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British Journal of Radiology (2006) 79, 529-535
© 2006 British Institute of Radiology
doi: 10.1259/bjr/17839516
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Deep tracheal laceration after balloon dilation for benign tracheobronchial stenosis: case reports of two patients

Y H Kim, MD1, D J Sung, MD1, S B Cho, MD1, K B Chung, MD1, S H Cha, MD1, H S Park, MD2 and J W Um, MD3

Departments of 1Radiology, 2Urology and 3Surgery, Korea University College of Medicine, Seoul, Korea


Figure 1
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  		Figure 1. Case 1.(a) Anteroposterior and (b) lateral views of the three-dimensional (3D) reconstruction CT, obtained 4 days before balloon dilation, show a 6 cm long tracheal stenosis (arrowheads in (a) and (b)) from the mid-trachea to the carina and a 1.5 cm long right main bronchial stenosis (arrows in (a)).

 

Figure 2
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  		Figure 2. Case 1. Immediately after balloon dilation, the lumens of the stenoses appear to be widened on(a) the anteroposterior view of the 3D reconstruction CT. However, a long and deep laceration (arrowheads in (b) and (c)) on the posterior tracheal wall with pneumomediastinum (arrows in (c)) is well visualized on (b) the lateral view of the 3D reconstruction CT and (c) axial CT scan.

 

Figure 3
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  		Figure 3. Case 1.(a) Anteroposterior and (b) lateral views of the follow-up 3D reconstruction CT scans show marked improvement of the right main bronchial (arrows in (a)) and tracheal stenosis (arrowheads in (a)) without further visualization of the deep laceration on the posterior tracheal wall (arrowheads in (b)).

 

Figure 4
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  		Figure 4. Case 2. Anteroposterior view of the three-dimensional (3D) reconstruction CT obtained 3 weeks before balloon dilation, shows two focal stenoses (arrows) at the mid and lower levels of the trachea.

 

Figure 5
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  		Figure 5. Case 2. Immediately after balloon dilation, a deep laceration(arrowheads) on the posterior tracheal wall is clearly visualized on the axial CT scan.

 

Figure 6
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  		Figure 6. Case 2.(a) Anteroposterior view of 3D reconstruction and (b) axial scan of the follow-up CT show improvement of the two focal tracheal stenoses (arrows in (a)) and reveal a completely healed deep laceration on the posterior tracheal wall.

 




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