"Collection of pus".
It can be in any organ or abdominal cavity based on the etiology
What are the imaging findings of intra abdominal abscess?
- Abnormal fluid collection, usually with air seen outside the lumen of the bowel.
- Periphery may enhance with intravenous contrast material.
CT scan in a patient with Subdiaphragmatic abscess
- The arrow points to multiloculated thick walled fluid collection in the left upper quadrant of the abdomen.
- Note the absence of spleen.
IVP in a patient with Renal abscess
- 40 year old man with fever and diarrhea for two weeks duration. He has infected urine.
- IVP shows functioning right kidney (black arrowhead).
- No function noted in the left kidney.
- Air pockets seen in the left flank (white arrowheads).
CT shows a large mass in the left renal area with multiple air pockets and absence of functioning renal parenchyma.