“…9 It can develop after situations of stress 11 or local trauma, but it is more frequently associated with situations of diminished immune response as in individuals under systemic corticosteroid treatment, cytostatic chemotherapy, immunosuppressive agents, or radiotherapy, or it is associated with malignancies like chronic lymphocytic leukemia and lymphomas. 10,[12][13][14][15][16] It has been suggested that approximately 2% of patients with HZ will develop a second episode of the infection. 1,2 HZ infection may affect cranial nerves, and the trigeminal nerve is the most frequently affected (18.5% to 22% of total cases), followed by glossopharyngeal nerve and hypoglossal nerve.…”