2009-12-07-13 Laryngeal atresia © Manohar www.thefetus.net/
S. Manohar, MD, DMRD, M. Mohan Karthikeyan, MD, DMRD.
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.