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This article reviews the characteristics, associations, and diagnostic criteria for alopecia areata and reports no new clinical findings; the authors note the disease's unpredictable course and variable prognosis.

This article reviews various causes of diffuse hair loss, highlighting the importance of identifying triggers through thorough examination for effective treatment and emphasizing patient education in management; it reports no new clinical findings.

This article reviews recent updates on alopecia areata, focusing on its causes, clinical presentation, and treatment options, and provides treatment plans by patient age and disease extent, but reports no new clinical results.

This review discusses the clinical features of trichotillomania and the challenges in its diagnosis and treatment, reporting no new clinical findings while highlighting the need for specialized therapy and better therapeutic options.

Hair loss that spreads out can often fix itself or be treated by finding and handling the cause.

This study found that using a low-level laser comb led to hair regrowth in a mouse model of alopecia areata, while sham-treated mice showed no hair regrowth.

This article reviews various types of primary cicatricial alopecias and emphasizes the importance of accurate diagnosis to improve management strategies, particularly detailing remaining lymphocytic forms and expanding on neutrophilic and mixed types.

This study developed a method for expanding human dermal papilla cells in vitro while maintaining their ability to induce hair growth, advancing the potential for follicular cell implantation as a treatment for hair loss.

This study suggests that CD8+ cytotoxic T lymphocytes play a crucial role in the development of alopecia areata, based on observations in rodent models that mimic human autoimmune disease.

This review discusses the categorization of hair loss and increased hair density disorders related to systemic diseases and reports no clinical results, emphasizing the potential diagnostic value of history, physical examination, and histopathologic data.

This review highlights the challenges in treating alopecia areata, noting that current therapies often lead to relapse and have uncertain long-term effectiveness; it also points to potential future treatments such as JAK-STAT inhibitors and PRP.

This article describes two cases where essential alopecia was the initial sign of syphilitic infection, examining the clinical and histopathologic features observed.

This review discusses prolactin production and regulation in human skin and hair follicles, highlighting its potential broader implications but reports no new empirical results.

This article reviews the diagnosis and management of alopecia areata but reports no new research findings.

This review revisits the mechanisms of wound induced hair follicle neogenesis in mice and concludes that the process involves canonical WNT signaling activated by Fgf9 from γδ T cells, but more research is needed to fully understand its cellular bases.

This study found that plasmacytoid dendritic cells are central to the pathogenesis of alopecia areata, suggesting they may help differentiate it from trichotillomania and androgenetic alopecia.

In this study, murine follicular cell aggregates developed into hair-like structures in culture, which upon implantation into mice skin matured into complete hair follicles, suggesting potential for treating hair loss.

This review discusses topical and intralesional treatments for alopecia areata, providing a management strategy based on patient age and disease severity, but reports no new clinical results.

In this study, anthralin treatment led to hair regrowth in alopecia areata-like affected C3H/HeJ mice, suggesting it may be an effective therapy for this condition.

This study found that hair transplantation using round grafts improved hair growth in African American women with end-stage CCCA, showing no postoperative scarring in the donor or recipient areas.

This study found that colchicine treatment significantly reduced hair fiber elongation in cultured hair follicles and altered protein expression and activity in dermal papilla cells, suggesting a role for the ubiquitin-proteasome system in its effects.

The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.

This study established an androgen-responsive human organ culture model using hair follicles, demonstrating that women's intermediate facial follicles grow more hair in response to men's higher androgen levels.

This study observed that patients with alopecia areata often have a T-cell receptor repertoire in skin lesions that suggests a specific antigen-driven immune response may be important in the disease's pathogenesis.

This study observed that aging leads to significant structural and biological changes in the scalp's hair follicle environment in women, which may affect hair growth.

This review discusses the classification and diagnosis of primary scalp alopecia, focusing on scarring and non-scarring types, and reports no new clinical results; it emphasizes simplified diagnostic pathways and tissue processing techniques.

The cause of alopecia areata was unknown, and while various treatments existed, no best treatment was agreed upon.

This case report describes a 42-year-old woman with atopic dermatitis, whose alopecia areata reactivated rapidly after starting dupilumab, possibly indicating an unrecognized adverse effect in AD patients.

This review discusses current and emerging therapeutic strategies for androgenetic alopecia, noting limited evidence but suggesting areas such as prostaglandin analogs, PRP, and progenitor cell therapies as promising future directions.

This review discusses the history and challenges of hair follicle regeneration using follicular fragments and dissociated cells, without presenting new clinical results.