Maydl hernia

Last revised by Rohit Sharma on 24 Sep 2022

Maydl hernias (alternative plural: herniae) are defined as the presence of two small bowel loops within a single hernial sac, that is, there are two efferent and two afferent loops of bowel, forming a "W" shape. Hence sometimes known as a W hernia or a hernia-in-W.

This type of hernia is more prone to strangulation and necrosis. The intervening intra-abdominal loop is also at risk of a closed loop obstruction.

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