Friday, October 07, 2011

What's wrong with this picture?

This patient has situs inversus. It is a mistake in embryogenesis where the major organs in the body end up in a mirror-image position from where they should be.

On medical images, the right is on the left and the left is on the right. So what you see in this chest x-ray is a heart that extends to the patient's right side. It is normally the opposite, of course.

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