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This study found that both trichoscopy and folliscopy are highly accurate for diagnosing telogen effluvium, but trichoscopy is easier and quicker to perform.

This study discovered that the gene Tfap2b identifies a melanocyte stem cell population in zebrafish, essential for regenerating melanocytes with multi-fate potential into adult pigment cells.

This research found that the microtubule catastrophe factor KIF18B plays a crucial role in promoting spindle orientation in keratinocytes, linking this process to cell fate decisions during hair follicle morphogenesis.

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

This study discovered that TTR is expressed in the human placenta as early as 6 weeks gestation, with increased levels in the first trimester potentially facilitating thyroid hormone delivery to the fetus.

In this study, embryonic skin fibroblasts from day E17.5 and postnatal day P5, but not E14.5, effectively supported hair follicle formation, indicating distinct developmental states and differentiation capacities.

Trichodysplasia spinulosa can occur after a heart transplant due to immunosuppressive drugs.

This case report describes a 57-year-old Japanese male with a folliculosebaceous cystic hamartoma containing unusual hair shaft fragments, providing insight into its characteristic histological features.

This case report documents the first known instance of FOXN1 duplication linked to congenital hypertrichosis.

In this study, the authors emphasize the importance of not ignoring the partial presence of comma or harpin hairs and black spots when identifying early lesions of tinea capitis, which may initially be overlooked due to their small size.

In this study, researchers evaluated trichoscopy in diagnosing non-scarring alopecia and found diagnostic value in observing diverse hair diameters in androgenetic alopecia, black dots and broken hairs in alopecia areata, and empty follicles in telogen effluvium, supporting trichoscopy's utility in differentiating alopecia types.

This article discusses trichotillomania and trichoteiromania, focusing on their clinical presentation, main trichoscopic features, and similarities in hair loss patterns but reports no new research findings.

This study found a significant association between reduced FGF13 levels and X-linked congenital generalized hypertrichosis, suggesting FGF13's potential role in hair follicle growth and the hair cycle.

This study found that early pigment cell markers Sox10 and c-KIT, as well as DCT/TRP-2, were detectable in melanogenically-active melanocytes of the anagen bulb in human hair follicles.

This case study reports that selenium shampoo, bacterial infection with trichomycosis axillaris, and possibly strongyloides larvae may have contributed to acquired hair shaft abnormalities resembling trichorrhexis nodosa in two patients.

This study introduces the term "hair matrix cyst" for a cyst with both pilomatricoma and epidermal cyst characteristics, highlighting its potential for misdiagnosis among similar skin conditions.

This study found that in mice with deregulated β-catenin and PTEN signaling, increased follicular hyperplasia and sebaceous gland changes occur, but typical papillomas do not develop, potentially due to p21 response and reduced stem cell markers.

This study found that trichoscopy was 73.77% concordant with histopathology in diagnosing patchy alopecia, highlighting its usefulness as a diagnostic tool for conditions like alopecia areata, lichen planus pigmentosus, and discoid lupus erythematosus.

This study concluded that trichoscopy is an effective, non-invasive tool for diagnosing telogen effluvium, with significant differences in trichoscopic findings between frontal and occipital scalp regions, aiding in distinguishing it from androgenetic alopecia for early diagnosis.

This study generated a transcriptomic map of human hair follicle compartments, providing a database for identifying compartment-specific gene expression which may aid in developing targeted treatments for hair follicle disorders.

This review discusses the application of trichoscopy in diagnosing various hair and scalp diseases and reports no new clinical results; the authors emphasize its role as a non-invasive diagnostic tool.

In this study, researchers reported that dermatoscopy effectively differentiates between various types of alopecia and scalp disorders, offering a fast, minimally invasive diagnostic method that improves the standard of care and reduces the necessity for scalp biopsies.

In this study, researchers showed that multiphoton microscopy with fluorescent protein tagging enables single-cell imaging and tracking in live transgenic mice, offering new insights into cell dynamics in stem cell research compared to traditional histological methods.

This article questions whether frontal fibrosing alopecia and fibrosing androgeneic patterned hair loss are overlapping conditions or stages of the same process, calling for further research to clarify their underlying factors.

In this study, trichoscopic examination revealed that variations in hair diameter were more common in certain types of alopecia affecting the frontal scalp, suggesting the importance of evaluating the entire scalp for accurate diagnoses, although limitations include a single center design and small sample size.

This study found that in vitro, cultured bulge cells from human hair follicles possess properties of primitive cells, supporting the hypothesis that hair follicle stem cells reside in the bulge area.

This case report highlights an unusual trichoscopic appearance in alopecia areata due to dithranol staining, which may obscure typical patterns and reveal atypical vascular features in the interfollicular spaces.

In this case report, a 24-year-old male with acquired distal trichorrhexis nodosa showed significant improvement after avoiding harmful hair treatments and using a repair shampoo alongside biotin and zinc supplements.

This study found that trichoscopy can diagnose genetic hair shaft abnormalities without plucking or cutting hair, by visualizing characteristic features in a single session.