Season 9 Case 13
Hx: 50 yo male with cough
how about this?
Answer: Mounier-Kuhn syndrome (aka tracheobronchomegaly)
-cystic dilation of trachea&bronchi
-absence/atrophy of elastin fibers&smooth muscle
-?congenital (not agreed upon)
-assoc w Ehlers-Danlos
Mounier-Kuhn Syndrome:
-consider when trachea >3cm (above aortic arch)
-bronchi >2cm (R) or >1.5cm (L)
-can have tracheal diverticula
-dynamic imaging shows change in airway diameter ( increased w inspiration due to weakness)
-yields chronic productive cough/infection and COPD symptoms