We have encountered a case of malignant lymphoma of the stomach in which a complete remission was confirmed in a resected specimen after chemotherapy. A 75-year-old woman complained of vomiting blood. A biopsy from gastric endoscopy indicated malignant lymphoma of diffuse large B-cell type. The patient was assumed to be inoperable due to enlargement of the tumor and lymph node metastasis, and THP-COP chemotherapy was carried out. After four courses of the THP-COP regimen, endoscopic examination revealed a significant tumor reduction. Total gastrectomy and splenectomy with lymph node dissection (D2) were performed after chemotherapy. No tumor cells were detected in any sections of the specimen or regional lymph nodes.
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Indian J Dermatol Venereol Leprol
January 2025
Department of Nuclear Medicine, Army Hospital Research and Referral, New Delhi, India.
Cutaneous T-cell lymphomas (CTCL) are a heterogeneous group of extranodal non-Hodgkin's lymphomas characterised by a cutaneous infiltration of malignant monoclonal T lymphocytes. While this broad spectrum of disease with its varied etiopathogenesis, clinical features and management options are well characterised, an approach from a dermatologist's perspective is lacking in the literature. We strive to elucidate the approach from a clinician's point of view, especially in respect of clinical examination, investigations, staging and management options that are available in the realm of the dermatologists.
View Article and Find Full Text PDFViruses
December 2024
Division of Virology, ICMR-National Institute of Translational Virology and AIDS Research, Pune 411026, MH, India.
Epstein-Barr virus (EBV) and Kaposi's sarcoma-associated herpesvirus (KSHV), which are the only members of the gamma(γ) herpesviruses, are oncogenic viruses that significantly contribute to the development of various human cancers, such as Burkitt's lymphoma, nasopharyngeal carcinoma, Hodgkin's lymphoma, Kaposi's sarcoma, and primary effusion lymphoma. Oncogenesis triggered by γ-herpesviruses involves complex interactions between viral genetics, host cellular mechanisms, and immune evasion strategies. At the genetic level, crucial viral oncogenes participate in the disruption of cell signaling, leading to uncontrolled proliferation and inhibition of apoptosis.
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December 2024
Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, OR 97006, USA.
Lymphocryptoviruses (LCVs) are ubiquitous gamma-herpesviruses that establish life-long infections in both humans and non-human primates (NHPs). In immunocompromised hosts, LCV infections are commonly associated with B cell disorders and malignancies such as lymphoma. In this study, we evaluated simian LCV-encoded small microRNAs (miRNAs) present in lymphoblastoid cell lines (LCLs) derived from a Mauritian cynomolgus macaque () with cyLCV-associated post-transplant lymphoproliferative disease (PTLD) as well as the viral miRNAs expressed in a baboon () LCL that harbors CeHV12.
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 PDFVaccines (Basel)
December 2024
Section of Pediatric Oncology and Cellular Therapy, Department of Pediatrics, Alberta Children's Hospital, University of Calgary, Calgary, AB T2N 1N4, Canada.
Vaccine hesitancy among immunocompromised patients is complex and not well understood. This study aimed to determine the rate of COVID-19 vaccine hesitancy among pediatric oncology and bone marrow transplant (BMT) patients and to understand associated factors. : Parents of patients (≤18 years) with cancer or post-BMT completed the Parent Attitudes about Childhood Vaccines Survey.
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