Adiverticulum is a pouch that appears on the wall of a viscous. Hypo pharynx diverticulitiscan be true, when include all layers of the wall, and false which does notusually include muscular layer. Zenger’s diverticulum is falsediverticulum consisted of mucosa and sub mucosa which appears at the back ofthe throat, where the throat joins esophagus. It usually occurs in elderlypeople and is more common in males than in females. The cause for theoccurrence of Zenker’s diverticulum is yet unknown, but it is assumed that itappears because of some weak spot in the muscle of the lower throat.
Oftenthe symptoms for Zenger’s diverticulum are not evident. However, when food orsaliva fills up the pouch, some warning signs appear. Person who suffersfrom this will have difficulty while swallowing and that is called dysphasia.It often happens that undigested food comes back or that food gets into thebreathing passages or lungs. Other symptoms of Zenger’s diverticulum includecough, especially at night, hoarseness, pneumonia and bronchitis. The mostfrequent signs of this disorder, furthermore, are noisy swallowing, voicechange, and halitosis. The pouch can cause many problems for the personswho, for example, take some medication. The pills can stuck in the pouch andthus cannot be disintegrated in the stomach and then absorbed. It cancause some complications such as aspiration, ulceration, esophagealobstruction, hemorrhage, tracheodiverticular fistula and perforation.
Manystudies and examinations of patients with this kind of diverticulum have showedthat the increased intrabolus pressure and upper esophageal sphincter pressureappear. Other similar studies showed that Zenger’s diverticulum is connectedwith the hibital hernia and gastro esophageal reflux. Squamish cellcarcinoma is one of the most serious complications which are associated withthe Zenger’s diverticulum, because in this case the mortality rate is veryhigh. Atrophy, necrosis, hypertrophy, inflammation, and fibrosis aretypical irregular histological changes in patient with Zenger’s diverticulum.
Zenger’sdiverticulum is not treated before the symptoms appear. When a person has thesesymptoms the doctor must be consulted. Zenger’s diverticulum is then diagnosedby the means of a barium swallow. Once the diagnose is established,surgery is necessary. In surgery, the problematic pouch is removed. There aretwo common approaches. One is a conventional open surgery, which is donethrough the neck, and the other is an endoscopic approach, which is donethrough the mouth. The later approach is faster, more effective, and it requiresonly one day in hospital. It has lower complication rate than conventionalsurgery.