RESULTS

S. stercoralis larvae were found in six patients (5.7%), as detected by the original and modified versions of the BM. Five were detected in the ACP, and only in two samples the larvae were observed in stool smears (Table). Other parasites found in the fecal smears of these patients included Endolimax nana (16%), Giardia duodenalis (7.5%), Entamoeba coli (6.6%), and E. histolytica/dyspar (4.7%). Also, one case of each of the following parasites was found: hookworm, Hymenolepis nana and E. hartmannii, representing a prevalence of 0.9%, respectively.

Thirty two out of 106 patients (30%) were found to have at least one kind of intestinal nematode or protozoan. Some of these intestinal parasites were detected only by our proposed modification of the BM, as in five out of the twelve cases of E. nana diagnosed, and the three cases of E. histolytica. Cysts of E. hartmannii and G. duodenalis from one patient were detected only by fecal smears.

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