Spina bifida, lumbar Anupama Patil, MD Article Published: Jun 26, 2002 www.thefetus.net/ Bangalore, India This third trimester has a extensive lumbar spina bifida aperta, extending from the last thoracic segment to the lower lumbar region. These are the axial sections with ultrasound. Â Â Â Longitudinal sections. Â Â Â The skull with a "banana sign" Â The X-rays. Â Â The newborn. Â Â Â Â Discussion Board Start a discussion about this article Add bookmark Bookmarked