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This case report describes a rare pedunculated follicular hamartoma on the nasal septum of a 77-year-old Japanese male, emphasizing its unique clinical and pathological features.

This review discusses the characteristics and management options for female pattern hair loss, highlighting the unclear role of androgens and the psychosocial impact, and reports no new clinical results.

This article reviews the role of androgen in male pattern hair loss and its impact on hair follicle miniaturization, but it does not present new research findings.

Female-pattern hair loss may involve an autoimmune-like process, suggesting new treatment options.

This case report indicates that follicular mucinosis can be an early sign of rapidly progressing mycosis fungoides, particularly with the aggressive folliculotropic variant.

This study developed a follicular automaton model that simulates human hair cycle dynamics and can replicate hair pattern changes associated with diffuse or androgenetic alopecia.

This study concluded that ordinary vitiligo may initially present as follicular leukoderma, with small white macules coalescing into larger patches as the disease progresses.

This study found that testosterone impacts hair follicles from different scalp regions differently in male pattern androgenetic alopecia, challenging the belief that occipital scalp follicles are androgen-insensitive.

Treatment with methotrexate and prednisolone led to complete hair regrowth and no relapse for 2 years.

In this study, a dog with canine pattern alopecia showed improved multifocal alopecia and general hair regrowth after 3 months of melatonin treatment.

In this study, researchers in South India observed that dermoscopic features like hair diameter diversity and miniaturized hair were common in female pattern hair loss, with yellow dots and honeycombing indicating more advanced stages, highlighting dermoscopy's utility in diagnosing and differentiating FPHL early.

This study found that frontal fibrosing alopecia and lichen planopilaris have similar histopathological features, but FFA exhibits more prominent apoptosis and less inflammation with spared interfollicular epidermis.

This study found inflammation and fibrosis in both pattern hair loss cases and controls but concluded that these factors may not significantly contribute to the pathogenesis of pattern hair loss.

This study found that local refinement of hair follicles into higher order patterns can occur without the core planar cell polarity system, but global alignment with body axes requires its function throughout development and regeneration.

This study found diverse clinical presentations of lichen planopilaris, with classic lichen planopilaris being the most common, highlighting the importance of recognizing this variability for accurate diagnosis.

This study investigated a unique frontal fibrosing alopecia-like presentation of alopecia areata, finding that patients experienced an insidious, chronic course with limited scalp hair regrowth, and showed a lower response to systemic corticosteroids compared to patchy alopecia areata.

This study found that 23.8% of participants with pattern hair loss had occipital involvement, with higher rates in females (35.6%) compared to males with early-stage hair loss (12.1%), illustrating significant gender differences in hair loss progression.

This study identified FP-1 as a highly specific extracellular matrix protein in follicular papilla cells, which may play a role in hair growth regulation during specific hair cycle phases.

Low androgen levels can still cause female pattern hair loss.

This study concluded that hair follicle hyperplasia found in pseudolymphomatous folliculitis can also occur in genuine cutaneous lymphomas, potentially as a coincidental result of underlying pathological processes.

This study identified key dermoscopic features in folliculotropic mycosis fungoides patients, showing that dilation of follicular openings and spiky follicular keratosis are specific indicators of follicular involvement, potentially aiding in diagnosis, classification, and treatment decisions.

This study found that polycystic ovary syndrome was the most common cause of hirsutism among premenopausal women in Algeria.

This review discusses recent advances in hair follicle research, highlighting therapeutic and cosmetic applications, but reports no new study results.

This review discusses the current understanding of the epidemiology, pathogenesis, clinical manifestations, and diagnosis of female pattern hair loss and reports no new research results.

This review discusses the characteristic trichoscopy patterns useful in differentiating lichen planopilaris and frontal fibrosing alopecia from similar conditions but reports no new clinical results.

This ex vivo study found that hair follicles in female pattern hair loss exhibited nutrient insufficiency and dormant metabolism, but maintained nutrient uptake capability, suggesting potential benefits of nutritional supplementation as an adjunct therapy.

This study reported that female pattern hair loss was prevalent in 11.8% of women aged 30 and older and was associated with high fasting glucose, fewer childbirths, oral contraceptive use, and excessive ultraviolet exposure.

This article discusses various skin pattern formations, their molecular mechanisms, and highlights the need for further understanding to connect molecular biology with organism phenotypes, without providing new clinical findings.

This review discusses the diagnosis, management, and clinical challenges of female pattern hair loss in PCOS patients but reports no new clinical findings, highlighting the need for further research and multidisciplinary care.