Linfoma primario de cavidades asociado a infección por VIH: características clínico-biológicas en tres pacientes diagnosticados en un mismo centro
2004
Primary effusion lymphoma (PEL) is a recently individualized form of non-Hodgkin lymphoma (WHO classification) that mainly develops in HIV infected males, more frequently in homosexuals and advanced stages of the disease (total CD4+ lymphocyte count below 100-200/μL). Occasionally, it appears in others immunodepressive states (such as solid organs postransplant period) and even, although very rarelly, in immunocompetents patients. From a pathogenetic point of view, PEL has been related to Kaposi's sarcoma-associated herpes virus (also named human herpesvirus 8) and to the clinical antecedent of Kaposi's sarcoma. Relative unfrequency of this disease, the absence of wide casuistics allowing a better characterization, and its unfavorable outcome, support the need of a deeper knowledge. We present here the clinical-biological findings of three patients that were diagnosed of pleural PEL in our institution in the last two years.
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