Anesthesia dolorosa

What is anesthesia dolorosa?

Anesthesia dolorosa is a syndrome in which pain is felt in an area that is otherwise numb or desensitized. It commonly occurs after partial nerve lesions and may be a complication of radiofrequency coagulation of the trigeminal nerve.

In a certain percentage of patients, the original trigeminal neuralgia pain is replaced by spontaneous pain in a now denervated area. The paradox is that an otherwise insensitive area is painful.


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