Urinary schistosomiasis, a disease caused by the digenean trematode Schistosoma haematobium, has been implicated in the development of vesical calculi.
Urinary Schistosomiasis (caused by Schistosoma haematobium) - a major cause for hematuria in many African and Middle-Eastern countries;
In a 2006 study of the prevalence of Urinary schistosomiasis, a chronic parasitic disease caused by the trematode worm Schistosoma haematobium, Umuagwo was the only town in the LGA that had no cases of infection.