Comparative Study between Laryngeal Ultrasonography and C.T Scan of Various Laryngeal Lesions

Background: Different methods were used for diagnosis of many laryngeal diseases. Ultrasound became a very important, widely used diagnostic tool for head and neck diseases.Objectives: The aim of this study is to evaluate laryngeal ultrasound as an alternative to C.T scan in diagnosis of different laryngeal diseases.Patients and Methods: A prospective study which was carried out between April 2012 and October 2012 in Radiodiagnosis and Otorhinolaryngology Departments, Zagazig University Hospital, Egypt. It included 2 groups of patients, control group (12 patients) and study group (54 patients). Individual of the control group who were undergoing neck ultrasound for thyroid swelling were subjected to laryngeal ultrasound only while patients of the study group were subjected to both laryngeal ultrasound and C.T scan of the neck.Results: Laryngeal ultrasound was found to be valuable in detecting vocal cord nodules in (27.3%), polyps (100%), cysts (100%), Rienk s oedema (60%) and laryngeal masses (78.6%) and these results were comparable that of C.T scan.Conclusion: Laryngeal ultrasound is considered of a great value in diagnosing different laryngeal lesions and can be used as an alternative or complementary to C.T scan.