The "banana sign", is one of the many a notable fruit inspired signs. It is seen on axial imaging through the posterior fossa of fetus as a sign of a Chiari II malformation. It describes the way the cerebellum is wrapped tightly around the brain stem as a result of spinal cord tethering and downward migration of posterior fossa content. The cisterns magna gets obliterated. The shape of the cerebellum has appearance of a banana
The same condition also give the lemon sign.
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- 2. Weissleder R, Wittenberg J, Harisinghani MM et-al. Primer of Diagnostic Imaging, Expert Consult- Online and Print. Mosby Inc. (2011) ISBN:0323065384. Read it at Google Books - Find it at Amazon
Synonyms & Alternative Spellings
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