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General Surgery · Hernia and abdominal wall: reduction en masse
Sample itemA 70-year-old man with a painful irreducible inguinal hernia is treated by forceful manipulation elsewhere and the lump disappears. Severe pain, vomiting and obstruction persist with no swelling to be felt in the groin. What has occurred?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Reduction en masse
In reduction en masse, the sac with its constricting neck is pushed back into the abdominal wall or preperitoneal space, so the lump vanishes but the strangulation continues. It needs urgent laparotomy. Forceful taxis of a tender irreducible hernia is therefore discouraged.
Option by option
A. Pantaloon hernia
A pantaloon hernia has sacs on both sides of the inferior epigastric vessels and is not a result of manipulation.
B. Richter hernia
Richter hernia traps part of the bowel wall and a lump is still present.
C. Maydl hernia
Maydl hernia has two loops in the sac and the connecting loop in the abdomen, and the lump remains.
D. Reduction en masse (correct)
Correct. The sac and its tight neck are pushed back together, so the strangulated bowel remains trapped without a visible lump.
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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