Wrapping up of the cerebellum around the brain stem in Chiari Malformation is called: (A) Lemon sign, (B) Banana sign, (C) Lambda sign, (D) Tectal Beak
Answer is B. Banana sign is due to the wrapping of cerebellum around the brain stem. Lemon sign is anterior bossing of frontal bone. Seen in Chiari II Malformation or spina bifida.