citations , March 1995 in “Journal of The American Academy of Dermatology”

This study concluded that combining vertical and transverse sections of scalp biopsy specimens improves diagnostic yield for certain hair disorders without increasing costs.

research Diagnostic and Predictive Value of Horizontal Sections of Scalp Biopsy Specimens in Male Pattern Androgenetic Alopecia

309 citations , May 1993 in “Journal of The American Academy of Dermatology”

This study concluded that horizontal sections of scalp biopsy specimens provide more diagnostic information for male pattern androgenetic alopecia than vertical sections and can predict hair regrowth potential following topical minoxidil therapy.

research The Transverse Anatomy of Androgenic Alopecia

42 citations , December 1990 in “The Journal of Dermatologic Surgery and Oncology”

This study found decreased hair density and altered follicular architecture in the balding frontal scalp of patients with androgenic alopecia, with increased vellus hairs noted.