بررسی زونا در بیماران مراجعه کننده به درمانگاه پوست بیمارستان سینا همدان در سالهای 77-1373

          Herpes Zoster is rather a common skin disorder . It is the consequance    of late reactivation of dormant varicella zoster virus in person who has    already suffered from chickenpox. From the clinical point of view it is limited    to one dermatome. the aim of this study was the survey of clinical and    demographic features of Herpes Zoster patients who referred to the    Department of Dermatology of Sina hospital of Hamadan between    1994-1998 .           This is a kind of descriptive retrospective cross-sectional study which the    essential information was gathered by referring to the patients file and then    the obtained information was analyzed.           From 10486 patients that referred to the hospital , 173 (16%) cases had    Herpes Zoster. 54.9% of them were male and the rest were female. The most    prevalence group were 60-69 year-old patients (20.2%). The distribution of    lesions were more common in thorasic dermatome (41%) and then cervical    dermatome (24.3%) , lumbosacral (23.7%) and trigeminal (11.6%). 47.4% of    the lesions were on the right and 48% were on the left and 4.6% in both side    of the body. The highest frequency of the Herpes Zoster was in summer and    the lowest one in spring.           This study shows that the frequency of Herpes Zoster is higher among    men than women. Also the number of patients in the young age group was    considerable compared to the other study which carried out in the    developed countries.