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1.
Acta gastroenterol. latinoam ; 34(3): 133-137, 2004. ilus
Article in Spanish | LILACS | ID: lil-420475

ABSTRACT

Cyclospora spp. is a protozoan parasite responsible for significant gastrointestinal disease in patients infected with the human immunodeficiency virus. We report the clinical features of two patients with chronic diarrhea and intestinal cyclosporosis caused by Cyclospora cayetanensis. The average value for CD4 count in these patients was lower than or equal to 100 cells/mm3. The oocysts were detected in smears from stool samples stained with modified acid-fast or safranin technique. Light microscopy revealed parasites in the enterocytes and these parasites were associated with villous atrophy. Cyclospora cayetanensis infection might be an important cause of diarrhea in patients with AIDS in Argentina.


Subject(s)
Humans , Animals , Male , Adult , Acquired Immunodeficiency Syndrome/parasitology , Cyclospora/isolation & purification , Cyclosporiasis/complications , Diarrhea/parasitology , Chronic Disease , Cyclosporiasis/diagnosis , Feces/parasitology
2.
Acta gastroenterol. latinoam ; 30(1): 47-51, mar. 2000. ilus
Article in Spanish | LILACS | ID: lil-262237

ABSTRACT

Enterocytozoon bieneusi es el microsporidio que más comúnmente ha sido identificado en pacientes con SIDA. En este trabajo, se describen las manifestaciones clínicas de un paciente con diarrea crónica, pancreatitis y colangitis esclerosante asociada con SIDA. Los estudios por imágenes, con ultrasonografía y colangiopancreatografia retrógrada endoscópica, revelaron alteraciones en la vía biliar intra-y extrahepática, idénticas a las observadas en colangitis esclerosante. Se detectó Enterocytozoon bieneusi en duodeno y duodeno peripapilar por microscopia óptica y se confirmó por la reación en cadena de la polimerasa (PCR) utilizando primers específicos en muestras incluidas en parafina. La infección con microsporidios se debería sospechar en nuestro país en pacientes con inmunodeficiencia severa y colangitis esclerosante asociada con SIDA.


Subject(s)
Humans , Male , Adult , AIDS-Related Opportunistic Infections/parasitology , Cholangitis, Sclerosing/parasitology , Microsporida/isolation & purification , Microsporidiosis/complications , AIDS-Related Opportunistic Infections/diagnosis , Cholangiopancreatography, Endoscopic Retrograde , Cholangitis, Sclerosing/diagnosis , DNA Primers/analysis , Fatal Outcome , Microsporidiosis/diagnosis , Polymerase Chain Reaction
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