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This study observed that black-haired areas in female Saluki puppies developed hypotrichosis, with dilated hair follicles containing melanin clumps, while white-haired areas remained normal.

In this study, patients with systemic lupus erythematosus and generalized non-scarring alopecia exhibited hair loss similar to telogen effluvium, with significant changes observed in the cuticle of telogen hairs.

This study observed that the thinning and structural abnormalities in monilethrix-affected hair occur at the internodes due to possible periodic dysfunction of the hair matrix, particularly in the cortex.

This article reports a case of trichothiodystrophy in a 7-year-old girl with sulfur deficiency in her hair, characterized by sparse, slow-growing hair and distinctive tiger tail banding under microscopy.

This report describes two children with congenital hypotrichosis and found their short hair is due to a shortened anagen phase, with the condition resolving spontaneously during puberty.

This report on a 37-year-old patient found that trichorhinophalangeal syndrome type I is associated with hair abnormalities, including fine and brittle hair with altered biomechanical properties, but no treatment exists for the hair defects.

This study found that Prss53-mutated rabbits exhibited curved hair and skeletal dyskinesia, suggesting a link between Prss53 loss and these traits, potentially involving disrupted calcium metabolism.

This article reviews the classification of hair shaft abnormalities, outlining their diagnostic features, but does not present new research findings.

This review presents updated tables of mouse mutants with hair growth abnormalities to aid in understanding the molecular mechanisms of human hair disorders, but reports no new clinical results.

This article reviews the clinical and diagnostic features of hair shaft disorders, emphasizing the role of structured patient assessments and the avoidance of hair trauma, but reports no new results.

This case study describes a 14-year-old girl with pili annulati who had fragile hair, which may be due to cavities within the hair shafts as seen in electron microscopic examinations.

This article discusses using cosmetic hair products alongside medical treatments for hair conditions to enhance patient self-esteem and quality of life, without reporting new clinical results.

Mother and son diagnosed with a rare genetic hair loss condition with no effective treatment.

This article reviews the characteristics and classification criteria of cutaneous lupus erythematosus and reports no new clinical findings.

This report presents a 6-year-old girl with Turner syndrome, suggesting a possible association between Turner syndrome, psoriasis, alopecia areata, and trachyonychia.

This case report describes a patient with lichen nitidus whose lesions improved following treatment with oral astemizole and topical steroids, although spontaneous resolution remains a possibility.

This report describes a 6-year-old girl with Turner syndrome and coexisting psoriasis, alopecia areata, and trachyonychia, suggesting a potential link between these conditions.

This study reported that albino Wistar rats exposed to chemical hair straighteners showed significant hair fiber damage and scalp skin deterioration, which worsened with repeated and prolonged application, highlighting the cytotoxic potential of these products and potential systemic risks.

This study observed that follicular dysplasia in Weimar Pointers produces histopathological features and hair abnormalities similar to color dilution alopecia, though less severe.

In this study, researchers found that trichothiodystrophy hair brittleness is linked to abnormalities in sulfur content and structural organization, making it prone to breakage.

This review discusses diagnostic challenges and management approaches for pediatric hair disorders, emphasizing the importance of distinguishing between acquired and congenital conditions, and reports no clinical results.

This case report highlights the rare co-occurrence of Pili Annulati and Trichorrhexis Nodosa in a Syrian woman, underlining the need for further research into their relationship and treatment.

This review discusses potential causes of alopecia and hair overgrowth in pediatric patients, detailing diagnostic techniques and treatments, but presents no new research findings.

The document concludes that hair analysis is not good for assessing nutrition but can detect long-term heavy metal exposure.

This review discusses various pediatric hair loss conditions and treatments, highlighting the importance of a holistic approach and noting that no single treatment is universally effective.

This review outlines the diagnostic criteria for congenital and hereditary hair shaft abnormalities and emphasizes the need to understand the weathering process in assessing these disorders.

This case report describes an 18-year-old man with pili annulati, characterized by a "shagreened" appearance of the hair shaft with alternate bright and dark bands and wide holes throughout the cortex.

In this study, researchers found that patients with Friedreich's ataxia exhibited more pronounced ultra-structural hair alterations compared to carriers, likely due to oxidative stress related to deficient frataxin expression.

This review discusses the role of TGM3 in skin and hair follicle biology, human tumor pathology, and genetic abnormalities, and reports no novel results; the authors highlight its potential as a cancer diagnostic biomarker.

This study reports that structural abnormalities in the inner root sheath of hair follicles may cause the hair shaft to be loosely attached in patients with loose anagen hair syndrome.