1. 
   banana sign
   a flattened and curved, bananalike shape of the cerebellar hemispheres seen in axial section in sonography of the fetal skull; a sign of the Arnold-Chiari deformity.
   Found op http://www.encyclo.co.uk/local/21001
   
   
2. 
   Banana Sign
   An abnormal curvatue of the back portion of the fetal brain (cerebellum). The condition is observed during an ultrasound and is a sign of spina bifida. Broader term(s): Spina Bifida
   Found op http://www.pregnology.com/AZ/B/1
   
   
3. 
   banana sign
   Type: Term Definitions: 1. the abnormal curvature of the cerebellum noted on ultrasound imaging in a fetus with Arnold-Chiari malformation.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=81816
   
   

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