Mohamad Reza Mofatteh - Assistant Professor, Department of Ear, Nose and Throat, Faculty of Medicine, Birjand University of Medical Science, Birjand, Iran
Marziye Asli - Antioxidants & Metabolism Research Center, Birjand University of Medical Sciences, Birjand, Iran
Masoome Shaghab - Graduated of Medicine, Faculty of Medicine, Birjand University of Medical Science, Birjand, Iran
Ali Mofatteh - Student of Medicine, Committee Research Center, Faculty of Medicine, Mashhad University of Medical Science, Mashhad, Iran

Introduction: Laryngeal and hypopharyngeal lesions areamong common head-and-neck diseases. Evaluating them with direct laryngoscope provides information about the kinds and regions of the lesions, whichalong with the clinical signs helps to diagnose and determine the treatment plans. The aim of this study is to evaluatethe frequency distribution of different types of laryngeal and hypopharyngeal lesions viadirect laryngoscopyofthe patients referred to the medical centers of Birjand city. Methods: This cross-sectionalstudy wasperformed on ۱۶۵ patients referred to all ENT specialized medical centers of Birjand city who,according to the primary clinical diagnosis, were in need of direct laryngoscopy. Patients with bronchial or lower lesions were omitted from the study. The necessary information including age, sex, residence, primary complaint, risk factors,type and region of the lesion was collected with the patient’s consent. Data were analyzed in SPSS ۱۸ software usingKruskal-Wallis and Chi-Square tests. The significance level was set at P<۰.۰۵. Results: The mean age of the participants was ۴۳.۷۶±۲۳.۶۶ years, and ۵۳.۳% were male. The most frequent primary complaint was dysphonia,the most frequent types of lesion were foreign object and neoplasm, the most involved regions were glottis and hypopharynx, and the most frequent risk factors were opium and smoking.The results showed a significant correlation between the type of lesions and the variables of age, residence, risk factors and region of legions. Conclusions: The results showed that dysphonia was the most frequent primary complaint. The majority of neoplastic lesions,which had a significant correlation with smoking, opium consumption and bad nutritional habits, were seen in men,indicating the necessity to inform people about the primary signsof these lesions in order to diagnose timely and decrease tobacco use.

Laryngoscopy, Laryngeal Neoplasms, Hypopharyngeal Neoplasms