GI Radiology > Hernia > External > Incisional

Incisional Hernia

Incisional hernias occur at the site of previous surgery, including sites of laparoscopic intervention. These hernias may be diagnosed by ultrasound in thinner patients, however CT scan is a better imaging modality for overweight patients. Repair is on an elective basis but may be urgent if bowel strangulation occurs. Smaller hernias are more dangerous than larger hernias because smaller hernias are more likely to strangulate if incarcerated. A very small incarcerated or strangulated hernia may contain only half the wall of the bowel, known as a Richter's hernia. Richter's hernias may not produce signs of obstruction and may present with nonspecific abdominal symptoms.


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