نتایج جستجو برای: malignant lymphoproliferative
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The neoplasms of the Parpharyngeal Space (PPS) are rare 0.5%-1% all head and neck tumors [1]. PPS is an inverted cone-shaped region that extends from skull base to hyoid bone. A complex structure called tensor-vascular-styloid fascia, divides into prestyloid poststyloid compartments. can be involved by four different types neoplastic lesions: Primary (benign or malignant), metastatic lymph node...
Tissues from patients thought to have Epstein-Barr virus (EBV)-induced lymphoproliferative diseases were probed for EBV genomes using 2 independent hybridization techniques. Tissues from six patients with the X-linked lymphoproliferative syndrome, all five renal allograft recipients with immunoblastic sarcoma, and eight patients with diverse types of immunodeficiency and lymphoproliferative dis...
Lymphoproliferative disorders are a very heterogeneous group of neoplastic diseases, which originate from malignant transformation of cells of the lymphoid system. Within broad limits, they include at least four main types of diseases: Hodgkin’s disease, the socalled non-Hodgkin’s lymphomas, the chronic lymphoid leukemias and the neoplasms of mature B antibody-producing cells, such as Waldenstr...
Lymphoproliferative disorders are rarely observed as primary lesions in the lung, representing only 0.3% of all primary pulmonary malignancies, ,1% of all the cases of non-Hodgkin lymphoma and 3–4% of all the extra nodal manifestations of non-Hodgkin lymphoma. The earliest comprehensive studies of pulmonary lymphomas were those of SALTZSTEIN [1] and PAPIOANNOU and WATSON [2], which were publish...
Epstein-Barr virus (EBV) is a ubiquitous human gamma-herpesvirus that infects about 95% of the adult population. The majority of primary infections occurs in early childhood and is generally subclinical; it can cause infectious mononucleosis (IM), which is usually a self-limiting lymphoproliferative disorder. However, infection of EBV occasionally results in severe, often lethal diseases, which...
We investigated sensitivity, specificity, positive predictive value, negative predictive value and accuracy of 18F-fluorodeoxyglucose-positron emission tomography in 170 cases with suspected or biopsy-proven posttransplant lymphoproliferative disorder. All solid organ and hematopoietic stem cell transplant recipients who underwent an 18F-fluorodeoxyglucose-positron emission tomography scan betw...
Molecular pathologic testing plays an important role for the diagnosis, prognostication and decision of treatment strategy in lymphoproliferative disease. Here, we briefly review the molecular tests currently used for lymphoproliferative disease and those which will be implicated in clinical practice in the near future. Specifically, this guideline addresses the clonality test for B- and T-cell...
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