This study describes epidemiologic, etiologic and evaluative aspects of Pleurisy pneumology department of Point "G". From 1st January 1998 to 31 December 2002 was realised a study about hospitalized patients in the department. Pleurisy represented 15; 9% of hospitalizations. The sex Ratio was 2,3 en for men aged of 41 years 55 of pleurisy were located on right. In 60% of cases the liquid was sero-fibrin, purulent in 25% of cases and haemorrhagic in 15%. Tuberculosis was the most frequent etiology with 37% of cases. According to liquid aspect tuberculosis represented 54, 3% of sero-fibrin pleurisy in one hand, on the other 60% of haemorrhagic pleurisy was due to cancer. The serology HIV have been realised on 89 patients and it was positive on 56% of cases. Association pleurisy/HIV tuberculosis etiology represented 56% of cases. Among 369 patients we have counted 100 deaths, 27% and 86% of these death occurred before a month of hospitalization. Even if the prevalence of neoplastic pleurisy increases, tuberculosis still the 1st etiology of pleurisy. It co-infection with HIV is the principal cause of morbidity and mortality.