ABSTRACT
The relationship between nasal septal deviation and sinonasal diseases is well known, but the lack of a single universally accepted classification system for septal deviation makes the study of the influence of various types of septal deviation on the nose and paranasal sinuses, a matter of debates. Determine the sinonasal pathology associated with different types of septal deformities in symptomatic patients according to Mladina's classification and to evaluate clinical data of nasal septum deformities and their manifestations in symptomatic patients. During the period from July 2008-July 2009, 100 patients of nasal septal deviation were identified at the otorhinolaryngology department of Al-Sulamanyia Teaching Hospital. Routine nasal examination, flexible nasopharyngoscopy and rigid nasal endoscopy were done for each patient. Radiological findings were studied in relation to the type of septal deviation. Allergic patients, smokers with chronic sinonasal diseases and patients with sinonasal tumors were excluded from the study. Most of the cases were assigned with particular deviation type ignoring any minor deformity. The male: female ratio was about 1.8:1. [Male 64%, female 36%] with the highest incidence in the age group [21-40] years. The most common complaint was nasal obstruction 84%. The horizontal septal deviation [types 5 and 6] accounted for the majority of the cases [54%]. Deviation of the nasal septum was more prevalent in males and in the age group 21-40 years. Type 5 septal deviation was the commonest type in symptomatic patients