Retroduodenal and Intramural Duodenal Hematoma

Blunt trauma or acute deceleration may also cause rupture of the small blood vessels behind the fixed second portion of the duodenum. The hematoma resides within the right anterior pararenal space. It results in a characteristic spiculation of the mucosal folds of the pos terior margin of the descending duodenum and may displace that structure anteriorly (Fig. 8-58).

Confirmation of its presence, precise localization, and extent is readily shown by CT, which is also useful in follow-up to document the usual course of spontaneous resolution of the hematoma.

Intramural duodenal hematoma may be associated with and is also seen secondary to blunt abdominal trauma, anticoagulant therapy, bleeding disorders, ruptured aneurysm, aortoenteric fistula, and acute pancre-

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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