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Arnold Chiari Malformation Liew Boon Seng 20 SEPTEMBER 2006 Continuous Medical Education Department of Neurosurgery, Hospital Kuala Lumpur
Chiari Malformation ,[object Object],[object Object]
Chiari Malformation ,[object Object],[object Object],[object Object]
Classification of Chiari Malformation ,[object Object],[object Object],[object Object],[object Object]
Type I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Signs of Chiari I malformation ,[object Object],[object Object],[object Object]
Type II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Type III ,[object Object],[object Object],[object Object]
Type IV ,[object Object],[object Object]
Diagnosis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Posterior Fossa Decompression ,[object Object],[object Object],[object Object],[object Object]
Posterior Fossa Decompression ,[object Object],[object Object],[object Object],[object Object]
Posterior Fossa Decompression ,[object Object],[object Object],[object Object]
Teo C, Parker EC, Aureli S, et al: The Chiari II Malformation: a surgical series.  Pediatr Neurosurg 27: 223–229, 1997 ,[object Object],[object Object]
Posterior Fossa Decompression ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Position of Surgery :  suboccipital approaches ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Incision ,[object Object],[object Object],[object Object]
Craniotomy or craneictomy ,[object Object],[object Object],[object Object],[object Object],[object Object]
Dura Opening ,[object Object],[object Object],[object Object],[object Object]
Decompression : Resection of arachnoid adhesions ,[object Object]
Removal of inferior tonsils ,[object Object],[object Object]
Opening of the obex ,[object Object],[object Object],*Gardner WJ: Hydrodynamic mechanism of syringomyelia: its relationship to myelocele.  J Neurol Neurosurg Psychiatry 28: 247–259, 1965
Opening of the obex ,[object Object],[object Object]
Syrinx decompression ,[object Object],[object Object],[object Object],[object Object],1Feldstein NA, Choudhri TF: Management of Chiari I malformations with holocord syringohydromyelia.  Pediatr Neurosurg 31: 143–149, 1999 2Munshi I, Frim D, Stine-Reyes R, et al: Effects of posterior fossa decompression with and without duraplasty on Chiari malformation-associated hydromyelia.  Neurosurgery 46:  1384–1390, 2000
Dura Closure of the Posterior Fossa ,[object Object],[object Object]
Closure of the craniotomy ,[object Object]
Fascial and skin closure ,[object Object],[object Object]
Position of Surgery : CSF Diversion Procedures ,[object Object],[object Object]
Early Postoperative Care ,[object Object],[object Object],[object Object],[object Object]
Late Postoperative Care ,[object Object],[object Object]
Complications Related to Conservative Surgery (Persistent Compression) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Recurrent symptoms post-operation ,[object Object],[object Object],[object Object],[object Object]
Complications of Surgery ,[object Object],[object Object],[object Object],[object Object],[object Object]
Outcome and Follow-up ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Outcome and Follow-up ,[object Object],[object Object],[object Object],[object Object]
Algorithm For Symptomatic Chiari I Malformation
Algorithm For Asymptomatic Chiari I Malformation
Algorithm For Symptomatic Chiari II Malformation
Algorithm For Asymptomatic Chiari II Malformation
Thank You

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