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GlossaryHorizontal Sections

method of cutting tissue samples parallel to the surface

Horizontal sections refer to a method used in histology, particularly in the study of hair and skin, where tissue samples are cut parallel to the surface. This technique allows for the examination of the entire hair follicle structure at different depths, providing a comprehensive view of hair growth patterns, follicle density, and potential abnormalities. It is especially useful in diagnosing conditions like alopecia, as it can reveal detailed information about the hair growth cycle and follicular health.

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Research

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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”

Horizontal scalp biopsy sections effectively diagnose and predict MPAA, with follicular density and inflammation impacting hair regrowth.

research The reliability of horizontally sectioned scalp biopsies in the diagnosis of chronic diffuse telogen hair loss in women

137 citations , July 2004 in “Journal of The American Academy of Dermatology”

Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.

research Pathologic Diagnosis of Central Centrifugal Cicatricial Alopecia on Horizontal Sections

29 citations , September 2014 in “American Journal of Dermatopathology”

Horizontal sections of scalp biopsies are good for diagnosing Central Centrifugal Cicatricial Alopecia and help customize treatment.

research The histopathology of alopecia areata in vertical and horizontal sections

19 citations , December 2001 in “Dermatologic Therapy”

Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.

research A Comprehensive Approach to Hair Pathology of Horizontal Sections

12 citations , June 2013 in “The American Journal of Dermatopathology”

A new method using visual aids to diagnose hair diseases was effective after brief training.

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community Comprehensive Microneedling Guide

in Microneedling 289 upvotes 3 years ago

Microneedling for hair restoration involves daily use of a 0.3 mm device and weekly use of a 0.5 mm device. Combining microneedling with Minoxidil can enhance hair growth.

community Regrowth after 9 months of DHT blockers, and 6 months of HRT

in Transgender 24 upvotes 9 months ago

A 20-year-old saw significant hair regrowth after 9 months of using DHT blockers (finasteride and dutasteride) and 6 months of hormone replacement therapy (HRT) with estradiol. The regrowth is attributed to low testosterone and high estradiol levels, without using Minoxidil.

community Second update: almost 3.5 months min microneedling 1.5mm once a week ketoconazole shampoo 4 times a week

in Update 590 upvotes 4 years ago

A user's hair loss treatment regimen, which includes minoxidil, ketoconazole shampoo and microneedling; some participants questioned the results due to previous posts about hair transplants, but others agreed that quick results are possible with certain treatments.

community The MPB itch aka DHT itch is very real.

in Chat 9 upvotes 3 years ago

Hair loss itch is caused by DHT attacking follicles and stimulating nerves. Finasteride users who respond well don't experience this itch.

community Most Recent Interesting Hairloss Studies: 10% Minox vs 5% Minox / Radio Rrequency Treatment for AA / Topical Ketoconazole / PRP+Minox vs Minox vs PRP / Alopecia as a systemic disease

in Treatment 90 upvotes 6 years ago

Treatments for hair loss, such as topical minoxidil, platelet-rich plasma therapy with or without minoxidil, ketoconazole, non-abative radio frequency, natural products, finasteride and cortexolone 17 alpha propionate. The post evaluates the efficacy and safety of these treatments in various studies.

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learn Overview

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