case_images: PMC7666696_01
case_images: otoendoscopy showing a raised spherical granulation tissue observed on the anterior wall of the trachea with a cobblestone-like appearance
case_images: PAMJ-36-382-g001.jpg
case_images: PMC7666696_01_PAMJ-36-382-g001.jpg
case_images: F1
case_images: During the tracheal observation, a raised spherical granulation tissue was seen on the anterior wall of the trachea with a cobblestone-like appearance (Figure 1).
case_images: during the operation, the coblator in combination with unipolar and bipolar electrodes removes the tracheal granulation tissue
case_images: PAMJ-36-382-g002.jpg
case_images: PMC7666696_01_PAMJ-36-382-g002.jpg
case_images: F2
case_images: Then, electrocoagulation was done with alternate unipolar and bipolar electrodes (Figure 2).