Purpose: Surveying clinical and imaging characteristics of laryngotracheal stenosis (LTS) after prolonged endotracheal intubation (PEI). Design: Cross - sectional study. Method: Surveying 38 LTS cases after PEI about clinical and imaging chacracteristics on flexible laryngotracheal endoscopy (FLE), Multislice Computed Tomography (MSCT) of neck and thorax and surveying the histology of laryngotracheal injuries. Results: The 38 patients included 27 males and 11 females with an age range of 16 - 75 years (mean: 34.4 years) and had a pneumonia history (29%).