Which condition is a esophageal diverticula differential for regurgitation?

• A. Megaesophagus
• B. Esophageal Diverticula
• C. Esophagitis
• D. Gastroesophageal Reflux Disease

Answer: (B)

Regurgitation that comes from the esophagus is often due to a structural issue that can trap food and release it later. An esophageal diverticulum is exactly that kind of lesion—a pouch or outpouching in the esophageal wall that can collect undigested food and then regurgitate it, leading to the symptom.

Among the options, the one that directly represents a diverticular lesion is esophageal diverticula, which is why it’s the best fit. The other conditions can cause regurgitation as well, but they do so through different mechanisms: a dilated esophagus (megaesophagus) reflects a motility problem rather than a discrete pouch; esophagitis and GERD involve inflammation or reflux rather than a diverticular outpouching.