Reason: Chiari 1 malformation-assess for syrinx, CT outside images-PLEASE DO CSF FLOW STUDY History: back pain, headache CSF flow study demonstrates normal biphasic flow at the level of foramen magnumThe cervical vertebral bodies are appropriate in overall alignment and height. The cervical spinal cord has normal signal characteristics and overall morphology. The cerebellar tonsils appear to be mildly low lying extending approximately 3 mm below the level of foramen magnum.At C2-3 there is no significant compromise to the spinal canal or neural foramina.At C3-4 there is no significant compromise to the spinal canal or neural foramina.At C4-5 there is no significant compromise to the spinal canal or neural foramina.At C5-6 there is no significant compromise to the spinal canal or neural foramina.At C6-7 there is no significant compromise to the spinal canal or neural foramina.At C7-T1 there is no significant compromise to the spinal canal or neural foramina.The vertebral artery flow voids appear to be intact.
1.The cerebellar tonsils are low lying.2.CSF flow study is within normal limits.