Stening 
The tracheal lipoma usually appears as a smooth tumor that rises gently on the wall, with visible vessels on the surface. In this case he has suffered a sarcomatous degeneration. Liposarcoma. Francisco Muñiz Hospital
Leiomyosarcoma: This image is not very precise, but there is a red wine formation that occupies all the light of the middle lobe bronchus. The bubble crown indicates that the lesion does not infiltrate the entire perimeter of the wall, or that there is a pedicle, and that ventilation is still possible. Leiomyosarcoma in a … Read more
Warty appearance formation on the bronchial wall about to be captured by the biopsy forceps: Papilloma.
Not identifiable: contiguous to the spur, the tissue that has proliferated to occlude the light appears friable, vegetative and with a bulge in its irregular surface. All due to an unrecognizable injury to the endoscopist. Hamartoma confirmed. Italian Hospital of the city of Buenos Aires
Although the usual morphology is usually “in cluster”, this unique and sessile papilloma, identical in color to the mucosa, seems to be monitored from the trachea at the entrance to the main bronchi.
As a solitary hump this tumor emerges from the tracheal wall as if it were a uvula. Chondrosarcoma confirmed (Francisco Muñiz Hospital).
With the help of a deflector, the clamp inserted inside has formed a 90 degrees angle and is ready to perform a transbronchial biopsy (BTB) in an upper lobe.
Confusing image in which the anatomical structures are difficult to recognize. The tracheal domed ceiling ends in the anterior carinal triangle, barely visible. On your right the source bronchus. Large amount of blood and exudates fill the free space between the disordered tissues that occupy the light, occluding the left source bronchus. A carcinoma of … Read more
Flexible bronchoscopy performed to determine the possibility of operation of an esophageal carcinoma. The longitudinal folds have completely disappeared due to the edema of the posterior wall. A small bulge rises on the surface as a direct sign of infiltration by neoplastic tissue of the tracheal wall.
The bulging of the posterior wall “separates the longitudinal folds”, and is a necessary effect of the posterior extrinsic compressions. In the case, a carcinoma of the esophagus exerts a notorious repercussion that, due to its contiguity, it produces on the trachea all the way to the carina, which is also affected.