These are not uncommon symptoms that can occur for ... Sciatica occurs when the nerve roots that form the sciatic nerve, L4, ...

nerve roots）的一種狀態。其症狀包括上肢或下肢的疼痛、感覺異常（英语：paraesthesia）或無力，症狀一般為漸進發展，身體向前彎曲時則會緩解。嚴重的患者可能會有尿失禁、大便失禁或性功能障碍。 disc disease）、腰椎管狭窄（英语 ...

Most disc herniations occur at the bottom of the spine at the L4/5 and/or L5/S1 discs. The condition may not always cause symptoms ... such as lumbar radiculopathy (a pinched nerve at the lumbar spine ...

Even mild head trauma like a concussion can cause cranial nerve damage. The symptoms may appear immediately following the trauma, or they may not appear until days after the incident (for olfactory ...

including its unsuitability for addressing issues at the L5-S1 level (where the lowest lumbar vertebrae meet the sacrum), because the iliac crest of the pelvic bone obstructs a lateral approach).

FIGURE 68-4. Left L5-S1 TEI. AP view showing a neurogram pattern of left S1 and L5 nerve roots. For the L5-S1 foramen, the C-arm source often needs to be tilted in a caudad direction to accommodate ...

Lumbar stenosis can put pressure on the sciatic nerve, and is one of the chief causes of sciatica. Stenosis can be caused by age-related degeneration of the spine or traumatic injury to the spine. In ...

Beginning at the S1 level ... stellate ganglion and lumbar sympathetic chain. Since thermal ablation of the celiac plexus is not feasible, we will describe splanchenic nerve RFA in this section.

There is no single classification system that can describe all the many variations of nerve injury. Most systems attempt to correlate the degree of injury with symptoms, pathology and prognosis.[ ...