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This review outlines the classification, histopathologic presentation, and pathogenetic concepts of scarring and nonscarring alopecias, reporting no new clinical results and emphasizing the need for clinicopathologic correlation.

This study investigated the histopathology of ectodermal dysplasia/skin fragility syndrome, identifying specific skin and hair abnormalities associated with PKP1 gene mutations in two young female patients.

This review discusses the classification and diagnosis of primary scalp alopecia, focusing on scarring and non-scarring types, and reports no new clinical results; it emphasizes simplified diagnostic pathways and tissue processing techniques.

This study reports two distinct patterns of hair changes in postmenopausal women, linking diffuse generalized scalp hair loss to older age and frontal hair loss to higher facial hair scores and younger age.

This study found that patients with alopecia areata and androgenetic alopecia showed increased c-kit expression and decreased Ki-67 expression in hair follicle cells compared to controls, suggesting a possible feedback mechanism involving stem cell factor signaling.

In this study, pigmentary changes were the most common skin changes observed in pregnant women, affecting over 90% of the participants.

This study evaluated the effects of topical glucocorticoids on human skin using non-invasive imaging methods and observed changes such as alterations in skin layer thickness, keratinocyte size, and collagen and elastin signal intensity.

The researchers observed that in cases of alopecia areata with atypical features, histopathological confirmation may be necessary, as trichoscopic clues like loss of follicle ostia and vellus hairs were common, while typical features such as exclamation mark hairs were not always present.

This study found that histomorphological evaluation of nail punch biopsies is useful for diagnosing various nail-related dermatoses, with psoriasis being the most common condition observed.

This study found that while the combination of oral propranolol and intradermal injections in guinea pigs led to psoriasiform changes, it did not fully mimic psoriasis.

This review evaluates various biopsy protocols for alopecia diagnosis and discusses the authors' experience with the St John's protocol but presents no new clinical findings.

This study found that pediatric HSCT recipients, especially those with chronic graft-versus-host disease, are at risk for developing various nonmalignant late cutaneous changes such as vitiligo, psoriasis, alopecia, and nail changes.

This study found that scanning electron microscopy can identify four specific hair morphology patterns in alopecia areata patients, offering a less invasive diagnostic option compared to punch biopsy.

Using an ultrasonic liposuction machine with different cannula sizes and power settings does not change water temperature.

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 found that adnexal acantholysis does not reliably distinguish pemphigus vulgaris from pemphigus foliaceus, but the level of acantholysis and degree of dyskeratosis serve as distinguishing features among acantholytic disorders.

This study found that, in Japanese patients with androgenic alopecia, sebaceous glands exhibit increased multilobulation which may be significant in the condition's pathology.

In this study, researchers found that complementary and alternative medicine remains widely used by Korean patients with psoriasis despite advances in biologic treatments, highlighting the need for better education on conventional therapies.

This study observed that specific dermoscopic features, such as altered pigmentary network and yeast invasion of hair follicles, along with certain histopathological features, assist in diagnosing pityriasis versicolor.

This case study reports a man with rapid hair thinning, whitening, and sparse beard, linked to an increased proportion of hair follicles in catagen or telogen phase and peribulbar lymphocytic infiltrate.

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

This study identified the presence of apoptotic or necrotic keratinocytes and hair shaft dystrophy as potential markers of hair loss in patients with HIV-1 infection.

This article discusses skin changes during pregnancy and emphasizes the importance of recognizing these physiological manifestations to prevent unnecessary tests and stress for pregnant patients; it reports no new study findings.

This study observed that aging leads to significant structural and biological changes in the scalp's hair follicle environment in women, which may affect hair growth.

This study suggests that diffuse alopecia areata initially involves an intense inflammatory attack during the anagen phase, progressing through different hair cycle stages with specific shedding patterns.

This study found that high-dose pterostilbene potentially reduced prostate hyperplasia and had strong antioxidant effects in male rats with benign prostatic hyperplasia, suggesting it might be more effective than vitamin C and resveratrol in similar contexts.

This review discusses the nutritional and therapeutic benefits of honey based on its botanical origin, and it reports no new clinical results, instead calling attention to its varied uses and potential health impacts.

This study observed that estrogen receptor β and androgen receptor expressions in the skin decline with age, more noticeably under sun exposure, suggesting a role in skin aging.

This review systematically analyzed literature to differentiate desmoplastic trichoepitheliomas from other cutaneous tumors based on clinical, histopathological, and immunohistochemical features but reports no new clinical results.

This study found that lichen planopilaris was the most common variant of cicatricial alopecia among patients, with perifollicular fibrosis being a prevalent histopathological feature.