Herpes zoster (shingles, zona) is a viral infection commonly affliccting the skin and the nervous system with an overall occurring rate of 3 to 5 cases per 1000 persons per year, with higher rates in middle or later life. With the advancement of medicine, more and more case reports have started to emerge showing different incidences of VZV, some new localizations, clinical presentations, and complications, which break the well-known fact that "VZV affects the skin and nervous system.". Skin lesions are the most important ones for the early and exact diagnosis of herpes zoster (HZ), due to its visibility and well-defined clinical picture of lesions. The most frequent condition following the acute herpes zoster eruption is postherapeutic neuralgia (PHN). There have been other reports of the disease with otorinolaryngologic complications and ophthalmologic ones, such as ophthalmoparesis/plegia. There have also been reports of delayed contralateral hemiparesis/hemiplegia following the infection, as a manifestation of vaculitis due to a direct VZV invasion of the cerebral arteries. Encephalitis and destructive myelitis is similarly rare, but a serious complication. Some authors found that patients with inflammatory bowel disease are at a significantly increased risk for herpes zoster. As a gastroenterologic complication, there have been several instances of HZV infection with symptoms resembling an acute abdomen. The diagnosis is hard to pinpoint, and a vast array of examinations are required to identify it, sometimes even posthumously. Nephrologic representations and complications have also been reported.With more and more skin diseases being acknowledged as systemic ones, this viral infection is a more likely candidate for the same title.
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