Abdominal cavity: anatomy, structural anomalies, and hernias

Le résumé fourni par la source

This chapter provides a pictorial reference depicting anatomical structural anomalies encountered within the abdominal cavity. These anomalies may be broadly divided into developmental and adult patterns of anatomical variation. Structural anomalies are benign processes that tend to respect intact anatomy; their locations and appearances are therefore determined by the boundaries of the abdominal cavity, intra- and retroperitoneal divisions, and the peritoneal cavity subdivisions. The abdominal cavity may be affected by a wide variety of hernias. Internal hernias are difficult to diagnose clinically, and computed tomography (CT) plays a vital role in assessment. Adult diaphragmatic hernias are most frequently posttraumatic in origin; the left hemidiaphragm is most commonly affected. Internal hernias are difficult to diagnose clinically and therefore CT is important for assessment. An umbilical hernia is the most common nongroin abdominal wall hernia.

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