Megaesophagus
Megaesophagus
Megaesophagus (pronounced: meh-guh-eh-sof-uh-guhs) is a medical condition characterized by the enlargement and decreased motility of the esophagus, the tube that connects the throat to the stomach.
Etymology
The term "megaesophagus" is derived from the Greek words "mega" meaning large or great, and "esophagus" which refers to the gullet or swallowing tube.
Definition
Megaesophagus is a condition in which the esophagus becomes enlarged, causing difficulties in swallowing, regurgitation of food, and potential malnutrition. This condition can occur in both humans and animals, most commonly in dogs.
Causes
Megaesophagus can be congenital, meaning present at birth, or it can be acquired later in life. The exact cause is often unknown, but it can be associated with various diseases and conditions such as myasthenia gravis, hypothyroidism, and Addison's disease.
Symptoms
Symptoms of megaesophagus can include difficulty swallowing, regurgitation of food or liquid, weight loss, and coughing. In severe cases, it can lead to aspiration pneumonia, a serious condition where food or liquid enters the lungs instead of the stomach.
Treatment
Treatment for megaesophagus focuses on managing the symptoms and preventing complications. This can include dietary changes, medications to improve esophageal motility, and in some cases, surgery.
Related Terms
External links
- Medical encyclopedia article on Megaesophagus
- Wikipedia's article - Megaesophagus
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