• Ahmad Wagih Abdel-Halim

Gastrointestinal System

Pharyngeal (Zenker) Diverticulum

  • Mechanism: Spasm of cricopharyngeus muscle leads to herniation of pharyngeal mucosa through Killian’s Dehiscence; a triangle in the posterior pharyngeal wall bound by oblique fibers of inferior pharyngeal constrictor muscles and transverse fibers of cricopharyngeus muscle.

  • Clinical picture:
    1. 1.


    2. 2.

      Regurgitation of non-digested food; especially on lying down.

    3. 3.

      Neck swelling: Soft, compressible and gets bigger after meals.

  • Complications: Perforation and malignancy.

  • Diagnosis: Barium swallow is the test of choice (Esophagogastroduodenoscopy “EDG” might cause perforation).

  • Treatment:
    1. 1.

      Small diverticulum: Repeated dilatation.

    2. 2.

      Large diverticulum: Diverticulopexy or diverti- culectomy.


Congenital Esophageal Atresia

  • Introduction: Usually associated with tracheo-esophageal fistula.

  • Types: Multiple; the most common is an esophagus with a blind upper pouch, and a lower pouch connected to the trachea.

  • Clinical...


Clinical Picture Hiatus Hernia Deep Venous Thrombosis Anal Canal Choledochal Cyst 
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.McLaren Regional Medical CenterFlintUSA

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