Anal fistulography.
D001003:Anal Canal / Q000473:pathology; D002404:Catheterization; D003973:Diatrizoate; D005401:Fissure in Ano / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D005471:Fluoroscopy; D006801:Humans; D008722:Methods
D003973:Diatrizoate