Remember Arnold Chiari Type 2 by one of its manifestations that is=
"SMALL FOSSA"
S= Small Posterior Fossa
M= Meningomylocele
A= Abnormal development of Cerebellar Vermis
L= Less common in frequency than type1 Arnold Chiari
L= Less likely to be asymptomatic compared to type 1
F= Faulty Craniospinal junction
F= Fourth ventricle dilatation
O= Obstructive Hydrocephalous
S= Syringomyelia
A= Abnormal development of Medulla
"SMALL FOSSA"
S= Small Posterior Fossa
M= Meningomylocele
A= Abnormal development of Cerebellar Vermis
L= Less common in frequency than type1 Arnold Chiari
L= Less likely to be asymptomatic compared to type 1
F= Faulty Craniospinal junction
F= Fourth ventricle dilatation
O= Obstructive Hydrocephalous
S= Syringomyelia
A= Abnormal development of Medulla