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GlossaryPotassium Hydroxide Test (KOH test)

diagnostic test for detecting fungal infections in skin, hair, nails

The Potassium Hydroxide (KOH) Test is a diagnostic procedure used to detect fungal infections on the skin, hair, or nails. A sample from the affected area is placed on a slide with a few drops of potassium hydroxide solution, which dissolves skin cells but leaves fungal cells intact, making them easier to identify under a microscope.

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Tinea Capitis Mimicking Dissecting Cellulitis of the Scalp: A Histopathologic Pitfall When Evaluating Alopecia in the Post-Pubertal Patient

research Tinea Capitis Mimicking Dissecting Cellulitis of the Scalp: A Histopathologic Pitfall When Evaluating Alopecia in the Post-Pubertal Patient

33 citations, December 2013 in “Journal of cutaneous pathology”

A fungal infection can look like a different scalp condition in teens, leading to wrong treatment until proper tests are done.

research A Simplified Approach to the Diagnosis of Alopecia

12 citations, October 1996 in “Dermatologic Clinics”

A simplified method was introduced to diagnose most hair loss types by examining the patient's history and scalp, with some cases needing further tests.

research Clinico-Mycological Profile and Trichoscopic Findings Among Pediatric Tinea Capitis Patients: A Cross-Sectional Study from Northern India

1 citations, October 2022 in “Asian journal of medical sciences”

Trichoscopy is a valuable, quick, and non-invasive tool for diagnosing tinea capitis in children.

research Denouement—Continued From Page 661

July 2000 in “The Pediatric Infectious Disease Journal”

Tinea faciei should be considered in neonatal vesicular lesions and confirmed with KOH examination and culture.

research Tinea Capitis Caused by Trichophyton Tonsurans Presenting as Obscure Patchy Hair Loss Due to Daily Antifungal Shampoo Use

2 citations, April 2015 in “Dermatology practical & conceptual”

Daily use of antifungal shampoo can hide symptoms and make it hard to diagnose fungal scalp infections.

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community Dutasteride Isn't Working? Get a Scalp Biopsy NOW

in Finasteride/Dutasteride 19 upvotes 2 months ago

Dutasteride may not be effective for everyone due to underlying issues, suggesting scalp biopsies for further diagnosis. Users discuss using higher doses of dutasteride, topical treatments, minoxidil, and pyrilutamide for hair loss management.

community Before and after? NO Fin/NO Minoxidil. Just DHT Blocking Shampoo&Microneedling

in Microneedling 54 upvotes 1 month ago

The user experienced hair thinning and used microneedling, DHT blocking shampoo, and Biotin DHT blocking oil to address it, avoiding finasteride and minoxidil unless necessary later. They reported mild improvement but received mixed feedback, with some suggesting other conditions or treatments like ciclopirox shampoo.

community DUPA/Retrograde might not be DHT based...GET A BIOPSY QUICK or permanent Hair Loss!

in Research/Science 40 upvotes 2 months ago

DUPA and retrograde alopecia may not be solely DHT-based, and a biopsy is crucial for accurate diagnosis and treatment. Treatments mentioned include dutasteride, oral minoxidil, pioglitazone, clobetasol, calcipotriol, ketoconazole, and doxycycline, depending on the specific condition.

community What is this pigmentation around my follicles?

in Chat 29 upvotes 3 months ago

The conversation discusses potential causes of pigmentation around hair follicles, suggesting sebum buildup, autoimmune conditions, or dermatitis. Treatments mentioned include finasteride, dutasteride, and an anti-inflammatory diet, with a recommendation to consult a doctor for a proper diagnosis.

community DHT Harms Scalp Microbiome: DHT Itch is REAL

in Research/Science 413 upvotes 2 weeks ago

Increased Malassezia and Cutibacterium in the scalp microbiome are linked to higher sebum production and inflammation in androgenetic alopecia (AGA). Treatments include ciclopirox shampoo, benzoyl peroxide shampoo, clobetasol propionate, calcipotriol, minoxidil, finasteride, and dutasteride.

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