A Symptomatic Spinal Extradural Arachnoid Cyst with Lumbar Disc Herniation

Table 1

Summary of published reports of lumbar epidural arachnoid cysts (EACs). The clinical outcomes are categorized into 3 groups: complete, good, and fair.

Author	Year	Patient	Levels	Symptoms	Approach	Cyst removal	Disc hernia	Result
Ido et al. [10]	2002	24 f	L1-2	Back pain, legs’ pain	Transforaminal approach	Total	None	Complete
Chang et al. [11]	2004	12 f	L1-2, two cysts	Paraparesis	Limited laminectomy	Total	None	Complete
Durmaz et al. [12]	2009	39 m	L2-3 Lt foramen	Low back pain, radiating lt foot	L2 + L3 hemilaminectomy	Total	None	Complete
Oh et al. [13]	2012	42 m	L1-2, L3-4	Paraparesis, back pain, legs’ pain	Laminoplasty	Total	None	Complete
Oh et al. [13]	2012	26 m	L1-2	Paraparesis, back pain,	Laminectomy	Total	None	Good
Tomii et al. [14]	2013	55 f	L1-2	Numbness of both legs and urinary incontinence	Laminoplasty	Total	None	Fair