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Table 2 The mechanism of the spinal canal cysts by different authors

From: Classification, mechanism and surgical treatments for spinal canal cysts

Author

Year

Journal

Main mechanism of the cyst

Number of cases

Special point

Maiuri F

2006

J Neurol Neurosurg Psychiatry

Valve mechanism

1

arachnoid cyst

Tarlov IM

1970

Journal of Neurology, Neurosurgery & Psychiatry

Pulsatile hydrostatic pressure

7

Perineurial cysts

Sun JJ

2013

Plos One

Upright walking

56

congenital weakness

Kim DS

2014

Journal of Korean Neurosurgical Society

direct trauma or hyperextension resulting in spinal cord or nerve root damage

1

synovial cysts

Chan AP

2010

J Orthop Surg Res

microtrauma due to increased motion at a particular motion segment or segmental instability

3

ligamentum flavum cysts

Asamoto S e

2013

Acta Neurochirurgica

check-valve mechanism

10

sacral meningeal cysts

Aydin S

2010

European Spine Journal

acute degeneration with formation of reactive pseudomembrane

5

discal cysts

Arnold PM

2009

J Spinal Cord Med

developmental abnormalities of central nervous system

1

Neurenteric cysts