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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 found that mutations in the Foxn1 gene in nude mice affect not only hair but also nail structure and differentiation, offering insights into nail hypergranulosis pathogenesis relevant to human nail diseases.

This article discusses the histologic features of psoriasis, including psoriasiform epidermal hyperplasia and neutrophilic involvement, but reports no new clinical findings.

This study found that overexpressing Dsg3 in the suprabasal epidermis of transgenic mice resulted in flaking skin and abnormal hair growth, supporting Dsg3's role in regulating epidermal differentiation.

This case report diagnosed an 8-year-old girl with trachyonychia and secondary onychomycosis, finding that spontaneous improvement is common, making specific therapy often unnecessary despite treatment challenges with associated fungal infections.

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 found that Cuscuta reflexa extracts promoted hair regrowth and follicular proliferation in cyclophosphamide-induced hair loss in male rats.

This study observed that nail abnormalities often indicate underlying dermatological or systemic conditions, with psoriasis and infections being the most common causes among patients.

This case report describes a young male with trachyonychia with associated hypertrophic cutaneous lichen planus, reticular oral lichen planus, and nail lichen planus. The diagnosis was aided by dermoscopy and histopathology, highlighting the importance of accurate diagnosis for effective treatment and prognosis.

This study observed that 2.5% of patients with mycosis fungoides or Szary syndrome experienced alopecia, predominantly within skin lesions, with scalp metastases from other cancers also potentially causing hair loss, highlighting the diagnostic value of trichoscopy in differentiating alopecia types.

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.

The study found that CK15 expression, representing hair follicle stem cell activity, was reduced or absent in scarred primary cicatricial alopecia lesions, suggesting stem cell damage may contribute to the scarring process.

The document concludes that different types of hair loss have specific treatments, and early diagnosis is crucial for preventing permanent hair loss.

This review discusses the characteristics and challenges in treating Cronkhite–Canada syndrome but reports no new clinical findings, emphasizing the need for better understanding and uniform treatment approaches.

Lichen Planus is a less common condition affecting skin and mucous membranes, with various types and associated risk factors, challenging to diagnose, significantly impacts life quality, and may have a risk of cancerous changes in oral lesions.

This review discusses various forms of ichthyosis, including genetic and acquired types, detailing their characteristics, causes, and potential management strategies, but reports no new clinical results.

This review outlines a diagnostic framework for clinicians to distinguish different types of inherited ichthyoses and suggests further testing and treatment strategies, but reports no new clinical results.

This study found that dysregulation of the folliculin-p0071 interaction may lead to changes in cell adhesion and signaling, contributing to conditions like emphysema and renal cell carcinoma.

Graft-versus-host disease is a complication where donor immune cells attack the recipient's body, often affecting the skin, liver, and gastrointestinal tract.

This article reviews the classification, diagnosis, and management of hair disorders, emphasizing the role of trichoscopy and early diagnosis for effective treatment but reports no new clinical findings.

This article reviews the impact of different forms of alopecia on patients with systemic autoimmune diseases and reports no new clinical findings; it emphasizes the need for attentive management of alopecia-related symptoms.

This study identified two distinct histological patterns in permanent alopecia following bone marrow transplantation, suggesting links to myeloablative chemotherapy and chronic graft-versus-host disease.

This article reviews various causes and investigative techniques for different forms of alopecia and reports no new findings.

This study found that treating acute and chronic canine skin wounds with adipose-derived mesenchymal stem cells significantly improved healing and reduced inflammation, suggesting potential benefits for human wound care.

This review discusses the cutaneous side effects of chemotherapy, noting that they frequently involve changes to skin, hair, and nails, and reports no new results.

This review discusses histologic findings in alopecia and emphasizes the importance of understanding normal follicular anatomy and cycles in transverse sections, without reporting new results.

This review explores new theories, diagnostic tools, and management strategies for primary cicatricial alopecia but reports no new clinical findings.

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 study attempts to classify histomorphologic reactions to drugs to aid in diagnosing drug eruptions, which are common in hospitalized patients but lack specific diagnostic features.

The book details skin conditions in older adults, their link to mental health, cancer treatment importance, hair loss remedies, and managing autoimmune and itchy skin.