24 citations
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August 2005 in “The American Journal of Dermatopathology” Vertical sections are better than horizontal sections for diagnosing alopecia.
March 2009 in “Journal of the American Academy of Dermatology” Transverse sections are better for non-scarring hair loss, vertical sections are better for lichen planopilaris, and either method works for other scarring hair loss types.
19 citations
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December 2011 in “Clinical and Experimental Dermatology” Transverse scalp sections are better for diagnosing non-scarring hair loss, while vertical sections are better for a specific scarring hair loss called lichen planopilaris.
3 citations
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January 2019 in “Indian Journal of Dermatology” Transverse scalp biopsy sections help diagnose different alopecias by showing hair follicle details and inflammation patterns.
71 citations
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March 1995 in “Journal of The American Academy of Dermatology” Using both vertical and transverse sections for alopecia biopsies improves diagnosis without extra cost.
56 citations
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August 2005 in “Journal of The American Academy of Dermatology” Using both vertical and transverse sections gives a better diagnosis of alopecia than using one method alone.
33 citations
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August 2005 in “The American Journal of Dermatopathology” Both vertical and transverse sections are useful for diagnosing alopecia, but using both methods together is best.
42 citations
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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.
5 citations
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March 2018 in “Dermatologica Sinica” Transverse scalp biopsies are more accurate for diagnosing non-cicatricial alopecia, but examining both types is best for accuracy.
3 citations
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January 2018 in “Dermatology” Scalp biopsies help tell apart androgenetic alopecia and alopecia areata.
2 citations
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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.
43 citations
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March 2006 in “Seminars in Cutaneous Medicine and Surgery” Different types of hair loss have unique features under a microscope, but a doctor's exam is important for accurate diagnosis.
Otter rabbit, mink, and blue fox fur can be identified by their unique hair structures.
January 2014 in “Pathology” The document concludes that understanding nail anatomy is key for diagnosing nail diseases, early signs of nail melanoma may allow for less aggressive treatment, and specific genetic mutations are important in thyroid cancer prognosis and treatment.
January 2014 in “Pathology” Non-scarring hair loss can be diagnosed with two 4mm punch biopsies, one cut vertically and the other transversely.
January 2014 in “Pathology” RET mutation is important in familial medullary thyroid carcinoma, and BRAF mutation in papillary thyroid carcinoma is linked to more aggressive cancer and higher death rates.
139 citations
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July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
29 citations
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November 2014 in “American Journal of Dermatopathology” Horizontal sections of scalp biopsies are good for diagnosing Central Centrifugal Cicatricial Alopecia and help customize treatment.
309 citations
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May 1993 in “Journal of The American Academy of Dermatology” Horizontal scalp biopsy sections effectively diagnose and predict MPAA, with follicular density and inflammation impacting hair regrowth.
19 citations
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December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
16 citations
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June 2018 in “Journal of The American Academy of Dermatology” Scalp biopsies from dermatomyositis patients show chronic hair loss without scarring, with mucin and blood vessel changes being very common.
12 citations
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July 2013 in “The American Journal of Dermatopathology” A new method using visual aids to diagnose hair diseases was effective after brief training.
9 citations
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January 2010 in “International Journal of Trichology” The study found that the cause of alopecia areata can be identified through tissue analysis, and vertical sections are enough for diagnosis.
13 citations
,
March 2021 in “Frontiers in oncology” Reflectance confocal microscopy reliably identifies skin cancer features like horizontal skin tissue sections.
80 citations
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March 2000 in “Journal of cutaneous pathology” The VVG stain effectively differentiates scar tissue from normal skin and helps classify types of permanent alopecia.
9 citations
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May 2010 in “Journal of the European Academy of Dermatology and Venereology” Cutting scalp biopsies in consecutive slices improves diagnosis of hair loss conditions.
2 citations
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March 2011 in “Journal of Cutaneous Pathology” The document suggests simplifying alopecia diagnosis and improving techniques for better accuracy.
170 citations
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January 2010 in “Histopathology” The conclusion is that accurate diagnosis of different types of hair loss requires good teamwork between skin doctors and lab experts.
53 citations
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September 2011 Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.
16 citations
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January 2014 in “The American Journal of Dermatopathology” Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.