带状疱疹后神经痛带状疱疹后神经痛postherpetic neuralgiapostherpetic neuralgia12varicellazostervirus(VZV)3Primary VZV infection,which usually occurs in children,results in chickenpox(varicella),after which the virus becomes latent in ganglionic neurons along the entire neuraxis.Years later,as cell-mediated immunity to VZV declines with age or from immunosuppression(such as in organ-transplant recipients or patients with cancer or AIDS),VZV can reactivate to cause zoster(shingles).Zoster is often followed by chron
