منابع مشابه
Mediastinal Gray Zone Lymphoma.
A 50-year-old male presented with cough and breathlessness. A positron emissoin tomography scan revealed FDG (Fluorodeoxyglucose) avid mediastinal mass. Tru-cut biopsy showed fibrotic stromal tissue with cellular infiltrate consisting of abnormal lymphoid cells and few large cells with smudged nucleus. Immunohistochemistry revealed diffuse positivity with CD20, focal positivity for CD30 and rar...
متن کاملMediastinal gray zone lymphoma.
Introduction The current classification of lymphoid neoplasms is based on the integrated utilization of morphological, immunohistochemical, genetic and clinical criteria to define disease entities, which putatively have their origin in a “normal counterpart” in the immune system. The application of modern immunophenotypic and molecular genetic techniques in routine diagnosis has made it possibl...
متن کاملTwo cases of mediastinal gray zone lymphoma.
Mediastinal gray zone lymphoma (MGZL) represents a range of tumors possessing characteristics of both nodular sclerosis classical Hodgkin lymphoma (NSHL) and mediastinal large B-cell lymphoma (MLBCL). Here we report two patients with MGZL. Patient 1 was a 30-year-old woman and patient 2 was a 22-year-old man. Both patients had a mediastinal mass, were initially diagnosed with NSHL and exhibited...
متن کاملA prospective study of mediastinal gray-zone lymphoma.
Mediastinal B-cell lymphomas present in the mediastinum and are most frequent in young patients. Nodular sclerosis Hodgkin lymphoma (NSHL) and primary mediastinal B-cell lymphoma (PMBL) are the common types, whereas mediastinal gray-zone lymphoma (MGZL) is extremely rare and has pathological features intermediate between NSHL and PMBL. The indeterminate pathobiology of MGZL has led to uncertain...
متن کاملPrimary mediastinal B-cell lymphoma and mediastinal gray zone lymphoma: do they require a unique therapeutic approach?
Primary mediastinal B-cell lymphoma (PMBL) is a subtype of diffuse large B-cell lymphoma (DLBCL) that is putatively derived from a thymic B cell. Accounting for up to 10% of cases of DLBCL, this subtype predominantly affects women in the third and fourth decades of life. Its clinical and molecular characteristics are distinct from other subtypes of DLBCL and, in fact, closely resemble those of ...
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ژورنال
عنوان ژورنال: Haematologica
سال: 2011
ISSN: 0390-6078,1592-8721
DOI: 10.3324/haematol.2011.043026