Sacs that get filled with cerebrospinal fluid are called tarlov cysts. The fluid usually has an effect on the nerve roots in the scrum, which is the group of bones located at the base of the spine.

There are several types of spinal cyst, all of which are rare. Tarlov or perineural cysts affect nerve roots, most commonly in the sacral region of the spine. The majority are asymptomatic, but they ...

That’s the distribution of the L5 and S1 nerves. The MRI shows spinal stenosis at this level. Most perineural cysts are incidentally noted by MRI and do not cause symptoms.

Case Report Published: 22 November 2005 Spinal extradural meningeal cyst with spinal stenosis Y Robinson, M Reinke, D Haschtmann, W Ertel & C E Heyde Spinal Cord 44, 457–460 (2006) Cite this article ...

Case Report Published: 22 May 2007 Insidious progression of paraparesis secondary to type III spinal meningeal cyst: a study of six difficult cases T Yayama, S Kobayashi, K Uchida, Y Kokubo, H ...

Of the 18 women who sent images, Komisaruk and co-author Dr. Huey-Jen Lee found that 12 women (66 percent) had Tarlov cysts along the base of the spine.

Tarlov cysts are fluid-filled nerve root cysts found most commonly at the base of the spine. Affecting about 5 % of general population, the condition is more common in women.

2.3 Efficacy 2.3.1 The evidence available is from one case series and three case reports. In a case series of three patients with sacral perineural cysts, two experienced pain relief for up to 3 weeks ...