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Background and Clinical Features of a Unique and Mysterious Autoinflammatory Disease, Schnitzler Syndrome.
Int J Mol Sci
January 2025
Immunology Division, Department of Internal Medicine and Hematology, Semmelweis University, 1088 Budapest, Hungary.
Schnitzler syndrome is a unique autoinflammatory disease, of which 747 cases have been described worldwide to date. The main features of the syndrome are a triad of recurrent urticaria, monoclonal IgM gammopathy, systemic inflammation associated with recurrent fever, joint and bone pain, and atypical bone remodeling (osteosclerosis). The abnormal activation of the NLRP3 inflammasome produces IL-1, which drives the disease pathology, but it also involves IL-6 and IL-18.
View Article and Find Full Text PDFPOLYPHARMACY AND CANCER: А NEW VISION FOR SKIN CANCER PATHOGENESIS-PHOTOTOXICITY AND PHOTOCARCINOGENICITY DUE TO NITROSAMINE CONTAMINATION DURING TELMISARTAN/ TAMSULOSIN INTAKE.
Georgian Med News
November 2024
4Department of Pathology, University of Virginia, Charlottesville, USA.
The toxicokinetics of nitrosamines remain a mystery to this day, though it appears that the role of nitrosamines in potentiating the generation of mutations required for the onset of skin cancer continues to be a significant concern. Nitrosamines are mutagens, genotoxic substances, and mediators of phototoxicity/carcinogenicity, whose long-term daily usage, in the context of polypharmacy, can result in the parallel appearance of heterogeneous forms of skin cancer: keratinocytic and melanocytic. But a number of clinical observations suggest that it is the nitrosamines that potentiate the multiple occurrences of skin cancer over the years, or recurrences of skin cancer localized in areas exposed to solar radiation.
View Article and Find Full Text PDFSquamomelanocytic Tumor, An Entity Still Shrouded in Mystery: Case Report and Literature Review.
Dermatopathology (Basel)
January 2025
Section of Molecular Pathology, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari "Aldo Moro", 70124 Bari, Italy.
Cutaneous squamomelanocytic tumor (SMT) is a very rare cutaneous malignancy, composed of a dual phenotypic population of both malignant melanocytes and keratinocytes, intimately intermingled together. Herein, we report a new case of a SMT occurring in an 82-year-old man, located on the scalp. Histopathology revealed a mixed population consisting of squamous cell carcinoma and melanoma within the same lesion, also confirmed using immunohistochemical staining for high molecular-weight cytokeratins (HMWCKs) and Melan-A.
View Article and Find Full Text PDFA Mysterious Cause of Coagulopathy With Bleeding Diathesis.
Cureus
December 2024
Department of Internal Medicine IV, Hospital Professor Doutor Fernando Fonseca, Amadora, PRT.
Vitamin K is essential to produce functional vitamin K-dependent coagulation factors (prothrombin, factors VII, IX, and X). Vitamin K antagonists inhibit the normal activation of these factors, leading to bleeding manifestations of variable severity. Long-acting vitamin K antagonists or superwarfarins were developed as rodenticides and have a significantly longer half-life and greater potency when compared to warfarin.
View Article and Find Full Text PDFUnveiling the mystery of hepatic epithelioid angiomyolipoma: A unique case report with literature review.
SAGE Open Med Case Rep
January 2025
Department of Hepatobiliary Pancreatic and Splenic Surgery Ward Ⅰ, The Affiliated ChuZhou Hospital of Anhui Medical University (The First People's Hospital of Chuzhou), ChuZhou, China.
Hepatic epithelioid angiomyolipoma is a rare mesenchymal liver tumor within the perivascular epithelioid cell tumor family, known for its uncertain malignancy and potential for aggressive behavior. Clinical presentation, laboratory findings, and imaging results lack specificity, making pathological examination critical for definitive diagnosis. This case report presents a 61-year-old male patient with a single tumor in the right liver lobe, measuring approximately 101 mm × 99 mm.
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