How common is gall stones in children?

Extremely rare : Symtomatic gallbladder disease is extremely rare, in medicine we never say never, but in 20 years of pediatrics practice I have never seen this in an 8 year old without significant congenital underlying anatomic GI disorder. That said, as a med student in Kentucky, during trauma rotation, I felt a gallbladder full of stones in a teen who was opened for exploration after car wreck. Poor diet...