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Articles » Respiratory system » Larynx, atresia

2009-12-07-13 Laryngeal atresia © Manohar

Laryngeal atresia

S. Manohar, MD, DMRD, M. Mohan Karthikeyan, MD, DMRD. 

Madurai, India.

This is a case of laryngeal atresia with obliteration of the laryngeal lumen by the internal echoes.

Additional indirect sign of laryngeal atresia present at this case are:

  • Echogenic lungs
  • Fluid filled trachea and bronchi
  • Inferior convexity of the diaphragm
  • Moderate ascites

Images 1,2: Image 1 shows a transverse view of the abdomen, note sliver of ascites (indicated by *). Image 2 shows a transverse view of the thorax, note enlarged echogenic lungs, the heart is pushed anterior towards the chest wall and appears relatively small. 


Images 3,4: Image 3 shows a normal four chamber view, note echogenic lungs. Image 4 shows a three vessel and trachea view, trachea is prominant, filled with fluid.


Images 5,6: Image 5 and 6 show a coronal view of both lungs with tracheal bifurcation and bronchi which are filled with fluid. Note the inversion of the diaphragm due to the voluminous lungs.


Images 7,8: Images shows a coronal view of the fetal neck and chest, note the fluid-filled trachea with internal echos obliterating the larynx, indicated by arrows. 


Images 9,10: Image 9 shows the obliterated larynx; trachea is filled with fluid.



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