Navigation Links
Phantom pain


Phantom pain, also called deafferentation pain, anesthesia dolorosa, or denervation pain, is pain that is felt in a part of the body (usually an extremity) that either no longer exists due to amputation or is insensate as a result of nerve severance. It is often described as a burning sensation, though individual accounts vary. This pain does not originate from the limb itself, as such would be impossible in these cases, but is instead the result of the brain receiving messages from the spinal cord which it interprets as pain coming from the affected limb. [1]

Contents

Physiology

Pain usually begins when nerve endings relay information to nerves, which in turn relay it to ganglia just outside the spinal vertebrae, which send it to nociceptive (pain-sensing) neurons inside the spinal cord, which finally send the information to the brain. If the nociceptive neurons cease to receive information to pass on, they will instead send the neurological equivalent of white noise, which the brain then interprets as pain. [1]

In cases in which a traumatic event causes nerve severance and also detaches the nociceptive neurons from the rest of the spinal cord, phantom pain will not develop. Some patients who do not receive adequate relief from nerve blocks, narcotic painkillers, or other methods of pain management may undergo a procedure called dorsal root entry zone (DREZ) lesioning. DREZ lesioning is a form of neurosurgery in which the wayward nociceptive neurons are destroyed. [1]

See also

References

  1. ^ a b c Vertosick, Frank T., Jr., M.D. (2000). "Slaying the Phantom", Why We Hurt: The Natural History of Pain. USA: Harcourt. ISBN 0-15-100377-7.

External links


'"/>


(Date:5/6/2016)... ... ... "ProIntro Music is a great new set of self-animating intros for Final ... ProIntro Music is a set of 30 self-animating introductions created exclusively for use in ... X editors to add a unique opener to any video production. Choose from dynamic ...
(Date:5/6/2016)... , ... May 06, 2016 , ... Speech, hearing, and ... (ASHA). Since 1927, ASHA has celebrated Better Hearing and Speech Month each May ... Care. , “We live in an era full of technology. Kids spend hours ...
(Date:5/6/2016)... ... ... The team at Tijuana Bariatric Center is pleased to announce that the ... to bariatrics. , Thanks to this recent expansion, the network of bariatric surgeons ... looking for a solution to obesity and obesity-related illness. This means that the practice ...
(Date:5/6/2016)... , ... May 06, 2016 , ... With more than ... a part of the cosmetic team at South Jersey Skin Care & Laser Center, ... now working as the practice’s new licensed medical esthetician. , Dr. Robin Levin came ...
(Date:5/6/2016)... ... May 06, 2016 , ... The National Association ... education initiative in Puerto Rico. Radio messages set to debut on Monday, May ... and pharmacists about ways to protect themselves and their unborn children from the ...
Breaking Medicine News(10 mins):
Other medicine definition