Fig. 1From: Obstructive shock due to tracheal perforation following long-term placement of a tracheostomy tube in a pediatric patient: a case reportBronchoscopy findings during the patient’s clinical course. A Ulceration of the posterior tracheal wall was observed on the day of admission. B Perforation of the posterior tracheal wall on day 3. C The tracheal perforation was bridged by a cuffed tracheostomy tube. A, anterior tracheal wall; P, posterior tracheal wall; L, left; R, rightBack to article page