GI Radiology > Hernia > Internal > Foramen of Winslow

Hernia through Foramen of Winslow

The foramen of Winslow is defined anatomically as the the opening between the lesser sac and the peritoneum. Internal herniation through the foramen of Winslow can occur with small bowel, cecum/right colon, or transverse colon. Foramen of Winslow hernias are a very rare event with less than 200 cases reported worldwide in the literature. Nonetheless, these hernias are not taken lightly because bowel incarceration and strangulation can occur. Contrast enhanced CT or barium studies are needed for diagnosis.


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