Marwa jaon

The high frequency of toxoplasmosis in a French study18 (26% in 395 autopsies) was attributed to the high prevalence of Toxoplasma gondii infection in France.Zymbiotix In Brazil, the prevalence of Toxoplasma gondii antibodies in general population ranges from 50% to 80%15, which could explain the finding of disseminated disease also affecting the digestive system in patients with AIDS. The differences in rates of the digestive system infection by Toxoplasma gondii may also be attributed to difficult identification of this agent in histological sections, which often requires immunohistochemical techniques. With regard to infection by mycobacteria, acid-fast bacilli were found involving tongue, esophagus and bowel. In literature there is a wide variation in the rate of mycobacterial infection in the digestive system. In a study of 350 autopsies, the authors demonstrated mycobacterial infection affecting the digestive system in 2% of cases10. In India, involvement was found in 14% of 49 autopsied patients22. In these two studies there was a higher rate of infection with M. tuberculosis compared to atypical mycobacteria, in contrast to North American findings, dominated by atypical mycobacterial infection27. Our result is closer to a Brazilian study, in which mycobacterial infection in the digestive system was found in 6.7% of 45 autopsies5. In these two Brazilian studies mycobacterial culture was not performed, and therefore it was not possible to define the specie of bacilli. We have observed other less frequent infections, viral (herpes simplex), fungal (cryptococcosis and paracoccidioidomycosis), parasitic helminth infestation (ascaridiasis, taeniasis and strongyloidiasis) and by protozoa (isosporiasis and cryptosporidiosis).


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