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Sacral nerve stimulation. Sacral nerve stimulation, also termed sacral neuromodulation, is a type of medical electrical stimulation therapy. It typically involves the implantation of a programmable stimulator subcutaneously, which delivers low amplitude electrical stimulation via a lead to the sacral nerve, usually accessed via the S3 foramen.
Spina bifida is a type of neural tube defect related to but distinct from other types such as anencephaly and encephalocele. [13] Most cases of spina bifida can be prevented if the mother gets enough folate before and during pregnancy. [3] Adding folic acid to flour has been found to be effective for most women. [14]
Sciatica is pain going down the leg from the lower back. [1] This pain may go down the back, outside, or front of the leg. [3] Onset is often sudden following activities like heavy lifting, though gradual onset may also occur. [5] The pain is often described as shooting. [1] Typically, symptoms are only on one side of the body. [3]
Anatomical terms of bone. [ edit on Wikidata] The sacrum (pl.: sacra or sacrums[ 1 ]), in human anatomy, is a large, triangular bone at the base of the spine that forms by the fusing of the sacral vertebrae (S1–S5) between ages 18 and 30. [ 2 ] The sacrum situates at the upper, back part of the pelvic cavity, between the two wings of the pelvis.
Tarlov cyst. Tarlov cysts, are type II innervated meningeal cysts, cerebrospinal-fluid -filled (CSF) sacs most frequently located in the spinal canal of the sacral region of the spinal cord (S1 – S5) and much less often in the cervical, thoracic or lumbar spine. They can be distinguished from other meningeal cysts by their nerve-fiber-filled ...
Traumatic anterolisthesis is rare and results from acute fractures in the neural arch, other than the pars. [11] Dysplastic anterolisthesis (a.k.a. type 1) results from congenital abnormalities of the upper sacral facets or inferior facets of the fifth lumbar vertebra, and accounts for 14% to 21% of all anterolisthesis. [12]
Neurology. Pudendal nerve entrapment (PNE), also known as Alcock canal syndrome, [1][2] is an uncommon [1][3][4] source of chronic pain in which the pudendal nerve (located in the pelvis) is entrapped or compressed in Alcock's canal. There are several different types of PNE based on the site of entrapment anatomically (see Anatomy). [5]
Sacroiliac joint dysfunction is an outcome of either extra-articular dysfunction or from intraarticular dysfunction. SI joint dysfunction is sometimes referred to as "sacroiliac joint instability" or "sacroiliac joint insufficiency" due to the support the once strong and taut ligaments can no longer sustain. [8][9][2][12] When the joint is ...