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This review discusses the use of trichoscopy for diagnosing systemic diseases and concludes that certain trichoscopic features may help dermatologists suspect these conditions.

In this animal study, treatment with Trachyspermum copticum seed extract significantly altered IL-1 and KGF/FGF-7 gene expression, improving dermatitis and hair growth in mice compared to controls and corticosteroids.

This case report describes a 36-year-old Senegalese man with tinea capitis caused by Trichophyton soudanense, a dermatophyte more frequently encountered in Europe due to immigration.

This study found that AHCC supplementation significantly reduced alopecia severity in Ara-C treated rats and mitigated liver injury-related side effects in mice treated with 6-MP and MTX.

This study found that trichoblastomas and nodular basal cell carcinomas have similar cytokeratin expression patterns, indicating differentiation towards the outer root sheath epithelium.

This study found that trichoblastic fibroma and basal cell carcinoma cannot be differentiated by cytokeratin expression patterns, while trichoepithelioma lacks CK7 expression, distinguishing it from the other two neoplasms.

In this study, researchers identified an autosomal dominant mutation (E402K) in exon 7 of the KRT86 gene as a cause of Monilethrix in a large family from Turkey.

This study reports a case where Geotricum candidum caused skin lesions in a horse following long-term corticosteroid and antibiotic use, highlighting the importance of prompt veterinary consultation for dermatitis diagnosis.

This study identified a novel insertion mutation in the hairless gene that may contribute to the development of congenital atrichia with papular lesions in a Pakistani family.

This study demonstrated that HOXC13 directly influences hair keratin gene expression by binding to specific DNA motifs, suggesting its role in early hair follicle differentiation.

This study found that complete surgical resection and multidisciplinary management were crucial for treating proliferating trichilemmal tumors, though malignant cases showed recurrence and mortality risks.

In this study, trichoscopy was identified as a useful non-invasive tool to aid in the diagnosis of female pattern hair loss, with peri pilar sign and hair diameter variability being common findings.

This report describes a child and his father with hereditary hypotrichosis simplex, an uncommon isolated form of hair loss, with no other ectodermal or systemic abnormalities noted.

This review examines psychosomatic hair diseases, discussing their classification, implications, and the need for tailored psychosomatic therapy, without reporting new clinical results.

In this study, researchers used spatial transcriptomics to identify increased expression of genes linked to extracellular matrix organization and epithelial–mesenchymal transition in the progenitor cell regions of hair follicles in androgenetic alopecia patients, suggesting a possible role in progenitor cell loss and fibrogenic microenvironment development.

This report describes the sonographic characteristics of a proliferating trichilemmal tumor in the subungual region, identifying it as a heterogeneous mass with echogenic foci, potentially representing keratin and cholesterol.

In this study, researchers found that a low-cost USB dermoscope can effectively detect microscopic hair changes associated with early female pattern hair loss, making it a useful tool for diagnosis even without expensive equipment or programs.

This study found that the long non-coding RNA lnc056 promotes the proliferation of hair follicle stem cells by upregulating TRIP6 expression through interaction with the transcription factor HNRNPUL1, suggesting a potential target for hair loss treatment.

This study suggests that proteins CHI3L1 and CXCL5, secreted by recovery-state dermal papilla cells, may promote hair growth by stimulating the proliferation of outer root sheath cells.

In this study, researchers reported that specific immunoreactivity patterns observed in hair follicle stem cell markers suggest different origins for trichilemmoma, basal cell carcinoma, and squamous cell carcinoma in human skin tissues.

This study suggests that hormonal disturbances play a role in female pattern hair loss and that trichoscopy may be a useful tool for diagnosis and differentiation from other conditions.

This case study documents the co-existence of trichorhinophalangeal syndrome and loose anagen syndrome in a patient, highlighting a previously unreported association between the two conditions.

This study identifies gene-regulatory networks related to genetic variants in skin and hair diseases, suggesting that dermal papilla cells are crucial in androgenetic alopecia.

In this study, the varied phenotype of trichothiodystrophy was highlighted, with findings of distinctive hair shaft abnormalities and a wide range of multisystem issues, including neurologic and urologic disorders.

Mutations in the hHb6 gene cause the hair disorder monilethrix.

This review discusses molecular genetic approaches to understanding and treating hair loss disorders like papular atrichia, highlighting potential future gene-based therapies, but reports no new clinical findings.

This case report describes a 6-year-old girl diagnosed with monilethrix despite no familial history and treated with a topical minoxidil trial.

This study found that the p.E402K mutation in the KRT86 gene is a hotspot in Chinese patients with monilethrix, and treatment with 5% topical minoxidil significantly improved hair density and quality.

This review discusses the roles of filaggrin and trichohyalin in keratinocyte differentiation and reports no new results; the authors introduce possible hybrid granules in tongue epithelia.

Tiger tail banding and hair abnormalities are reliable indicators for diagnosing trichothiodystrophy.