 Redemonstrated is cerebellar ectopia descending to the level of the C1 posterior arch with an abnormal pointed morphology, effacing adjacent posterior CSF spaces. CSF flow analysis demonstrates a small flash of biphasic flow just distal to the tonsillar tips.Alignment is anatomic. There are no fractures or subluxations. There are no osseous dysplasias. The marrow signal is benign. The cord is normal in signal without evidence of syrinx. The conus is normal in signal and morphology and terminates at appropriate level, L1. There are no MRI findings suspicious for cord tethering.There is bilateral atelectasis, presumably secondary to the patient's sedated status.
1.Chiari 1 malformation without syrinx2.There is bilateral atelectasis, presumably secondary to the patient's sedated status.