The document discusses biliary dyskinesia in children, which is a disturbance in the coordination of contractions in the biliary ducts that can cause pain in the upper right quadrant of the abdomen. It notes that biliary dyskinesia has various potential causes including neuro-circulatory dysfunction, viral hepatitis, genetic factors, and gastrointestinal issues. The document also covers pathogenesis, diagnosis, and potential treatment options which can include laparoscopic cholecystectomy, proton pump inhibitors, osteopathic treatment, and magnesium and enzyme supplements.