- TRACHEAL HYPOPLASIA
- HAWAII STATE VETERINARY LABORATORY
- HYPOPLASIA/DYSPLASIA, dysplastic
- Tracheal hypoplasia is one of four common findings in the brachycephalic syndrome, along with stenotic nares, elongated soft palate, and everted laryngeal saccules. In these cases, the trachea is flattened dorsoventrally, and the dorsal tracheal membrane is lax and may sag downwards into the lumen. Small breed brachycephalic breeds are predisposed, including Chihuahua, Pomeranian, Toy Poodle, Shih Tzu, Lhasa Apso, Maltese, Pug and Yorkshire terriers.