Referring to the posterior fossa cranioectomy and tonsillar resection in order to treat Chiari I malformation with syringomyelia.
D001139:Arnold-Chiari Malformation / Q000601:surgery*; D002531:Cerebellum / Q000601:surgery; D002557:Cerebrospinal Fluid Shunts; D003388:Cranial Fossa, Posterior / Q000601:surgery; D003399:Craniotomy / Q000379:methods*; D006801:Humans; D013595:Syringomyelia / Q000601:surgery*