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