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Chronic regional pain syndrome in the patient's feet. (A) Before treatment.
(B) After treatment with 10% ketamine cream and palmitoylethanolamide.
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In November 2012, when she came to our Institute for Neuropathic Pain, the left knee, as well as both feet, were profoundly swollen and the skin was red and bluish (Figure 1). After 1 month of treatment, the swelling and discoloration improved even further (Figure 1).