Umbilical Hernia



Umbilical Hernia


Michael P. Federle, MD, FACR

Amir A. Borhani, MD





Key Facts


Terminology



  • Protrusion of abdominal contents (omental fat ± bowel) into or through anterior abdominal wall via umbilical ring



    • Congenital: Diagnosed in infancy


    • Acquired: Develops in later life


Imaging



  • Midline; usually in upper 1/2 of umbilicus



    • Size varies, usually small


  • CECT best imaging tool



    • Multiplanar views can offer additional information


    • Useful to evaluate possible bowel obstruction


Top Differential Diagnoses



  • Omphalocele



    • Congenital defect in abdominal wall at umbilicus, evident at birth or in utero


  • Ventral hernia



    • Epigastric and hypogastric hernias develop above and below umbilicus, respectively


    • Incisional hernias: Through prior incision site


  • Spigelian hernia



    • Hernia protruding between linea semilunaris and lateral edge of rectus muscle


Pathology



  • Usually secondary to ↑ intraabdominal pressure: Obesity, multiple pregnancy, ascites, etc.



    • Cirrhosis with tense ascites is a common cause

Tags:
Jun 8, 2016 | Posted by in GENERAL RADIOLOGY | Comments Off on Umbilical Hernia

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