Bochdalek's Hernia

Author: V. Dimov, M.D.
Reviewer: S. Randhawa, M.D.

In 1848, Bochdalek described the congenital defect in fusion of the posterolateral foramina of the diaphragm. Bochdalek's hernia is the most common form of diaphragmatic hernia, occurring in approximately 1 in 2500 births and twice as often in males as in females.


Bochdalek's hernia on the left


Bochdalek's hernia on the left

CT report: Left Bochdalek hernia, containing fat measuring approximately 4.2 x 4.3 cm. The gap in the left diaphragm measures approximately 0.7 cm.

Most Bochdalek's hernias occur on the left side, allowing protrusion of the abdominal viscera into the chest. The herniated bowel passes through the defect, filling the chest cavity and causing hypoplasia of the left lung and a shift of mediastinal structures to the right side. Previously unrecognized Bochdalek's hernia in adults is often diagnosed incidentally. Symptomatic Bochdalek's hernia in adults is rare.

References:
What Is the Significance of Bochdalek's Hernia in an Adult? Medscape, 2006.

Published: 08/19/2008
Updated: 08/19/2008

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