Cutaneous melanoma is an aggressive form of skin cancer derived from skin melanocytes and is associated with significant morbidity and mortality. A significant fraction of melanomas are associated with precursor lesions, benign clonal proliferations of melanocytes called nevi. Nevi can be either congenital or acquired later in life. Identical oncogenic driver mutations are found in benign nevi and melanoma. While much progress has been made in our understanding of nevus formation and the molecular steps required for transformation of nevi into melanoma, the clinical diagnosis of benign versus malignant lesions remains challenging.
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http://dx.doi.org/10.1016/j.hoc.2024.05.005 | DOI Listing |
Semin Ophthalmol
January 2025
Department of Ophthalmology, Mayo Clinic, Rochester, MN, USA.
Purpose: Standardized data collection is needed to improve research for rare diseases. In this manuscript, we describe our experience establishing the Prospective Ocular Tumor Study (POTS).
Methods: The ongoing POTS captures all patients with an ocular tumor seen on the Ocular Oncology Service at Mayo Clinic Rochester and collects patient demographics, tumor features, treatment, and outcomes.
Dermatologie (Heidelb)
January 2025
MVZ Dermatohistopathologie Heidelberg, Mönchhofstr. 52, 69120, Heidelberg, Deutschland.
Background: The update of the World Health Organisation (WHO) classification of skin tumours has led to new aspects in the classification of melanocytic tumours.
Objectives: Presentation of the classification of melanocytic tumours in light of current clinical, histological and genetic data.
Materials And Methods: Review of the classification of melanocytic neoplasms in the fifth edition of the WHO classification of skin tumours, taking into account current disease concepts.
Dermatologie (Heidelb)
January 2025
Universitäts-Hautklinik Tübingen, Liebermeisterstr. 25, 72076, Tübingen, Deutschland.
The histological diagnosis of pediatric melanocytic tumors is challenging, as benign nevi often resemble aggressive tumors. Accurate diagnosis is crucial for the early detection of rare pediatric melanomas. Recent advancements have established a classification based on genetic backgrounds.
View Article and Find Full Text PDFJ Oral Pathol Med
January 2025
Division of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo, São Paulo, Brazil.
Background: Melanocytic neoplasms are rare in the oral cavity and represent a diagnostic challenge due to the overlap between benign and malignant lesions. However, their pathogenesis is not fully elucidated. The aim of this study was to evaluate the expression of the cell cycle-related proteins p16, CDK4, and PTEN in oral melanocytic nevi and melanomas.
View Article and Find Full Text PDFTelemed J E Health
January 2025
Department of Clinical Sciences, Dermatology and Venereology, Lund Skin Cancer Research Group, Lund University, Lund, Sweden.
Teledermoscopy (TDS) emerges as an efficient tool for diagnosing skin lesions. In Sweden, double reading is the standard of care, but risk factors for misdiagnosis or mismanagement using single reader evaluations (SRE) are not well-studied. This study aimed to assess the accuracy of SRE compared with the gold standard in TDS.
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