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This case report highlights trichotillomania's distinguishing "tonsure pattern" and nail-biting, emphasizing the need to differentiate it from other hair loss types due to differing treatments.

This study indicates that nail-matrical fibroblasts can induce hard keratin expression in non-nail-matrical keratinocytes, suggesting potential for using non-nail-matrical epidermal grafts to treat nail injuries.

This review discusses recent advances in the genetic understanding of inherited hair and nail disorders and reports no new clinical results.

This study observed that cathepsin L and transglutaminase 3 colocalize in the human hair bulb and nail matrix, suggesting their involvement in terminal differentiation within these epidermal appendages.

This article reviews the structural similarities and common disorders of hair and nails, highlighting their joint involvement in congenital and acquired conditions, but it reports no new clinical results.

This report describes a rare case of hair and nail ectodermal dysplasia in a 3-year-old girl, where treatment with topical minoxidil resulted in minimal improvement after 12 months.

Most people with alopecia areata have nail changes, which are common but don't greatly affect their quality of life.

This case report suggests that frontal fibrosing alopecia with nail involvement may be associated with lichen planus and improved with oral dutasteride due to an inflammatory reaction related to androgenetic alopecia.

This case report describes a black HIV-2 patient who experienced reversible nail, hair, and skin hyperpigmentation linked to ritonavir-boosted indinavir therapy, which resolved after discontinuation.

This report suggests that tofacitinib may be beneficial for patients with nail disease unresponsive to other treatments.

This study reports previously unreported nail features in Cronkhite-Canada syndrome, specifically recurrent onychomadesis of all 20 nails linked to systemic illness.

This study found that the oral supplement INVERSION® Femme significantly reduced weight and hair loss and improved skin and nails in overweight women.

This study found that partial protein extraction from keratinized tissues, such as hair and nails, reveals protein patterns distinct from whole protein extracts, including the presence of ubiquitin.

This study revealed that BMP5 in onychofibroblasts may play a key role in the differentiation of nail matrix keratinocytes, highlighting transcriptional similarities between nail and hair structures.

This study found that patients who recovered from COVID-19 experienced various skin, hair, and nail issues, with hair shedding being more common in those with moderate to severe cases.

This case report suggests that poor hair and nail growth in children with autism spectrum disorder and developmental delay may indicate a biotin-responsive condition, as biotin and acetazolamide therapy improved symptoms and school performance in the reported patient.

This study found that oral tofacitinib monotherapy improved nail changes in 73.3% of adults with moderate-to-severe alopecia areata over a median period of 5 months, but nail improvement was not linked to the severity of hair loss or hair regrowth.

This case report describes a 23-year-old male patient with nail discoloration that may be associated with COVID-19, suggesting possible microvascular damage.

In this study, nail matrix pathology in a patient with Cronkhite–Canada Syndrome revealed matrix hypergranulosis, suggesting that an inflammatory process may play a key role in the condition's pathogenesis.

This study investigated demographic and clinical characteristics of twenty-nail dystrophy in Korea, identifying differences in subtype and gender predominance between children and adults.

This study found that young patients with severe AA are more prone to nail abnormalities such as pitting and leukonychia, with koilonychia and red spots lunula in more severe cases.

This study suggests that nail loss may be a new, reversible adverse event related to teriflunomide treatment, akin to its known effects on hair loss.

This study found that dermoscopy can identify specific features within various nail diseases that aid in early diagnosis, although further validation of these findings is needed.

This article reviews the use of high-frequency ultrasonography to visualize nail units and scalps in dermatology, highlighting its potential benefits for disease assessment and treatment monitoring, but reports no new clinical results.

This review reports that nail changes such as onycholysis, thin nails, and brittleness are associated with thyroid disorders, highlighting their importance in the early diagnosis of these conditions.

The document explains what healthy skin, nails, and hair look like on an ultrasound.

This study found that alopecia areata patients with eosinophilia were more likely to have severe hair loss, atopia, and nail abnormalities compared to those without eosinophilia.

This study found that both CO2 laser combined with topical methotrexate and calcipotriol plus betamethasone treatments improved nail psoriasis similarly, but some symptoms showed no improvement.

This research notes that biologics and small molecules are effective for treating nail psoriasis and alopecia areata, albeit with precautions for adverse events, but no clinical trials have been published for their use in treating nail lichen planus and atopic dermatitis.

This case study reports that a woman with epidermolysis bullosa acquisita experienced severe cicatricial alopecia and total nail loss after discontinuing treatment for two years, highlighting the potential for serious effects if the condition is not managed.