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This study found that patients with alopecia areata had a higher frequency of the AB+ blood group compared to healthy controls.

This study shows that Covid-19 infection significantly impacts the emergence of new-onset hair diseases, with a notable association reported between having Covid-19 and developing hair issues.

In this study, researchers found that women with telogen effluvium had lower MCV/RDW ratios, MPV, and ferritin levels compared to healthy controls, suggesting iron deficiency's involvement in this chronic hair loss condition.

In this double-blind randomized controlled trial, both rosemary extract lotion and 2% ketoconazole lotion were effective for treating scalp seborrheic dermatitis, but rosemary lotion reduced itching more significantly, while ketoconazole was more effective in reducing dandruff.

This study suggests that RCM may be a promising non-invasive diagnostic tool for alopecia areata incognita, showing substantial agreement with histopathology while noting some discrepancies.

Thick scalp melanoma can be hard to diagnose because it often looks like other skin conditions.

Isolated patchy heterochromia with pili annulati can occur without other health issues.

Square-shaped hair loss can occur after treating a brain aneurysm due to localized radiation exposure.

This review serves as a comprehensive guide to hair pathology with clinical correlations but does not provide new clinical results.

This narrative review reports that IL-17 and IL-23 inhibitors, while effective for psoriasis and other inflammatory diseases, can cause a variety of skin reactions that resemble primary dermatoses, highlighting the need for careful diagnosis and varied management strategies.

In this study, pediatric hair and scalp disorders were effectively diagnosed using trichoscopic and light microscopic examinations, demonstrating high agreement with clinical diagnoses and emphasizing their utility as reliable, non-invasive diagnostic tools in a hospital-based setting.

In this study, the researchers observed that gastrointestinal side effects, such as flatulence and abdominal discomfort, were more common in patients taking low-dose oral minoxidil, especially among males and those using concurrent vasodilators.

This review assessed trichoscopic findings in folliculotropic mycosis fungoides of the scalp, reporting features like milky-red globules and distinct vascular patterns, but noted the predominance of small studies and the need for larger research to validate trichoscopy's diagnostic utility for this condition.

This study found that while both microneedling-assisted methotrexate and triamcinolone acetonide treatments led to improvements in recalcitrant alopecia areata, methotrexate-treated areas had significantly better outcomes in terms of SALT score reduction, patient satisfaction, and relapse rates, suggesting its superior short-term efficacy.

This study reported that diffuse lichen planopilaris significantly impairs quality of life in Moroccan patients, with trichodynia and hair quality changes most affecting daily functioning and leisure activities.

In this study, dermatologists' TikTok content more frequently recommended standard treatments for hair and scalp disorders compared to influencers, who were more likely to suggest alternative options.

This systematic review found that exosome-based therapies significantly improve skin elasticity, reduce wrinkle depth, enhance hydration, and modulate pigmentation, with minimal adverse events reported across multiple studies. However, further clinical trials are necessary to confirm long-term efficacy and safety.

This study observed that 78.3% of patients with alopecia areata exhibited nail changes detectable by dermoscopy, notably nail pitting, in contrast to 14.2% of healthy controls, with these changes significantly associated with disease severity, age, and duration.

In this study, pediatric alopecia areata was associated with higher rates of vitiligo, asthma, and ADHD, and significantly lower levels of vitamin B12, ferritin, and TSH compared to healthy controls, highlighting the need for comprehensive evaluation.

This review discusses different types of alopecia associated with psoriasis and highlights that hair loss in psoriasis is typically non-scarring and reversible, while also noting the increased risk of alopecia areata in these patients.

Dermatoscopy helps track scar changes and guide treatment.

In this study, researchers in India determined that 37.8% of patients experienced alopecia associated with COVID-19, particularly linked to disease severity, stressing the need for careful patient history review to guide treatment and reassurance.

This study found that ChatGPT 4.0 and Gemini 1.5 Flash provided more accurate and user-friendly responses to androgenetic alopecia questions than Deepseek R1, suggesting they could be effective tools for patient education with physician guidance.

This source highlights the potential benefits of identifying risk factors and intervening early to mitigate acne scarring and improve quality of life. It also emphasizes the importance of recognizing acne severity predictors to guide preventive strategies and optimize patient outcomes.

A 2-year-old boy has a rare hair disorder causing brittle hair and hair loss, which may improve with age.

Spironolactone is safe for treating hair loss in women without causing low blood pressure.

In this study, researchers found that hair alterations such as frontal-occipital inversion in males and a high occipital hairline may aid in diagnosing the uncommon condition TRPS.

This study found that erosive pustular dermatosis of the scalp is frequently misdiagnosed as squamous cell carcinoma, highlighting the need for careful differentiation to avoid unnecessary treatments.

This study found that erosive pustular dermatosis of the scalp is often misdiagnosed as squamous cell carcinoma, highlighting the importance of biopsy for accurate diagnosis.

UV-enhanced trichoscopy helps diagnose hair shaft disorders like pili annulati.