Spina bifida, lumbar Alaattin Kacar, MD, Melike Yildirim, MD, Gulin Okan, MD, Faruk Dincsahin, MD, Jale Gurluler, MD Article Published: Jan 29, 2007 Jimer Bursa Turkey This is a case of lumbar meningomyelocele at 15 weeks. Note the "lemon" and "banana" signs. Images 1, 2. "Banana sign" (left) and "lemon sign" (right). Images 3, 4. Coronal plane through lumbar spine showing rachischisis with widening of the interpeduncular distance (left) and sagittal plane of the spine (right). Â Discussion Board Start a discussion about this article Add bookmark Bookmarked