Published online by Cambridge University Press: 07 October 2011
Imaging description
Morgagni hernia is an uncommon hernia resulting from a defect in the diaphragm's attachments to the sternum and costal cartilages with herniation of abdominal content into the anterior thorax [1, 2]. It more commonly occurs on the right due to the protective barrier effect of the heart on the left [1, 2]. On CT, the Morgagni foraminal defect is demonstrated by the lack of right and left diaphragmatic muscle fibers joining together to insert on the xiphoid [3] (Figure 70.1).
The hernia most commonly contains omentum but may contain colon, stomach, liver, or small intestine [1, 2] (Figures 70.2–70.4).
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