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12. Cranial Neuralgias, Nerve Trunk Pain and Deafferentation Pain

12.1 Persistent (in contrast to tic-like) pain of cranial nerve origin Diagnostic criteria: A. Pain in the distribution of one or more cranial nerve(s) andor cervical roots 2 and 3 with or without projection to neighbouring areas. B. Demonstration of a relevant lesion. C. Onset of pain temporally related to onset of cranial nerve lesion. D. If lesion can be effectively treated or remits spontaneously, pain improves or disappears.