Enteric duplication cysts in children: are their ultrasonographic wall characteristics diagnostic?

We reviewed eight cases of gastrointestinal duplication cysts to determine whether the combination of an echogenic inner mucosal layer and hypoechoic outer muscular layer could be seen consistently enough to be of diagnostic value. We compared our findings to those seen in twenty-seven other abdominal cysts and conclude that when identified together, the two layers are highly suggestive, if not completely diagnostic of enteric duplication cysts.