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Serum concentrations of carcinoembryonic antigen (CEA) were measured in 43 consecutive patients with HIV-related Pneumocystis carinii pneumonia (PCP). The subjects were divided into 2 groups according to the severity of the PCP:PaO2 in ambient air (AA) less than or equal to 50 mmHg on admission (n = 22, group 1) and PaO2 greater than 50 mmHg (n = 21, group 2). In addition, 57 HIV patients with either non-PCP pulmonary diseases (n = 34, group 3) or extrapulmonary disease (n = 23, group 4) were studied. Mean CEA levels (ng/ml) were 13 +/- 10 in group 1 and 4.9 +/- 5.5 in group 2 (p less than 0.001). The corresponding values in groups 3 and 4 were much lower (2.7 +/- 1.8 and 2.4 +/- 1.8, respectively). In group 1, mean initial CEA levels were higher (p less than 0.001) in the patients who died (n = 6; 23.5 +/- 11) than in the survivors (n = 16; 8.9 +/- 7), although the initial mean PaO2 were identical (39 +/- 7 and 39 +/- 8 mmHg, respectively) and the initial mean LDH levels were not significantly different (1544 +/- 530 and 1200 +/- 457 IU/l). CEA levels fell during specific anti-PCP therapy associated with corticosteroids but returned to normal only in the survivors. We conclude that CEA levels are increased in patients with PCP and acute respiratory distress. Among the patients with PaO2 levels of less than or equal to 50 mmHg before treatment, only high levels of CEA (greater than 20 ng/ml) were associated with a fatal outcome, regardless of anti-PCP therapy associated with corticosteroids.(ABSTRACT TRUNCATED AT 250 WORDS)

Mycotic pulmonary aneurysm is an infrequently diagnosed complication of endocarditis. We report here a case of mycotic pulmonary aneurysm and a review of 25 cases from the literature. The mortality rate is greater than 50%. Prompt diagnosis is necessary because early intrasaccular embolization and/or surgical repair is essential to avoid death from rupture of the aneurysm.

Clinical and biological pitfalls that lead to incorrect or delayed diagnoses of airport malaria are described based on 7 cases reported from the Paris region in the summer of 1994. We also report the outcome and the epidemiological features of these patients.

Disseminated infection by Fusarium is being increasingly reported in immunocompromised patients. We report the first case of Fusarium oxysporum disseminated infection with well-documented fungal myocarditis. Despite antifungal therapy and hematologic recovery, the patient died in cardiogenic shock, myocardial involvement clearly contributing to the fatal outcome.

During a 10-yr period, 40 cases of severe Listeria monocytogenes meningitis were observed. All patients showed consciousness disturbances and 27 of them (68%) focal neurologic signs. Cranial nerve palsies were common (57%). Early general seizures (13 patients) and presence of underlying disease (12 patients) were associated with a high mortality rate. Although the management of antibiotic therapy is open for discussion, chloramphenicol (used in 7 patients) seems to be more effective than other drugs.