Cengiz, Zeynep TasOzkol, Hatice UceBeyhan, Yunus EmreOzturk, MuratYilmaz, Hasan2025-05-102025-05-1020171027-81172223-330X10.1016/j.dsi.2017.04.0062-s2.0-85019590649https://doi.org/10.1016/j.dsi.2017.04.006https://hdl.handle.net/20.500.14720/5763Beyhan, Yunus Emre/0000-0002-1696-4803Background: The aim of this study is to assess the effect of chronic diseases on the etiopathogenesis of demodicosis through the determination of Demodex sp. positivity in the face and eyelashes of the people with the chronic disease. Methods: This study is conducted on the patients who were referred to the Laboratory of Parasitology from the Yuzuncu Yil University, Faculty of Medicine, Outpatient Clinic of Dermatology. The samples were taken from the patients with standard skin surface biopsy. Furthermore, eyelashes of the patients were examined for Demodex sp. Result: When the patient groups are considered, demodicosis was found in the ratio of 18.5% of the patients with diabetes mellitus (p < 0.05), in 27% of those with hypertension (p < 0.01), in 25% of those with cancer (p < 0.01), in 32.5% of those with chronic renal failure (p < 0.01), in 23.7% of those with hypothyroidism (p < 0.05) and in 22.2% of the patients with hepatitis B (p < 0.05). Demodex sp. positivity was determined in the eyelashes of eight patients (p > 0.05). Conclusion: It is concluded that, in such patients the presence of this parasite should be taken into consideration in case of dermatoses occurring on the face, and these patients could be under the risk of occurring blepharitis as well. Copyright (C) 2017, Taiwanese Dermatological Association. Published by Elsevier Taiwan LLC.eninfo:eu-repo/semantics/openAccessDemodicosisChronic DiseasesPrevalenceArticle354Q2Q2173176WOS:000415388900001