Extradural spinal arachnoidal cyst

ABSTRACT

A case of congenital extradural spinal archnoidal cyst is reported. This is a rare cause of spinal cord compression and usually presents in adolescence with symptoms of progressive spastic paraparesis. Both spine and prone myelography is recommended in order to demonstrate possible filling and emptying of the cyst with alteration in posture. Surgical removal is associated with a favourable outcome (AU)