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Background: Angioimmunoblastic T-cell lymphoma (AITL) is a distinct subtype of peripheral T-cell lymphoma (PTCL) and accounts for 2% of all non-Hodgkin lymphomas. Its typical characteristics include an aggressive course, progressive lymphadenopathy, hepatosplenomegaly, systemic symptoms, anemia, hypergammaglobulinemia, and generally poor prognosis.
Methods: We describe a rare case in which the left inguinal lymph node was completely excised and biopsied one year ago.
ALK-positive large B-cell lymphoma: A study of six cases from an oncopathology center in North India.
Indian J Pathol Microbiol
January 2025
Department of Oncopathology, Mahamana Pandit Madan Mohan Malaviya Cancer Centre and Homi Bhabha Cancer Hospital, Varanasi, Uttar Pradesh, India.
ALK-positive large B-cell lymphoma (ALK+ LBCL) is a rare neoplasm with an aggressive course and poor therapeutic response to the standard R-CHOP regimen. Owing to its negativity for usual B- and T-cell markers and immunopositivity for epithelial markers, it can be easily misdiagnosed if it is not contemplated. To study the clinicopathological parameters of cases of ALK+ LBCL diagnosed at our institution.
View Article and Find Full Text PDFSingle-cell transcriptomic and spatial analysis reveal the immunosuppressive microenvironment in relapsed/refractory angioimmunoblastic T-cell lymphoma.
Blood Cancer J
December 2024
Lymphoma Center, Department of Hematology, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
Angioimmunoblastic T-cell lymphoma (AITL) is a kind of aggressive T-cell lymphoma with significant enrichment of non-malignant tumor microenvironment (TME) cells. However, the complexity of TME in AITL progression is poorly understood. We performed single-cell RNA-Seq (scRNA-seq) and imaging mass cytometry (IMC) analysis to compare the cellular composition and spatial architecture between relapsed/refractory AITL (RR-AITL) and newly diagnosed AITL (ND-AITL).
View Article and Find Full Text PDFDouble-Hit Diffuse Large B-Cell Lymphoma in AIDS.
Cureus
November 2024
Internal Medicine, Sri Ramachandra Medical College, Sri Ramachandra Institute of Higher Education and Research, Chennai, IND.
Diffuse large B-cell lymphoma (DLBCL) is the most common type of immunoblastic lymphoma associated with AIDS, with the stomach being the most frequent extranodal site of involvement. Despite the widespread use of combined antiretroviral therapy (cART), the incidence of systemic lymphomas remains relatively high. These lymphomas often present in the early stages of AIDS as high-grade malignancies.
View Article and Find Full Text PDFThe Spectrum of B-cell and Plasma Cell Proliferations in Nodal T Follicular Helper Cell Lymphomas.
Am J Surg Pathol
December 2024
Department of Hematopathology, The University of Texas MD Anderson Cancer Center.
B-cell and plasma cell proliferations are frequently observed in nodal T follicular helper (nTfh) cell lymphomas and can present a diagnostic challenge. These proliferations can be monotypic or monoclonal and morphologically resemble lymphoma or plasmacytoma, but their clinical behavior is poorly defined. In this study, we reviewed 414 cases of nTfh lymphoma seen over the past decade at our institution.
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