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Anatomy · Abdomen: liver peritoneal reflections
Sample itemA man with an amoebic liver abscess in the posterosuperior part of the right lobe develops a right pleural effusion as the pus ruptures upward. Which feature of the liver allows pus to reach the thorax without first entering the general peritoneal cavity?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. The bare area lies against the diaphragm without peritoneal covering
The bare area of the liver lies between the layers of the coronary ligament and has no peritoneum. It is in direct contact with the diaphragm, so a superior abscess can erode through it into the pleura or pericardium. The pus bypasses the peritoneal cavity.
Option by option
A. The hepatic veins open directly into the pleural cavity
The hepatic veins drain into the inferior vena cava, not the pleural cavity.
B. The lesser omentum joins the liver directly to the diaphragm
The lesser omentum links the liver to the stomach and duodenum, not the diaphragm.
C. The falciform ligament carries the abscess upward to the sternum
The falciform ligament is peritoneal and passes to the anterior abdominal wall and umbilicus.
D. The bare area lies against the diaphragm without peritoneal covering (correct)
Correct. The absence of peritoneum permits direct extension through the diaphragm.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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