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This study observed that 78.3% of patients with alopecia areata exhibited nail changes detectable by dermoscopy, notably nail pitting, in contrast to 14.2% of healthy controls, with these changes significantly associated with disease severity, age, and duration.

In this study, androgenetic alopecia patients exhibited more nailfold capillary abnormalities, suggesting a potential link between microcirculation issues and the condition.

This review outlines various non-rash skin toxicities associated with novel targeted anticancer therapies and provides guidelines for their early diagnosis and management, but reports no new clinical results.

This article reviews the physiological skin changes and unique dermatoses in pregnancy, discussing their causes and management, but reports no new clinical findings.

Pregnancy often causes skin changes like darkening, stretch marks, and hair growth, which may improve after childbirth.

This expert consensus statement highlights that while targeted cancer therapies significantly improve patient survival, they often result in various skin toxicities, underscoring the need for early diagnosis, management, and multidisciplinary care to maintain patients' quality of life and ensure treatment continuity.

Skin problems like acne, dry skin, and nail and hair changes are common in patients taking EGFR inhibitors.

This review describes nail changes linked to various non-infectious skin diseases, highlighting how these alterations can help diagnose and manage conditions like psoriasis and lupus by noting specific and overlapping nail characteristics.

This review discusses common hair and nail diseases in the elderly and reports no new clinical results, noting their significant impact on quality of life.

This study observed that common skin changes in patients with type 2 diabetes included peripheral hair loss, xerosis, anhydrosis, and nail alterations, underscoring the importance of controlling blood sugar and foot care to prevent neuropathy complications.

In this study, dermoscopic examination of COVID-19 patients revealed significant microvascular changes in the proximal nailfold, such as avascular areas and disorganized capillary architecture, compared to healthy controls, with some regression of these changes observed over time.

This paper reviews the diverse skin, nail, and hair changes caused by medications, highlighting hyperpigmentation, alopecia, and nail structural alterations, but reports no new data.

In this study, researchers observed that patients with alopecia areata showed higher capillary density and signs of neovascularization compared to controls, suggesting a potential link between alopecia areata and microcirculatory changes.

Keratin 17 is important for hair and nail structure and affects pachyonychia congenita symptoms.

This case report describes a novel NECTIN4 gene mutation linked to ED-syndactyly syndrome 1 in a young girl, contributing to the understanding of this rare ectodermal dysplasia.

This review provides an overview of the physiologic skin changes during pregnancy but reports no new findings, emphasizing the need for physicians to distinguish between benign and potentially pathological conditions.

This study found that capillaroscopic patterns varied among patients with systemic scleroderma, psoriasis, psoriatic arthritis, and alopecia, suggesting potential microcirculation disturbances; however, no correlations were observed with serum angiogenic markers.

In this case report, a 45-year-old Jordanian woman was diagnosed with Clouston syndrome, an autosomal-dominant disorder characterized by alopecia and nail dystrophy due to a mutation in the GJB6 gene, though she lacked the typical palmoplantar keratoderma.

This source reports that pregnancy leads to significant changes in skin physiology, including hyperpigmentation, hair and nail alterations, vascular modifications, and glandular shifts, highlighting the complex physiological adjustments during this period.

This review discusses normal skin changes during pregnancy such as pigmentary and glandular alterations, highlighting the need for physician awareness to avoid unnecessary treatments, and reports no new clinical findings.

This study found that newborn mice deprived of colostrum developed disorders linked to zinc deficiency, and administering inorganic zinc prevented these conditions.

This review discusses skin changes during pregnancy, highlighting both pregnancy-specific and common physiologic changes, but reports no new clinical findings.

This review discusses the physiological skin changes during pregnancy and reports no new clinical results, emphasizing the importance of distinguishing these changes from pathological conditions.

This article discusses various pruritic dermatoses that can occur during pregnancy, emphasizing the importance of physician skill in diagnosing and treating these conditions; it reports no new findings.

This study observed that while dexamethasone-cyclophosphamide pulse therapy is relatively free from hypertension and diabetes compared to conventional steroids in pemphigus patients, it frequently causes generalized weakness and flushing.

Pregnancy can cause more body and scalp hair growth and make nails brittle, but these changes often revert after giving birth.

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 review discusses recent advances in understanding the cellular, molecular, and genetic factors contributing to lupus erythematosus and reports no new experimental findings.

In this study, selenium-rich diets enhanced antioxidant activity in aged mice, suggesting potential biological benefits, although further trials are needed to fully understand long-term risks and benefits.

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