Headache caused by craniospinal pressure dissociation in the Arnold-Chiari-syringomyelia syndrome
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Two patients with Arnold-Chiari malformation, associated with syringomyelia, are described. They presented with headache caused by coughing, sneezing and straining. The pathogenesis and diagnosis are discussed. The treatment of this condition consists in a fossa posterior decompression, in some cases followed by a syringoperitoneal or a syringosubarachnoid shunt.
Key wordsHeadache Arnold-Chiari malformation Syringomyelia
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