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Dysfunction of the superior cluneal nerves is often due to entrapment as the nerves cross the iliac crest – this can result in numbness, tingling or pain in the low back and upper buttocks region. Superior cluneal nerve dysfunction is a clinical diagnosis that can be supported by diagnostic nerve blocks. [1]
The timing/duration of symptoms may be continuous, intermittent, and/or positional. This is dependent on the underlying cause of entrapment and the specific nerves involved. For example, pain while sitting is associated with inferior cluneal nerve entrapment, pudendal nerve entrapment, and anococcyeal nerve entrapment. [11] [12] [13]
A nerve decompression is a neurosurgical procedure to relieve chronic, direct pressure on a nerve to treat nerve entrapment, a pain syndrome characterized by severe chronic pain and muscle weakness. In this way a nerve decompression targets the underlying pathophysiology of the syndrome and is considered a first-line surgical treatment option ...
Extensive scar tissue formation is a major cause of nerve entrapment, and for deep gluteal syndrome (entrapment of the sciatic nerve in the deep gluteal space), it's the most common cause. [11] While the concept of scar tissue causing traction injuries is widely accepted, [2] its role is more complex than strictly causing stretching injuries.
Iliocostal friction syndrome, also known as costoiliac impingement syndrome, is a condition in which the costal margin comes in contact with the iliac crest.The condition presents as low back pain which may radiate to other surrounding areas as a result of irritated nerve, tendon, and muscle structures.
The inferior clunial nerves (also gluteal branches of posterior femoral cutaneous nerve) are branches of the posterior cutaneous nerve of the thigh that innervate the skin of the lower part of the buttocks. [1] [2] They pass inferior to the inferior border of the gluteus maximus muscle. [2]
The cluneal nerves (or clunial nerves) are cutaneous nerves of the buttocks. They are often classified according to where on the buttocks they innervate. Specifically, the nerves are as follows: Superior cluneal nerves; Medial cluneal nerves; Inferior cluneal nerves
Pudendal nerve entrapment is an example of nerve compression syndrome. Pudendal neuralgia (PN) refers to neuropathic pain along the course of the pudendal nerve and in its distribution. This term is often used interchangeably with pudendal nerve entrapment. However, it has been suggested that the presence of symptoms of pudendal neuralgia alone ...