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Primary mediastinal B-cell lymphoma, abbreviated PMBL or PMBCL, is a rare type of lymphoma that forms in the mediastinum (the space in between the lungs) and predominantly affects young adults. [ 1 ] [ 2 ] [ 3 ]
There is also primary mediastinal B-cell lymphoma with exceptionally good prognosis. [5] [6] [7] Common symptoms of a mediastinal lymphoma of include fever, weight loss, night sweats, and compressive symptoms such as pain, dyspnea, wheezing, Superior vena cava syndrome, pleural effusions. Diagnosis usually by CT showing lobulated mass.
The B-cell lymphomas are types of lymphoma affecting B cells. Lymphomas are "blood cancers" in the lymph nodes . They develop more frequently in older adults and in immunocompromised individuals.
Colors indicate levels of expression; green indicates genes that are underexpressed in lymphoma cells (as compared to normal cells), whereas red indicates genes that are overexpressed in lymphoma cells. B-cell chronic lymphocytic leukemia/small cell lymphoma; 3–4% of lymphomas in adults
Primary mediastinal large B-cell lymphoma (PMBL), also termed primary mediastinal (thymic) large B-cell lymphoma, is a DLBCL in which neoplastic B-cells infiltrates are commonly located in sclerotic/fibrous tissues of the thymus and mediastinal lymph nodes. The disease represents 6–10% of all DLBCL cases, presents with early stage disease in ...
Micrograph of a primary mediastinal large B-cell lymphoma, a cause of mediastinal lymphadenopathy. H&E stain. Mediastinal lymphadenopathy or mediastinal adenopathy is an enlargement of the mediastinal lymph nodes.
Primary mediastinal (thymic) large B-cell lymphoma is a distinct type of diffuse large B-cell lymphoma involving the mediastinum, recognized in the WHO 2008 classification. [1] [2] : 370–374 Signs and symptoms [ edit ]
Superior vena cava syndrome (SVCS), is a group of symptoms caused by obstruction of the superior vena cava ("SVC"), a short, wide vessel carrying circulating blood into the heart. The majority of cases are caused by malignant tumors within the mediastinum , most commonly lung cancer and non-Hodgkin's lymphoma , directly compressing or invading ...