Magnetic Resonance Imaging of the Lumbosacral Spine in Children with Chronic Constipation or Non-Retentive Fecal Incontinence: A Prospective Study

MRI showed LSS abnormalities in 3% of patients with defecation disorders and normal neurologic examination, all of whom reported symptom relief at the 12-week follow-up without neurosurgical intervention. Thus, whether or not LSS abnormalities play a role in defecation disorders remains unclear.