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GlossaryTransverse Sectioning

cutting a sample perpendicular to its length for examination

Transverse sectioning refers to cutting a sample, such as a hair strand or tissue, perpendicular to its length. This method allows for the examination of the internal structure and layers of the sample, providing detailed insights into its composition and any potential abnormalities. For instance, in hair analysis, transverse sectioning can reveal the condition of the hair cortex and medulla, which are crucial for diagnosing issues like alopecia.

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research Contrast enhanced phototrichogram (CE-PTG): an improved non-invasive technique for measurement of scalp hair dynamics in androgenetic alopecia–validation study with histology after transverse sectioning of scalp biopsies.

12 citations , August 2001 in “PubMed”

CE-PTG is a better method for analyzing hair growth in androgenetic alopecia.

research The Transverse Anatomy of Androgenic Alopecia

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

The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.

research Diagnostic accuracy measures for vertical and transverse scalp biopsies in cicatricial and non-cicatricial alopecias

5 citations , November 2017 in “Dermatologica Sinica”

Transverse scalp biopsies are more accurate for diagnosing non-cicatricial alopecia, but examining both types is best for accuracy.

research The current state of play in the histopathologic assessment of alopecia: two for one or one for two?

12 citations , February 2013 in “Journal of Cutaneous Pathology”

The document concludes that choosing the right biopsy site is crucial for accurate alopecia diagnosis, and combining methods can improve results.

research Non-scarring Alopecias in Iranian Patients: A Histopathological Study With Hair Counts.

2 citations , January 2018 in “DOAJ (DOAJ: Directory of Open Access Journals)”

The most effective way to diagnose non-scarring hair loss is by transverse sectioning, and some cases, particularly in males with inflammation around hair follicles, might be curable.

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