Fig. 4From: Tracheostomy for the pediatric patient with fibrodysplasia ossificans progressiva: a case reportSchematic diagram showing an inverted U-shaped tracheal wall incision and the anterior tracheal wall flap. a Inverted U-shaped tracheal wall incision. The dashed circle indicates the surgical field of view. T: thyroid cartilage, C: cricoid cartilage, 1–3: tracheal cartilage; b Anterior tracheal wall flap, 1.2: tracheal cartilage (lateral view)Back to article page