The clinical presentation of visceral leishmaniasis, or kala-azar, is variable but usually includes fever, severe cachexia, lymphadenopathy and hepatosplenomegaly. In immunocompromised patients the clinical course of the disease is even less specific and the diagnosis is often made by means of incidental detection of the parasites at atypical sites such as the gastrointestinal tract, peripheral blood, lungs and cerebrospinal fluid. We describe a case of pericardial leishmaniasis in an HIV-infected patient.
Spontaneous meningitis due to gram-negative bacilli (excluding Hemophilus influenzae) is an infrequent infection in adult patients. It usually occurs in patients with underlying immunosuppressive conditions. Most of the cases are due to Escherichia coli and represent a complication of bacteraemia. The infection has a high mortality rate which may be as high as 90%, especially if associated with septicaemia. We report the case of a 53-y-old man with spontaneous, community-acquired Escherichia coli meningitis who was admitted with an unusual presentation. Blood and urine cultures were negative.
Yersinia enterocolitica is a well-known cause of enterocolitis. Although focal extraintestinal manifestations and disseminated disease have been described, usually in immunosuppressed patients, infection in the chest seems to be rare. We report the case of an alcoholic man who had spontaneous pleural empyema due to Y. enterocolitica.
The heterozygous state of the sickle cell trait is not known to be a cause of fetal death. This is a report of disseminated placental infarcts associated with thiamine deficiency in a patient with the sickle cell trait. This pathological association suggests an original physiopathological process.
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