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What is the associated finding with Chiari type 1.5?
Posterior angulation of the odontoid process, hydrocephalus, crowded small posterior fossa, syringohydromyelia, and scoliosis.
Overcrowding of posterior cranial fossa, tonsillar herniation, caudal displacement of the medulla and posterior angulation of the odontoid process.
No hydrocephalus or syringohydromyelia.