Primary effusion lymphoma

Primary effusion lymphoma manifests in the pleural, pericardial, or peritoneal cavities in the body and lacks identifiable lymphoma masses. The pleural cavities are the spaces between the lungs and the lining that covers them, called the pleura.

^ primary effusion lymphoma at Dorland's Medical Dictionary
^ Cesarman E, Chang Y, Moore PS, Said JW, Knowles DM (May 1995). "Kaposi's sarcoma-associated herpesvirus-like DNA sequences in AIDS-related body-cavity-based lymphomas". N. Engl. J.

Primary effusion lymphoma. This very aggressive form of lymphoma most often occurs in people with the human immunodeficiency virus (HIV, the virus that causes autoimmune deficiency syndrome or AIDS), otherwise immunocompromised, or elderly.

Primary effusion lymphoma
Primary effusion lymphoma presents exclusively or mainly in the pleural, pericardial, or abdominal cavities in the absence of an identifiable tumor mass.

primary effusion lymphoma A rare, aggressive (fast-growing) type of B-cell non-Hodgkin's lymphoma marked by an abnormal build-up of fluids in a body cavity.

Primary effusion lymphoma
Type of lymphoma affecting people with HIV. Prognosis is poor - likely to have needs.
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Primary effusion lymphoma presents exclusively or mainly in the pleural, pericardial, or abdominal cavities in the absence of an identifiable tumor mass.

: Clinical features and outcome of primary effusion lymphoma in HIV-infected patients: a single-institution study. J Clin Oncol 21 (21): 3948-54, 2003.
Nador RG, Cesarman E, Chadburn A, et al.

type 8 (HHV-8): Human herpesvirus type 8 (HHV-8) is a type of herpes virus responsible for diseases such as Kaposi's sarcoma (KS), lymphoproliferative disorders (condition of too many white blood cells produced), primary effusion lymphoma (PEL), ...

Human herpesvirus 8: Kaposi's sarcoma, primary effusion lymphomas, and multicentric Castleman disease (a lymphoproliferative disorder)
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DLBCL can occur in lymph nodes or in organs outside of the lymphatic system. DLBCL includes several subtypes such as mediastinal large B-cell lymphoma, intravascular large B-cell lymphoma, and primary effusion lymphoma.

Primary effusion lymphomas, also called body cavity-based lymphomas (BCBL). This type of NHL is relatively rare, but seems to be related to infection by human herpesvirus 8 (HHV-8) in addition to HIV.

See also: Fusion, Lymphoma, Cancer, AIDS, HIV