[Alveolar echinococcosis of the liver. Mass ultrasound screening in the Haut Cantal area].
OBJECTIVE
Mass systematic screening for alveolar echinococcosis (AE) of the liver in the Haut Cantal endemic area.


METHODS
Targeted population was composed of the members of the Mutualité Sociale Agricole of the area, from 16 to 65 years old. 2077 notifications were sent, corresponding to 20% of the population of this area, defined by a triangle between Egliseneuve d'Entraigues, Riom ès Montagne and Saint Flour. Two screening tests were performed: Elisa serology test and liver ultrasound examination.


RESULTS
Participation levels were relatively low-ultrasound: 18.92%, serology: 17%. Among 350 liver examinations, 2 suspicions of AE were found: CT and serology confirmed the diagnosis in the first symptomatic patient; CT and biopsy confirmed the diagnosis in the other asymptomatic patient in whom serology was normal.


CONCLUSIONS
Ultrasound screening showed at least a 0.57% prevalence of AE, i.e., 2 cases out of 350. This low rate however confirms that Haut Cantal is an endemic area, but with a lower incidence rate than in other endemic areas.
D000293:Adolescent; D000328:Adult; D000368:Aged; D015766:Albendazole / Q000008:administration & dosage / Q000627:therapeutic use; D000818:Animals; D000909:Antibodies, Helminth / Q000032:analysis; D003430:Cross-Sectional Studies; D004444:Echinococcosis, Hepatic / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000188:drug therapy / Q000453:epidemiology* / Q000517:prevention & control / Q000601:surgery; D004446:Echinococcus / Q000276:immunology; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D005602:France / Q000453:epidemiology; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D012424:Rural Population; D014463:Ultrasonography
D000909:Antibodies, Helminth; D015766:Albendazole
Echinococcose alvéolaire hépatique. Dépistage échographique de masse dans le haut cantal.