| umls-concept:C1292753 | skos:definition | MSH: A rare neoplasm of large B-cells usually presenting as serious effusions without detectable tumor masses. The most common sites of involvement are the pleural, pericardial, and peritoneal cavities. It is associated with HUMAN HERPESVIRUS 8, most often occurring in the setting of immunodeficiency.,NCI: A rare, aggressive (fast-growing) type of B-cell non-Hodgkin lymphoma marked by an abnormal build-up of fluids in a body cavity. It usually occurs together with a human herpesvirus in people who have weakened immune systems, such as in AIDS.,NCI: An aggressive non-Hodgkin B-cell lymphoma composed of large cells, presenting as a serous effusion without detectable tumor masses. It is universally associated with human herpes virus 8 (HHV-8)/Kaposi sarcoma herpes virus (KSHV) [HHV-8/KSHV]. It mostly occurs in the setting of immunodeficiency; most cases have been reported in HIV positive patients. The most common sites of involvement are the pleural, pericardial, and peritoneal cavities. The prognosis is extreme | lld:umls |
