Chest X-ray is recommended to assess other features of Klippel-Feil syndrome: e.g. Sprengel's deformity, omovertebral bone. An ultrasound abdomen to assess possible associated renal anomalies
This study shows a Chiari I malformation classified as stage 3 due hydrosyringomyelia.
Two or more non-segmented cervical vertebrae are usually sufficient for diagnosis of Klippel-Feil syndrome. This case corresponds to type II.