Linfoma primario de pulmón en un paciente con sida

Extranodal involvement is common in lymphomas associated with human immunodeficiency virus infection (HIV) and acquired immunodeficiency syndrome (AIDS). However, primary pulmonary AIDS-related non-Hodgkin's lymphoma is very rare and only few reports were published in the medical literature. Clinical presentation is nonspecific, with "B" and respiratory symptoms. Also, patients were with advanced immunodeficiency at the time of diagnosis. Generally, chest radiography showed peripheral nodules or cavitary masses. Primary pulmonary lymphoma associated with AIDS is generally a high-grade B-cell non-Hodgkin lymphoma and Epstein-Barr virus is strongly associated with the pathogenesis of these tumors. We report a patient with AIDS and primary pulmonary lymphoma which clinical presentation was a total atelectasis of the left lung.El compromiso extranodal es frecuente en los linfomas asociados con la enfermedad debida al virus de la inmunodeficiencia humana y su consecuencia, el síndrome de inmunodeficiencia adquirida. Sin embargo, el linfoma pulmonar primario es muy raro y solo existen pocos casos publicados en la literatura. La presentación clínica de esta complicación es inespecífica, con síntomas "B" y manifestaciones respiratorias. Generalmente, la radiografía de tórax muestra nódulos periféricos o masas que pueden cavitarse y los pacientes presentan inmunodeficiencia severa al momento del diagnóstico. El linfoma pulmonar primario asociado con el sida es un tumor de alto grado, de células B y asociado en su patogenia con el virus de Epstein-Barr. Se relata un caso de linfoma primario de pulmón que se presentó bajo la forma radiológica de una atelectasia global del pulmón izquierdo

Lethal leptospiral pulmonary hemorrhage: an emerging disease in Buenos Aires, Argentina

In the Buenos Aires metropolitan area, 40–100 cases of human leptospirosis are reported annually. Occasional epidemic outbreaks have been characterized by mild leptospiral illness. Severe illness with acute renal failure and extensive cutaneous and visceral hemorrhages (always accompanied by jaundice) has been observed only rarely. A review of our data for 1990–1999 showed that 276 human cases were diagnosed; 43 of these were characterized by pneumonia alone or associated with another syndrome. No severe pulmonary hemorrhage due to leptospirosis was detected in these cases (Table), and the case-fatality rate was <1% (1).Facultad de Ciencias Médica

Lethal leptospiral pulmonary hemorrhage: an emerging disease in Buenos Aires, Argentina

In the Buenos Aires metropolitan area, 40–100 cases of human leptospirosis are reported annually. Occasional epidemic outbreaks have been characterized by mild leptospiral illness. Severe illness with acute renal failure and extensive cutaneous and visceral hemorrhages (always accompanied by jaundice) has been observed only rarely. A review of our data for 1990–1999 showed that 276 human cases were diagnosed; 43 of these were characterized by pneumonia alone or associated with another syndrome. No severe pulmonary hemorrhage due to leptospirosis was detected in these cases (Table), and the case-fatality rate was <1% (1).Facultad de Ciencias Médica

Spinal epidural abscess due to Mycobacterium tuberculosis in a patient with AIDS: case report and review of the literature

Spinal epidural abscess (SEA) is a rare infectious disorder that often has delayed diagnosis and is associated with significant morbidity and mortality rates. We present a case of an AIDS patient with a SEA due to Mycobacterium tuberculosis. This type of SEA in AIDS patients is characterized by localized spinal pain and prolonged fever. Magnetic resonance imaging is the method of choice in the diagnostic process. Early diagnosis, followed by specific therapy (surgical decompression combined with antituberculous drugs), is necessary to improve the prognosis of these kinds of patients