title: A child with chronic abdominal pain and leg weakness.
mesh_terms: D000005:Abdomen; D002675:Child, Preschool; D002908:Chronic Disease; D003937:Diagnosis, Differential; D006801:Humans; D007866:Leg; D008297:Male; D009436:Neural Tube Defects / Q000473:pathology*; D010146:Pain / Q000209:etiology; D013116:Spinal Cord / Q000473:pathology*