3.Epidemiology ▣】in2,OO0 newborns suffer from hydrocephalus. Over 30,000 hydrocephalus babies born each year in China mainland. More than 50%cases were congenital previously but acquired are becoming predominant currently Death rates have decreased from 54%to 5%, intellectual disability has decreased from 62%to 30%
3.Epidemiology ▪ 1 in 2,000 newborns suffer from hydrocephalus. ▪ Over 30,000 hydrocephalus babies born each year in China mainland. ▪ More than 50% cases were congenital previously, but acquired are becoming predominant currently. ▪ Death rates have decreased from 54% to 5%; intellectual disability has decreased from 62% to 30%
Ventricles and Cerebrospinal Fluid Circulation 脑室系统及脑脊液循环
" Ventricles and Cerebrospinal Fluid Circulation 脑室系统及脑脊液循环
1.Ventricles (脑室系统) Lateral Ventricles Third Ventricle Aqueduct of Sylvius Pons Foramen of Medulla oblongata Monro Cerebellum Spinal cord- Fourth (Reprinted with permisslon by the Ventricle A Late Hydrocephalus ior View Association, San Franclsco,CA)
1.Ventricles（脑室系统） A Lateral View Anterior View
2.Cerebrospinal Fluid Circulation Arachnoid granulations choroid plexus Lateral Lateral Monro Third Fourth Lateral aperture Arachnoid Median aperture granulations subarachnoid space 矢状位
2. Cerebrospinal Fluid Circulation 矢状位 Lateral Lateral subarachnoid space Arachnoid Median aperture granulations Lateral aperture Monro Third Aqueduct of Sylvius choroid plexus Fourth Arachnoid granulations
III.Pathogenesis and Classification
Ⅲ. Pathogenesis and Classification