Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UNIPROT:Q06643 (non-Hodgkin's lymphoma)
 11,307 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A real-time polymerase chain reaction assay for quantitation of Epstein-Barr virus (EBV) DNA in serum was developed. This assay detected EBV DNA in 24 (89%) of 27 sera from patients with infectious mononucleosis, but only in 9 (18%) of 51 sera from EBV carriers (P < 0.001) and in none of the sera from 32 EBV-seronegative individuals. EBV DNA levels were higher in sera from infectious mononucleosis (median 8,000, range 1833-150,069 copies/ml) than from carriers (median < 2, range < 2-2980; P < 0.001). In sera of 36 children with infectious mononucleosis followed prospectively, EBV DNA levels correlated inversely with the duration of symptoms. Among 18 children with tumors including Hodgkin's disease (n = 7), non-Hodgkin's lymphoma (n = 6), Burkitt's lymphoma (n = 1), lymphoproliferative disorder (n = 4), and osteosarcoma (n = 1), EBV DNA was detected in serum from those 9 (100%) expressing EBV in the tumor (Hodgkin's disease, 3; non-Hodgkin's lymphoma, 2; lymphoproliferative disorder, 4), the levels peaking at diagnosis and correlating with disease activity. Quantitation of EBV DNA in serum may offer a simple means of monitoring patients at risk of EBV-associated lymphoproliferation.
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PMID:Dynamics of Epstein-Barr virus DNA levels in serum during EBV-associated disease. 1146 36

Acute viral lymphadenitis, especially infectious mononucleosis (IM), often shows the presence of Reed-Sternberg-like cells, resulting in confusion with Hodgkin's disease. However, acute viral lymphadenitis requiring differential diagnosis from non-Hodgkin's lymphoma is not widely recognized. We describe the clinicopathological and immunohistochemical features of lymph node lesions from nine such patients which pose serious problems of differential diagnosis from low-grade peripheral T-cell lymphoma. There were three males and six females with ages ranging from 21 to 44 years (median 25 years). All patients had "B" symptoms and multicentric lymphadenopathy. The clinical course was also self-limiting. Each lymph node specimen showed an obvious expansion of an interfollicular area by pleomorphic and polymorphous infiltration with an increased number of arborizing postcapillary venules. The infiltrate was composed of variable numbers of small and medium-sized lymphocytes, immunoblasts, plasma cells in various stage of maturation and occasional granulocytes. The small lymphocytes usually had regular round nuclei, whereas the medium-sized lymphocytes occasionally showed nuclear pleomorphism. Hyperreactivity of B-lymphocytes, including hyperplastic germinal centers and/or foci of monocytoid B-cells, was seen in parts of the lesion. The majority of the interfollicular T-lymphocytes, including T-immunoblasts, expressed CD8 antigen. Various numbers of TIA-1-positive small and medium-sized T-cells were observed in the paracortical area. Despite these findings, the overall histological picture of this series posed serious difficulties when differentially diagnosing this condition from low-grade peripheral T-cell lymphomas such as angioimmunoblastic T-cell (AILD) and T-zone types, indicating that viral lymphadenitis occasionally presents with histological features of AILD and T-zone lymphomas. To avoid overdiagnosis and overtreatment, we emphasize the need to pay careful attention to the clinical and laboratory findings as well as the morphological features.
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PMID:Acute viral lymphadenitis mimicking low-grade peripheral T-cell lymphoma. A clinicopathological study of nine cases. 1150 73

Epstein-Barr (EBV) virus is a member of the human herpesvirus family. EBV is the etiologic agent of acute infectious mononucleosis and is closely associated with the genesis of Burkitt's lymphoma and undifferentiated nasopharyngeal carcinoma. EBV is also implicated in a variety of other diseases, such as X-linked lymphoproliferative syndrome, T-cell non-Hodgkin's lymphoma, Hodgkin's disease, and NK-cell granular lymphoproliferative disorder. Recently, lymphoepithelial carcinoma of the stomach, gastric carcinoma, pyothorax-associated lymphoma, and smooth muscle tumors were also recognized as EBV-associated diseases. It is therefore important to review the genetics and immunological response of EBV infection. In this review we summarize the genetics of EBV, immunological responses and clinical findings of EBV-associated diseases, which would help us to understand the pathophysiology of EBV-associated disease and develop specific treatments.
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PMID:Genetics of Epstein-Barr virus infection. 1166 99

Posttransplant lymphoproliferative disorder (PTLD), a well recognized complication of organ transplantation, comprises a wide spectrum of heterogeneous lymphoid proliferations ranging from self-limiting mononucleosis through aggressive monoclonal non-Hodgkin's lymphoma (NHL). There has been marginal success in treating PTLD using a number of treatment modalities, including combination chemotherapy. There have been few reports of the use of high dose chemotherapy with stem cell rescue as a treatment for PTLD. We report a renal allograft recipient who developed PTLD of the diffuse large cleaved B cell, NHL type. Reduction of immunosuppression was initially effective, however the patient relapsed, and was treated successfully with CHOP chemotherapy. Two years later he again relapsed and was treated with high dose melphalan followed by autologous peripheral blood stem cell transplantation (PSCT). The patient has remained in complete remission for 4 years with no major organ toxicities and a functioning renal allograft on minimal immunosuppression. This case illustrates a potential role for high dose chemotherapy with stem cell transplantation for the treatment of PTLD.
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PMID:Successful treatment of posttransplant lymphoproliferative disorder in a renal transplant patient by autologous peripheral blood stem cell transplantation. 1261 36

Post-transplant lymphoproliferative disorder (PTLD) represents a spectrum of Epstein-Barr virus-related (EBV) clinical diseases, from a benign mononucleosis-like illness to a fulminant non-Hodgkin's lymphoma. In the setting of hematopoietic stem cell transplantation, PTLD is an often-fatal complication occurring relatively early after transplant. Risk factors for the development of PTLD are well established, and include HLA-mismatching, T-cell depletion, and the use of antilymphocyte antibodies as conditioning or treatment of graft-versus-host disease. Early recognition of PTLD is particularly important in the SCT setting, because PTLD in these patients tends to be rapidly progressive. Familiarity with the clinical features of PTLD and a heightened level of suspicion are critical for making the diagnosis. Surveillance techniques with EBV antibody titers and/or polymerase chain reaction (PCR) may have a role in some high-risk settings. Immune-based therapies such as monoclonal anti-B-cell antibodies, interferon-alpha, and EBV-specific donor T cells, either as treatment for PTLD or as prophylaxis in high-risk patients, represent promising new directions in the treatment of this disease.
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PMID:Post-transplant lymphoproliferative disorder: a review. 1262 74

The activation antigen CD30 (Ki-1) which is expressed by the lymphocytes T and B is related to the "nerve growth factor" (NFGR) like the receptor of the "tumor necrosis factor" (TNF) and is expressed in the group of large-cell anaplastic lymphoma (ACLC) and Hodgkin's lymphoma and in non-Hodgkin's lymphoma and within the T cells of infectious Mononucleosis. We describe a case of a 18 year-old who contracted Acute Infectious Mononucleosis showing lateral cervical lympho adenopathy. The histologic examination was suggestive for a large-cell anaplastic lymphoma with the antigen CD30, expressed by severa atypical immunoblasts. The remarkable immunoblastic proliferation with Reed-Sternberg-like cells, in milieu polymorphous inflammatory cells present in the course of Infectious Mononucleosis, can simulate large cell anaplastic lymphoma, as well as Hodgkins disease and non-Hodgkins lymphoma. The diagnosis for Infectious Mononucleosis is usually clinical and serological but in cases of cervical lymphnode biopsy a differential diagnosis must be done with positive lymphoma CD30. The criteria to differentiate histologically the Infectious Mononucleosis with large cell anaplastic lymphoma and non-Hodgkin s lymphoma are discussed. Finally, the relationship between Infectious Mononucleosis and lymphoproliferative disease Epstein-Barr virus related is examined.
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PMID:[CD30 (ki-1) antigen expression in acute infectious mononucleosis] 1273 Jun 48

Peritoneal effusion appears to be an unusual complication of infectious mononucleosis (IM). The cytological features of peritoneal effusion from a patient affected by IM are presented. The patient was a 21-year-old Japanese woman, with typical and physical findings of IM. Ascites disappeared with resolution of acute IM. The cytospin smears of the ascitic fluid were highly cellular, consisting exclusively of lymphoid cells. Lymphoid cells were composed of large cells with broad basophilic cytoplasm, as well as of small to medium-sized cells having scant cytoplasm and irregularly shaped nuclei. The overall cytomorphological pictures posed serious difficulties in differentiating this condition from those of peripheral T-cell lymphomas manifesting ascites. The majority of atypical lymphocytes, including large cells, expressed CD3 and CD8. The present case indicates that IM should be added to the list of lesions considered for the differential diagnosis of non-Hodgkin's lymphoma of the peritoneal fluid, particularly regarding young adults.
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PMID:Atypical lymphocytosis resembling non-Hodgkin's lymphoma in peritoneal effusion of infectious mononucleosis: a case report. 1515 50

Hodgkin's lymphoma is a unique neoplasm of B lymphocytes. Recent data provide new understandings of the pathogenesis and options for staging and therapy of the disease. Three specific topics are addressed in this chapter. In Section I, Dr. Richard Ambinder reviews implications of the relationship of Epstein-Barr virus (EBV) and Hodgkin's lymphoma. This relation includes varying geographic epidemiologic associations, including varying associations with the clinical syndrome of infectious mononucleosis. There are plausible mechanisms, including processes initiated by viral proteins, by which EBV might lead to tumorigenesis. These mechanisms include promotion of genetic instability and alteration of normal processes of apoptosis. In addition to an epidemiologic association and potential role in pathogenesis, viral antigens may pose theoretical targets for anti-cancer therapies, including vaccination. In Section II, Dr. Sigrid Stroobants describes the potential role of positron emission tomographic (PET) scanning. By assessing differences in the metabolic activities of cancer cells, PET scanning may be superior to computerized tomographic scanning, which is limited to showing structural anatomical abnormalities. In patients with Hodgkin's and non-Hodgkin's lymphoma, PET scanning has been tested as an initial staging tool, to assess the rate of therapeutic response from a prognostic perspective, and to differentiate residual tumor from fibrotic masses in patients who have completed therapy. Particularly in assessing the nature of a residual mass seen with other post-therapeutic imaging modalities, PET scanning may provide unique information; very high negative predictive values have been reported. However, before this technology can be recommended for incorporation into standard management, properly conducted prospective trials are required to better evaluate the clinical utility of PET with respect to eventual patient outcomes. In Section III, Dr. Ralph Meyer reviews current data regarding the management of patients with limited-stage Hodgkin's lymphoma. Over the past decade, standard treatment has evolved to consist of combined-modality therapy that includes an abbreviated course of chemotherapy and involved-field radiation. As this therapy continues to include radiation therapy, patients will remain at risk of long-term toxicities that include the development of second cancers and cardiovascular events. These "late-effects" now account for more deaths than those attributed to progressive Hodgkin's lymphoma. Comparative data testing the role of chemotherapy alone are now available and demonstrate that omission of radiation therapy results in small but statistically significant reduction in disease control, but no detectable differences in overall survival. Further follow-up will clarify whether chemotherapy alone is the preferred treatment option; at present patients should be informed of the trade-offs involved in choosing between this option and combined modality therapy.
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PMID:Hodgkin's lymphoma: evolving concepts with implications for practice. 1556 83

Diagnostics of the HIV Infection The clinical picture of an acute HIV infection resembles that of mononucleosis with lymphadenopathy, fatigue and fever. In this phase, the infection can be diagnosed with certainty only through direct virus detection. During the subsequent latent phase, recurring or serious progressive skin manifestations from different illnesses, prominent candidiasis of the oral cavity and community acquired pneumonia frequently occur. Ulcerations in atypical locations of the gastrointestinal tract could also indicate an HIV infection. For cases of clear lymphopenia, an HIV infection should be definitely considered. Above all, the presence of non-Hodgkin's lymphoma is characteristic of the complete clinical picture of AIDS. An appropriate diagnostic test (antibody test or detection of HIV) is urgently indicated in situations that carry a high risk for HIV transmission. This applies, above all, to patients whose partner is HIV positive, to patients who frequently change sex partners, to prostitutes and to intravenous drug users.
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PMID:[Diagnostics of the HIV infection]. 1638 61

Post-transplant lymphoproliferative disease (PTLD) is a well recognized complication of solid organ transplantation and therapeutic immunosuppression, first reported in 1968. PTLD incorporates a spectrum of abnormalities ranging from a benign infectious mononucleosis-like illness to non-Hodgkin's lymphoma with nodal and extranodal site involvement. The first liver transplant was performed at our institution in January 1982. This retrospective study examined the incidence of PTLD, reason for the original transplants, presenting symptoms, radiological findings, immunosuppression regimens and outcomes of these patients. From a total of 2005 adult liver transplants, 23 patients (1.1%) were identified with PTLD. The average age of these patients at the time of transplant was 46.5 years, with a ratio of female-to-male of 14:9. Indication for transplant ranged from primary biliary cirrhosis (eight patients) to epitheloid haemangioendothelioma (one patient). The average time interval between transplant and diagnosis of PTLD was 50 months. Imaging abnormalities identified included generalized lymphadenopathy, liver and portal masses, splenic enlargement, bowel, eye, cerebral and neck involvement; and in two patients, no radiological abnormality. The most common histological findings ranged from B-cell non-Hodgkin's lymphoma (five patients) to early PTLD in one patient. Our rate of PTLD is lower compared with published literature and demonstrates a much longer time interval from transplant to occurrence of PTLD than previously appreciated. This could be secondary to a low immunosuppression therapy followed at our institution. From a few months to several years after liver transplantation, the radiologist needs to be alert to the possibility of PTLD and thorough imaging is required to detect the wide variety of potential presentations.
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PMID:Post-transplant lymphoproliferative disease in liver transplantation. 1739 99


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