HELICAL CT SCAN (2D AND 3D) VERSUS CONVENTIONAL ENDOSCOPY IN ASSESSMENT OF AIR WAY DISEASE IN NEONATES, INFANTS AND CHILDREN
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Introduction: Diagnosis of airway disease, airway patency, lesion length and cross-sectional area are important aspects of the management qf airway disease, usually requiring invasive endoscopy, which is .not without risk to the patient. Conventional endoscopy is considered the gold standard for the evaluation of stridor and airway obstruction. This study was undertaken to determine whether helical CT scan with 2-D and 3-D reconstructions could accurately represent airway anatomy and reproduce the findings obtained during conventional endoscopy of patients presenting with airway obstruction. Objectives: To study the use of helical computed tomography 2-D and 3-D images in the evaluation of airway disease in neonates, infants and children and its value in lesion detection, characterization and extension. Findings are compared with conventional endoscopy, considered as standard of reference. Material and Methods: 40 patients with various causes of airway obstruction were examined by helical CT scan. 2-D and 3-D reconstructions were done. The cause and level of obstruction were identified and compared with actual endoscopic findings. This included 11 cases with choanal atresia/ stenosis, ii subglottic stenosis, 1 subglottic foreign body.