0 Spinal meningeal cysts

MCQ 154

Q. Which of the following is type 2 spinal meningeal cyst ?

a. extradural spinal arachnoid cyst

b. tarlov cyst

c. intradural spinal arachnoid cyst

d. sacral meningocoele

Answer : B - Tarlov cyst = perineural cyst.

Classification of spinal meningeal cysts :
type I : extradural with no neural tissue
a - extradural spinal arachnoid cyst
b - sacral meningocele
type II : extradural with neural tissue eg: tarlov cyst.
type III : intradural spinal arachnoid cyst

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