Abdominal Abscess

"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?

 

 

CT scan in a patient with Sub diaphragmatic abscess
post splenectomy 

  • 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).

Renal abscess

CT shows a large mass in the left renal area with multiple air pockets and absence of functioning renal parenchyma.

 

Appendiceal abscess

CT Post Contrast:

  • Arrows point to the inflammatory mass in the right lower quadrant with an air pocket indicating an abscess.
  • Mass demonstrates contrast enhancement.
  • Calcification seen within the mass probably represents an appendicolith.

 

Pancreatic abscess

Diffusely enlarged pancreas with air pockets.