Journal
REVISTA DO INSTITUTO DE MEDICINA TROPICAL DE SAO PAULO
Volume 50, Issue 2, Pages 117-119Publisher
INST MEDICINA TROPICAL SAO PAULO
DOI: 10.1590/S0036-46652008000200010
Keywords
schistosomiasis; ultrasonography; periportal fibrosis; plan of control
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This study was undertaken ill the municipality of Bananal, Sao Paulo, an endemic area for schistosomiasis with a prevalence under 10% and low parasite load among infected individuals. Our objective was to identify the clinical forms of schistosomiasis among 109 patients in whom the disease had been diagnosed through direct fecal analysis and who had been medicated with oxamniquine at the time of the Plan for the Intensification of Schistosomiasis Control Actions (1998-2000). These patients were submitted to all abdominal uhrasonography and fecal analysis by Kato-Katz method, four years, 011 average, after the end of the Plan. Five patients, whose abdominal ultrasound images were compatible with either peripheral or central periportal fibrosis and portal hypertension, were identified. None of the 109 patients presented Schistosoma mansoni eggs at fecal analysis. Ultrasonography is a sensitive. noninvasive diagnostic method that allows a better identification of the extent of liver involvement in schistosomiasis cases.
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