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[Intracranial mesenchymal tumors with FET::CREB fusion: a clinicopathological analysis of six cases].
Zhonghua Bing Li Xue Za Zhi
January 2025
Department of Pathology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou450052, China.
To investigate the clinicopathological and molecular genetic characteristics of intracranial mesenchymal tumors with FET::CREB fusion transcript. The clinical and imaging data of 6 cases of intracranial mesenchymal tumors with FET::CREB fusion from December 2018 to December 2023 were collected at the First Affiliated Hospital of Zhengzhou University. Their histological features, immunophenotype and molecular characteristics were analyzed.
View Article and Find Full Text PDFRare Cutaneous Primary Presentation of Extracavitary Primary Effusion Lymphoma.
Am J Dermatopathol
January 2025
Department of Dermatology, Columbia University Medical Center, New York, NY; and.
Primary effusion lymphoma (PEL) is a rare and aggressive B-cell lymphoma typically associated with human herpesvirus 8 (HHV-8) and Epstein-Barr virus infections. It classically presents as a malignant effusion in body cavities, but rarely presents with an extracavitary variant characterized by solid tumors in lymph nodes or extranodal sites such as the gastrointestinal tract, skin, lungs, and nervous system. This case report describes an unusual presentation of primary cutaneous extracavitary PEL in an HIV-positive patient that has only been reported in 8 cases previously.
View Article and Find Full Text PDFRecent progress in pathological understanding of adult T-cell leukemia/lymphoma in the new classification era.
Leuk Res
December 2024
Laboratory of Hemato-Immunology, Graduate School of Health Sciences, University of the Ryukyus, Nishihara, Japan.
Article Synopsis
- Adult T-cell leukemia/lymphoma (ATLL) is a type of cancer linked to HTLV-1 virus infection, with the WHO's new 5th Edition classification outlining essential and desirable diagnostic criteria for its identification.
- A new diagnostic method combining HBZ-ISH and tax-PCR enhances detection of HTLV-1 in cases where only preserved tissue samples are available, alongside traditional Southern blot techniques.
- The review addresses the morphological and phenotypic characteristics of ATLL, noting the prevalence of certain phenotypes, genetic abnormalities, and emphasizing the need for further research and classification in understanding the disease's complex nature.
Case report: Non-invasive cyto-salivary sampling and biomarker detection via ELISA versus histopathology for diagnosing oral potentially malignant disorders - Insights from a case-control study.
Front Immunol
December 2024
Department of Experimental Medicine (DIMES), University of Genoa, Genoa, Italy.
Oral leukoplakia is classified among oral potentially malignant disorders (OPMDs) by the World Health Organization (WHO). The visual oral examination (VOE) is the most used method for identifying lesions in their early stages. Given that the diagnosis of oral cancer is often late, there is an urgent need for early detection and examination of oral lesions.
View Article and Find Full Text PDFReappraisal of soft tissue myoepithelial tumors by DNA methylation profiling reveals an epigenetically distinct group of mostly fusion-driven neoplasms.
Virchows Arch
December 2024
Department of Pathology, MS 250, St. Jude Children's Research Hospital, 262 Danny Thomas Pl, Memphis, TN, 38105, USA.
Soft tissue myoepithelial tumors (METs) are diagnostically challenging tumors that require careful histologic and immunohistochemical characterization for accurate classification. Nearly half of METs show recurrent EWSR1 or FUS gene rearrangements with a diverse set of fusion partners. The diversity of fusion partners and lack of known driver abnormalities in many cases raises the question of whether METs represent a uniformly distinct tumor entity.
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