Which congenital anomaly is associated with an abnormal positioning of the cecum?

• A. Gastroschisis
• B. Hirschsprung disease
• C. Malrotation
• D. Situs inversus viscerum

Answer: (C)

The correct answer relates to malrotation, which is a congenital anomaly characterized by an improper rotation of the intestines during fetal development. This process normally involves the intestines making a 270-degree counterclockwise turn as they move from the umbilical cord back into the abdominal cavity. When this rotation is interrupted, it can lead to abnormal positioning of the cecum.

In malrotation, the cecum may end up in an atypical location, often positioned high in the right upper quadrant or nearer to the midline rather than its typical place in the right lower quadrant. This misplacement can result in various complications, including bowel obstructions and susceptibility to volvulus, a condition in which a loop of intestine twists around itself.

Understanding malrotation and its implications is essential because it is critical to diagnose and manage it promptly to prevent serious gastrointestinal issues. Other congenital anomalies listed, like gastroschisis, Hirschsprung disease, and situs inversus, present with different anatomical and functional challenges but do not specifically result in an abnormal positioning of the cecum in the manner seen with malrotation.