ABSTRACT

124 A 5-year-old mixed breed dog presents with a 1-week history of “bringing food up” and mild lethargy. During physical examination, the dog regurgitates a stable white foamy material. A left lateral thoracic radiograph is obtained (Figure 124.1). https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429401725/9d69b4ae-80d1-4f44-9dcb-659cda134065/content/fig124_1_C.jpg"/>

i. What is the tracheal stripe sign?

ii. What is the significance of the stable white foam and regurgitation?

iii. Which neoplasm(s) are most commonly associated with megaesophagus?