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A new computer tool quickly measures hair thickness differences in people with common types of hair loss.

This study identified five distinct natural scalp whorl patterns and noted that White males have more distinct whorls, whereas African Americans and women often display a diffusion pattern.

Temporal triangular alopecia is a lifelong condition with hairless patches on the side of the head that may be present from birth.

In this study, researchers observed that the combination of hair progenitors and their micro-niche changes every three days in mouse zigzag hair, and disruptions in specific genes affected this rhythm, highlighting the importance of this periodic change for normal hair morphology.

In this study, researchers found that human fingerprint ridges are formed through a modified hair follicle developmental process and spatial patterns influenced by specific signaling pathways.

In this case study, an 18-year-old woman's triangular alopecic patch diagnosed as temporal triangular alopecia was considered non-progressive and had no impact on her quality of life, so no treatment was initiated.

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.

In this study, researchers found that trichoscopy helps detect early signs of female-pattern hair loss before it is visible, highlighting its importance for monitoring and managing the condition.

This study found that white females with female pattern hair loss had higher hair density in the occipital scalp area, while Asian females had thicker hair diameters in both frontal and occipital areas.

This study identified five distinct scalp whorl patterns, noting that white males have the most distinct whorls, while African Americans and women more often exhibit a diffusion pattern.

This study presents guidelines for designing female hairlines, noting that most women in the sample had a widow's peak and specific average measurements for hairline features.

This case report highlights the importance of trichoscopy in diagnosing fibrosing alopecia in pattern distribution, distinguishing it from female pattern hair loss, and guiding effective treatment.

This study found that treatment modalities and patch size influence hair regrowth patterns in alopecia areata patches.

This article reviews the characteristics and presentation of fibrosing alopecia in a pattern distribution, a form of scarring alopecia similar to androgenetic alopecia and lichen planopilaris, but provides no new clinical findings.

This article discusses the development of skin patterns during embryogenesis and postnatal life, linking them to genetic, environmental, and mathematical factors, but presents no new empirical findings.

This study observed that Trps1 gene expression in mice is precisely regulated in skin development, particularly during hair follicle morphogenesis, with distinct localization patterns in different cell types.

This report suggests a possible association between temporal triangular alopecia and sebaceous nevus, and identifies a pinkish background as a new trichoscopic finding for TTA.

This study found that trichoscopic quantitative parameters reliably indicate the severity of female pattern hair loss and complement the Sinclair scale by offering a more objective and reproducible grading system.

This Viewpoint discusses the utility of dermoscope in routine practice and how familiarity with dynamic vs static trichoscopy may address its limitations, but it reports no new clinical findings.

This study found that Follicular Maps, derived from trichoscopic images, remained consistent over time and unaffected by hair cycling or noncicatricial alopecia, offering a precise tool for diagnosing and monitoring hair and scalp conditions.

This study observed that hair density and growth rates vary by location and age, and the presence of thin hairs predominates in younger women with mild patterned hair loss.

This article reviews the generation of complex integument patterns through genetic, chemical, and environmental influences, with applications in tissue engineering, but reports no new experimental results.

This study observed that multiple familial trichoepitheliomas commonly presented with a cribriform histopathological tumor pattern, differentiating them from solitary trichoepitheliomas.

Double trichophytic closure effectively repairs thin scalp scars, reducing financial burden.

This study found that miniaturization of hair is present in some women with androgenetic alopecia, but diagnosis may also be based on differences in hair shaft diameter between scalp regions.

A deep learning model was developed to help diagnose trichothiodystrophy by analyzing hair patterns.

This letter discusses congenital triangular alopecia (TTA), a non-scarring hair loss condition often seen in children, without reporting new clinical findings.

The document concludes that using a phototrichogram with a protractor and tapeline is a reliable and noninvasive way to measure hair loss.

This article discusses the significance of anatomic zones in hair loss and underscores the importance for hair restoration surgeons to understand these patterns and their implications for future treatments, but reports no new clinical findings.