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This review examines the cutaneous manifestations of systemic diseases, including metabolic, cardiovascular, renal, gastrointestinal, and malignant conditions, as well as updates on skin signs of COVID-19, without presenting new study results.

This article explains that proliferating trichilemmal tumors, originating in the hair follicle, can exhibit low-grade malignant potential, and recommends wide excision to minimize recurrence risk, but reports no new clinical findings.

This study reported that wound-resident mesenchymal cells can be reprogrammed to generate epithelial tissues, aiding in the closure of large, non-healing ulcers without signs of malignant transformation.

This study found that Janus kinase inhibitors significantly improve treatment outcomes for complex skin conditions like atopic dermatitis and alopecia areata, but their implementation requires careful safety considerations, including risk assessments for cardiovascular, malignant, and reproductive issues.

This case report describes a rare instance of pilomatricoma, a benign tumor of the hair follicle, accompanied by striae distensae on a young man's flank, emphasizing the uniqueness of this presentation for timely diagnosis and care due to its potential for malignant transformation.

This study established the R-7 dermal papilla cell line, which retained essential characteristics of primary cells without undergoing malignant transformation, suggesting its potential for future hair research.

This study reported an incidence of lichen planus of 0.16% among patients, with the classical type being most common, and found associations with various immune-mediated diseases and rare cases of malignant transformation.

This article discusses the structure and function of the skin, the etiology and increasing incidence of skin cancer, and the types and prevalence of malignant skin tumors, but reports no new research findings.

In this study, a case of a 20-year-old woman revealed ectopic acanthosis nigricans at a post-syndactyly-release surgical site, suggesting this rare condition could result from epidermal–dermal mismatch and altered growth factor signaling in grafted skin, without indicating any metabolic or malignancy concerns.

In this study, researchers developed a chemiluminescence assay kit for detecting free testosterone, showing it performed well and met clinical demands with low cost and automation; free testosterone levels differed in patients with various diagnoses, suggesting its diagnostic relevance for diseases such as prostate malignancy.

In this report, two cases of melanocytic matricoma, a rare benign hair follicle lesion that mimics melanoma and basal cell carcinoma, were described and successfully treated with complete surgical excision. Histological analysis was crucial for differentiation from similar malignant lesions.

The document concludes that rib-sparing techniques in breast reconstruction have limited benefits, sentinel lymph node biopsy is needed for desmoplastic melanoma, certain hair preservation methods improve graft survival, partial turbinectomy effectively reduces nasal obstruction, nipple shields with irrigation may reduce capsular contracture, and thicker malignant melanomas have a higher risk of non-skin cancers.

The document concludes that rib-sparing techniques in breast reconstruction have limited benefits, sentinel lymph node biopsy is needed for desmoplastic melanoma, certain hair preservation methods improve graft survival, partial turbinectomy effectively reduces nasal obstruction, nipple shields with irrigation may reduce capsular contracture, and thicker malignant melanomas have a higher risk of non-skin cancers.

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 review discusses various prostate cancer prevention strategies and reports no new clinical results; the authors highlight the need for ongoing research in this area.

This review examines nonmalignant skin toxicities from immunosuppressive and transplant-related medications, emphasizing the need for effective identification and management by care providers; it presents no new research findings.

This meta-analysis reported that dietary intake of omega-3 or omega-6 fatty acids does not significantly impact prostate cancer risk.

The authors report a rare case of trichilemmal carcinoma in the thigh of a 71-year-old, emphasizing the importance of complete surgical excision to prevent recurrence and support patient prognosis.

In this case report, a 65-year-old man's neck lesion was initially misdiagnosed as benign but later identified as trichilemmal carcinoma, with the authors recommending Mohs Micrographic Surgery as the preferred treatment option for this rare condition.

This article reviews the characteristics and diagnostic criteria of tricholemmoma and tricholemmal carcinoma, detailing their clinical presentations and associations but reports no new clinical findings.

In this case study, researchers observed that steroidogenesis from adrenal androgens in prostate cancer tissues may explain progression in a 74-year-old man with low circulating testosterone.

This study reports that while primary treatment for uveal melanoma has a very high success rate, treating distant metastases, particularly in the liver, remains challenging. Tebentafusp, dependent on HLA-A expression, is the first drug to extend patient survival.

This review details the skin and hematological toxicities of tyrosine kinase inhibitors like erlotinib, gefitinib, and imatinib, and highlights ongoing concerns about cardiac toxicity, reporting no new clinical findings.

This case report illustrates the diagnostic challenges and importance of early detection in primary vitreoretinal lymphoma, highlighting a successful treatment outcome with systemic chemotherapy in preventing CNS progression.

In this study, researchers found that Hispanic/Latino patients in the USA were diagnosed with melanoma at younger ages and at more advanced stages than non-Hispanic/Latino Whites, which contributed to lower melanoma-specific survival rates among Hispanics/Latinos.

This review examines the patent literature on AKR1C3 inhibitors and suggests that although numerous potent inhibitors exist, further preclinical optimization is necessary before assessing their therapeutic potential in human diseases.

This review highlights GA-mediated nanoparticles for liver-targeting drug delivery in liver cancer treatment and reports no new clinical results.

This report describes a 33-year-old woman who developed alopecia neoplastica due to gastric adenocarcinoma, highlighting the role of tumor invasion in hair follicle atrophy.

This review summarizes the clinical, dermoscopic, and histopathological features of keratoacanthoma and discusses treatment strategies, emphasizing dermoscopy's role in diagnosis and individualized treatment planning.

This chapter classifies various benign skin tumors and discusses their characteristics, treatment indications, and potential for recurrence, but reports no new clinical findings.