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Symptoms are pain or dysthesias (abnormal sensation) in the buttocks, hip, and posterior thigh with or without radiating leg pain. Patients often report pain when sitting. [1] The two most common causes are piriformis syndrome and fibrovascular bands (scar tissue), but many other causes exist. [2]
It is a type of percutaneous adhesiolysis procedure [2] commonly used to treat chronic pain resulting from failed back surgery syndrome wherein scar tissue has formed around the nerves and causes pain. Evidence suggests the procedure may also be effective in treating spinal stenosis and radicular pain caused by a herniated disc. [1]
Piriformis syndrome is often left undiagnosed and mistaken with other pains due to similar symptoms with back pain, quadriceps pain, lower leg pain, and buttock pain. These symptoms include tenderness, tingling and numbness initiating in low back and buttock area and then radiating down to the thigh and to the leg. [ 72 ]
There is excessive scar tissue formation within the joint and/or surrounding soft tissues leading to painful restriction of joint motion that persists despite physical therapy and rehabilitation. The scar tissue may be located inside the knee joint or may involve the soft tissue structures around the knee joint, or both locations.
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
The healing of trauma to the outer anulus fibrosus may also result in the innervation of the scar tissue and pain impulses from the disc, as these nerves become inflamed by nucleus pulposus material. Degenerative disc disease can lead to a chronic debilitating condition and can reduce a person's quality of life.
Symptoms of the condition include lower back pain, back stiffness, numbness or weakness in the feet, difficulty walking or standing for longer than a few minutes at a time, and sciatica (leg pain).
Fibrosis can occur in many tissues within the body, typically as a result of inflammation or damage. Common sites of fibrosis include the lungs, liver, kidneys, brain, and heart: Micrograph showing cirrhosis of the liver. The tissue in this example is stained with a trichrome stain, in which fibrosis is colored blue.