Herpes zoster in the T1 dermatome presenting with Horner’s syndrome, radicular weakness, and postherpetic neuralgia

W Oliver Tobin1, Byron R Spencer2, Bart M Demaerschalk21Department of Neurology, Adelaide and Meath Hospital, Dublin, incorporating the National Children’s Hospital, Ireland; 2Department of Neurology, Mayo Clinic Arizona, USAAbstract: Herpes zoster is caused by varicella zoster virus infection involving the dorsal root ganglia of spinal nerve roots. This common problem can be associated with multiple neurological abnormalities. We present a case of Herpes zoster affecting the T1 dermatome associated with ipsilateral Horner’s syndrome and radicular weakness.Keywords: Herpes zoster, Horner’s syndrome, spinal ganglia, postherpetic neuralgia, spinal nerve root