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What is the most common location of a pancreatic pseudocyst?
Suggested Answer: A
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Pancreatic pseudocysts most commonly develop in the lesser sac, which lies between the posterior wall of the stomach and the anterior surface of the pancreas. This space allows for the accumulation of pancreatic fluid collections following pancreatitis or pancreatic ductal disruption.
The left anterior pararenal space (B) is a secondary location.
The right subdiaphragmatic space (C) and left pericolic gutter (D) are less common sites.
Reference Extracts:
Mortele KJ, Wiesner W, et al. 'Pancreatic pseudocysts: imaging features and diagnostic difficulties.' Radiographics. 2004;24(4):1005-1020.
Rumack CM, Wilson SR, Charboneau JW, Levine D. Diagnostic Ultrasound. 5th ed. Elsevier, 2017.
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12 comments · newest first
PE
Peter
1 month ago
I’m leaning towards B) Left anterior pararenal space. But A makes sense too.
DI
Dion
1 month ago
I agree, A) Lesser sac is common for pseudocysts.
LI
Lilli
1 month ago
I think it's A) Lesser sac. Seems logical.
KA
Karma
2 months ago
Really? I always thought it was more common in the right subdiaphragmatic space.
SH
Shawana
2 months ago
Lesser sac is definitely the most common, no doubt about it.
JA
Jaime
2 months ago
Wait, I thought it could be in the left anterior pararenal space too?
GL
Glynda
2 months ago
Totally agree, lesser sac is the spot.
MO
Monroe
2 months ago
It's usually in the lesser sac!
CH
Chauncey
2 months ago
I’m pretty confident it’s the lesser sac, but I also recall something about the right subdiaphragmatic space being involved in some cases.
FR
Freeman
3 months ago
I’m torn between the lesser sac and the left anterior pararenal space. I wish I had reviewed this topic more thoroughly.
DA
Dalene
3 months ago
I remember practicing a question about pancreatic complications, and I feel like the left anterior pararenal space was mentioned there.
CE
Celestina
3 months ago
I think the lesser sac is the most common location for pancreatic pseudocysts, but I’m not completely sure.