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This diagnostic discussion reports that diffuse alopecia areata was identified in a patient with diffuse hair loss, based on specific histopathological features observed in a biopsy.

This review discusses the development and application of multiphoton microscopy in dermatology, highlighting its advantages and potential future research directions without reporting new clinical results.

This study observed no significant relationship between trichoscopic findings and disease severity in male or female androgenetic alopecia, despite some specific patterns correlating with different severity levels in female patients.

This study found that overexpression of sPLA2-X in mice was associated with alopecia and hair follicle abnormalities, highlighting its potential role in hair follicle homeostasis.

This case report identifies a novel CDH3 gene mutation associated with hypotrichosis with juvenile macular dystrophy in a 13-year-old Turkish girl, highlighting implications for future genetic analysis and counseling.

This case report describes a non-thymoma-associated exfoliative dermatitis in an 8-year-old cat, where treatment with cyclosporine A alongside prednisolone and antibiotics resolved skin lesions without relapse after an initial recurrence.

This study found that transverse sections of scalp biopsies showing lower anagen:non-anagen hair ratios and presence of pigment casts help differentiate alopecia areata from androgenetic alopecia.

This case report describes a 17-month-old girl who experienced sudden hair whitening during septic shock, suggesting systemic stress may trigger canities subita in young children and highlighting the need to distinguish it from congenital pigment dilution syndromes.

In this case study, an 11-year-old girl with severe alopecia areata experienced complete hair regrowth and unexpected white-to-black hair repigmentation after switching from baricitinib to ritlecitinib, suggesting that prolonged Janus kinase inhibition may aid both hair and pigment restoration in severe pediatric cases.

This article discusses dermatological issues associated with black skin, such as postinflammatory pigmentation and keloids, and highlights the need for practitioners to understand these racial characteristics; it reports no new clinical results.

This paper provides a comprehensive review of melanocytes' roles in skin biology, focusing on their pigmentation and immune functions, and suggests potential research opportunities for preventing and treating skin disorders.

In this case report, a 38-year-old woman experienced progressive lightening of a blue-green eyebrow tattoo treated with a QS ruby laser, but eyebrow hair density reduction was noted as a potential adverse effect.

In this study, trichoscopic features aiding differential diagnosis of alopecia in Korean patients were found to be similar to those in Caucasians, but pigment pattern frequencies differed due to racial characteristics.

This review discusses the interaction between mesenchymal stem cell secretomes and retinal cell secretomes, suggesting their potential in experimental therapies to protect and regenerate retinal tissue.

This study found that Wnt signaling in the hair follicle is crucial for coordinating the behavior of epithelial and melanocyte stem cells, which drives hair regeneration and melanocyte differentiation in mice.

This case study reported significant but temporary hair regrowth and skin repigmentation in a patient with vitiligo and alopecia areata during treatment with oral ruxolitinib.

The researchers reported that Gambogic Amide may prevent hair greying and promote hair growth by maintaining follicle pigmentation in vitro through activation and migration of melanocytes.

This case report describes a rare occurrence of lichen planopilaris on the face in a 45-year-old man, contributing to the limited existing cases in the literature.

In this study, individualized homoeopathic treatment with Silicea showed a marked reduction in depigmentation for a case of vitiligo, with a likely causal link suggested by evaluation criteria.

This review explores the potential of edible flowers, particularly the genus Impatiens, for their chemical, nutritional, and bioactive properties but does not report new clinical findings.

This study suggests that gamma-ray irradiation affects hair follicle density, structure, and pigmentation in mice, with some changes observed in later hair cycles.

The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.

This study observed that specific dermoscopic features, such as altered pigmentary network and yeast invasion of hair follicles, along with certain histopathological features, assist in diagnosing pityriasis versicolor.

This review discusses how common skin disorders manifest differently in children with dark skin, highlighting distinctive reaction patterns and cultural practices, but reports no new clinical results.

This study found that 1064 nm QS Nd:YAG laser treatment effectively lightens hair and improves skin appearance in Indian subjects with minimal adverse effects, offering a safer alternative to chemical lightening products.

This article discusses the foundational concepts of nanotechnology and its contributions to dermatology and medicine, but does not present new research findings.

This chapter reviews nanotechnology in cosmetics, detailing various formulations, performance assessment methods, and evolving regulations, while discussing safety, stability, and effectiveness concerns; it reports no new experimental results.

This review discusses the use of dermabrasion as an effective skin resurfacing technique for treating aging effects and reports no new clinical results.

This article provides a comprehensive overview of tattoo-related issues for clinicians, covering various aspects such as tattoo types, medical relevance, removal methods, complications, and South African legislation, but reports no new research findings.