Table 2.

Summary of the current case and reviewed literature regarding symptomatic spinal pseudocysts causing delayed neurological deterioration

Author/Year	Patient Age/Sex	Diagnosis (TOLF/OPLL)	Onset Time (Days post-op)	Mechanism	Treatment (Drainage vs. Revision)	Outcome	Ref
Current Case	55 / F	OPLL T2–4 + OLF T5–6	9 days	Ball-valve + Tension Pseudocyst	Bedside Drainage	Recovery	-
Wada (2024)	73 / F	Thoracic Tumor	60 days	Ball-valve	Revision Surgery	Recovery	[13]
Macki (2014)	57 / F	Thoracic Stenosis T10-11	60 days	Pseudomeningocele	Revision Surgery (Primary Repair)	Recovery	[12]
Weng (2010)	Series (n = 11)	Cervical Herniation	mean 50.6 days	Giant Pseudomeningocele	Revision Surgery+ subarachnoid drainage	Recovery	[14]
Enke (2018)	64 / F	Lumbar Stenosis	30 days	Giant Pseudomeningocele	Revision Surgery+ Prolonged Drainage	Recovery	[10]
Helle (1981)	48 / M	Cervical Disc	21 days	Ball-valve	Surgical Excision	Recovery	[11]
Bauerle (2024)	Series (n = 108)	Spine Surgery	Intraoperative	Incidental Durotomy	Subfascial Passive Bile Bag Drainage	Recovery	[15]
Jang (2023)	Series (n = 14)	Cervical OPLL	Intraoperative	Intraoperative CSF Leak	Pump-Regulated Continuous Lumbar Drainage	Recovery	[16]
Lenschow (2022)	Series (n = 17)	Intradural Spinal Surgery	Early post-op	Planned Durotomy	Epidural drainage + Early mobilization	Recovery	[17]
Ropper (2018)	Series (n = 12)	Extradural Spinal Tumor	Intraoperative	Intraoperative Durotomy	Closed Subfascial Gravity Drainage	Recovery	[18]

Abbreviations: TOLF Thoracic ossification of the ligamentum flavum, F Female, M Male, CSF Cerebrospinal fluid

The table highlights the onset time of delayed myelopathy and the comparison of management strategies. While revision surgery (e.g., primary repair, fat graft) is the most common treatment reported in the literature, the current case demonstrates successful resolution using a minimally invasive bedside drainage technique