The pathology of the small intestine in human schistosomiasis mansoni in the Sudan.

Peroral small intestinal biopsies were obtained from 17 patients with Schistosoma mansoni infection and 13 control subjects. There was no difference between the dissecting microscopic appearances of patients and controls. The histological sections of patients showed significant shortening and broadening of villi compared to controls. There was no significant difference in the cellularity of the Lamina propria between patients and controls except that patients had significantly more eosinophils. The biopsies from the control subjects showed appearances of tropical enteropathy.