Ultrasound study of liver disease caused by Schistosoma mansoni in rural Zambian schoolchildren.

Objective: To evaluate the prevalence of Schistosoma mansoni-related liver disease in school-age children who live beside the Zambezi River in the Chitokoloki district, North Western Province, Zambia.

Methods: Liver ultrasounds of school students from the Chitokoloki day school, grades 1-12, were performed. Liver patterns, periportal branch wall thickening and portal hypertension were assessed to evaluate the presence of liver fibrosis due to S.