[Ultrasonographic evaluation of Schistosoma mansoni morbidity: comparison of Cairo/WHO and Managil-Hannover classifications].

A ultrasonographical survey of morbidity in schistosomiasis mansoni was carried out in two villages of an endemic area of Madagascar. Using the Managil-Hannover classification, the overall prevalence of morbidity in the first village was of 49.4% and of 39.4% in the second one, while modified Cairo/WHO classification found 9.1% and 1.9% respectively. Thus, results given by the two classifications for a same individual are often discordant. This discrepancy is essentially observed in the lower stage of morbidity while advanced cases are generally well-staged by either of these two methods. These differences in the sonographical assessment of morbidity related to hepatosplenic schistosomiasis make it necessary to continue investigations in order to establish a classification that will have the agreement of everybody.