Introduction: The etiology of higher than expected occurrence of lymphoproliferative neoplasms (LPN) and renal cell carcinoma (RCC) in the same patient has not yet been clarified. Several explanations for this co-occurrence have been postulated: prior cytotoxic treatment, viral infections, immunomodulatory effects of tumor itself and shared genetic and/or environmental factors.
Case Report: Medical records of 680 consecutive patients with LPN and 570 consecutive patients with RCC diagnosed between January 1997 and December 2011 in two centers were retrospectively analyzed. Co-occurrence of both diseases was registered in five of the patients (3 males, 2 females) and their demographic, clinical and pathological characteristics were presented.
Conclusion: Synchronous occurrence of LPN neoplasms and RCC or a short latent period between the diagnoses of these two malignancies in the same patient, as well as the lack of cytotoxic treatment for firstly occurring neoplasm implies a possible common pathobiology of both diseases.
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http://dx.doi.org/10.2298/vsp140323054c | DOI Listing |
Rinsho Ketsueki
January 2025
Department of Hematology, Kochi Medical School Hospital, Kochi University.
Primary hepatic lymphoma (PHL) is a lymphoproliferative disorder confined to the liver, with no evidence of lymphomatous involvement in other organs. Here, we report a case of diffuse large B-cell lymphoma (DLBCL)-type PHL in a patient with a long history of primary biliary cholangitis (PBC) and Sjögren's syndrome (SS). A 78-year-old woman presented with epigastralgia and was found to have a solitary liver tumor by contrast-enhanced computed tomography (CT).
View Article and Find Full Text PDFViruses
November 2024
State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan 430072, China.
Kaposi's sarcoma-associated herpesvirus (KSHV), a γ-herpesvirus, is predominantly associated with Kaposi's sarcoma (KS) as well as two lymphoproliferative disorders: primary effusion lymphoma (PEL) and multicentric Castleman disease (MCD). Like other herpesviruses, KSHV employs two distinct life cycles: latency and lytic replication. To establish a lifelong persistent infection, KSHV has evolved various strategies to manipulate the epigenetic machinery of the host.
View Article and Find Full Text PDFIntern Med
January 2025
Department of Hematology & Oncology, Graduate School of Medicine, The University of Tokyo, Japan.
Methotrexate-associated lymphoproliferative disorder (MTX-LPD) constitutes a subset of lymphoid proliferations and lymphomas that are associated with immune deficiency and dysregulation. The clinical management of MTX-LPDs is contingent on their histopathological subtypes. Polatuzumab vedotin is a novel therapeutic approach that is particularly beneficial for selecting patients with previously untreated diffuse large B-cell lymphoma (DLBCL); however, DLBCL-type MTX-LPD is still treated with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) because of the exclusion of MTX-LPD from clinical trials.
View Article and Find Full Text PDFEur J Ophthalmol
January 2025
Liverpool University Hospitals NHS Foundation Trust, University of Liverpool, Liverpool, UK.
This study aimed to describe a case series of patients diagnosed with orbital reactive lymphoid hyperplasia (RLH) at a single tertiary care centre. A retrospective review was conducted by searching electronic medical records at Liverpool University NHS Foundation Trust (LUHFT) from 1 December 2021 - 1 December 2023, to identify all patients with a histological diagnosis. Ten patients with an orbital histological diagnosis of RLH were identified.
View Article and Find Full Text PDFInt J Surg Case Rep
January 2025
Department of Pathology, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India. Electronic address:
Introduction And Importance: Solitary extramedullary plasmacytoma (SEP) is a rare plasma cell neoplasm, constituting around 3 % of plasma cell malignancies. SEP typically presents as a single tumor, either in bone or soft tissue, without systemic disease, and is often misdiagnosed due to its nonspecific symptoms. Diagnosis requires biopsy and extensive imaging studies to exclude multiple myeloma and other malignancies.
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