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http://dx.doi.org/10.2169/internalmedicine.45.1883 | DOI Listing |
Endocr Pathol
January 2025
Department of Pathology, Istanbul Faculty of Medicine, Istanbul University, Millet Caddesi, Fatih, Istanbul, 34093, Turkey.
Merkel cell carcinoma (MCC) is diagnosed through histopathological and immunohistochemical examination of biopsies from skin or other organs. Its distinguishing features include perinuclear dot-like staining with Cytokeratin 20 (CK20) and detection of Merkel cell polyomavirus (MCPyV) using various methods. However, CK20 and MCPyV negative MCC cases have been reported at varying rates.
View Article and Find Full Text PDFArch Dermatol Res
January 2025
Department of Dermatology, Medical College of Wisconsin, 8701 W. Watertown Plank Road, Milwaukee, WI, 53226, USA.
High-risk cutaneous squamous cell carcinoma (hr-cSCC) tumors exhibit aggressive behavior, leading to local recurrence, metastasis, and mortality. The management of hr-cSCC tumors is not well-defined. To clarify the impact of clinical risk factors and management strategies on disease-related outcomes (DROs) in patients with hr-cSCCs.
View Article and Find Full Text PDFLaryngoscope
January 2025
Chris O'Brien Lifehouse, Sydney Head and Neck Cancer Institute, Sydney, Australia.
Background: Regional metastasis occurs in 5% of cutaneous squamous cell carcinoma (cSCC). The aim of this study is to assess the impact of margin status of regional metastases on survival.
Methods: A retrospective review of 401 patients with nodal metastases from cSCC.
Am J Surg Pathol
January 2025
Department of Pathology, Health Research Institute-Fundación Jímenez Diaz University Hospital. Universidad Autónoma de Madrid (IIS-FJD, UAM).
Angioimmunoblastic T-cell lymphoma (AITL) is an aggressive malignancy that frequently presents with extranodal involvement. Cutaneous tropism is clinically and histopathologically variable, which may pose a diagnostic challenge. We conducted a retrospective analysis of 40 samples of 20 cases of cutaneous AITL, focusing on the clinicopathologic and molecular correlations between skin and lymph node (LN) samples.
View Article and Find Full Text PDFPediatr Dermatol
January 2025
Department of Dermatology of Hospital, Universitario Virgen de Valme, Sevilla, Spain.
Background/objectives: Anaplastic large cell lymphomas (ALCLs) present unique challenges due to their clinical and genetic heterogeneity. This study investigated the clinical characteristics of children diagnosed with systemic ALCL.
Methods: Retrospective data from 14 pediatric patients diagnosed with systemic ALCL at Valme University Hospital were studied.
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