History: abdominal pain x 1 week
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Answer: Encapsulated Fat Necrosis
Fat necrosis has many forms in the abomen - epiploic appendigitis, omental infarct, etc. This is good example of encpasulated fat necrosis where we see a nice enhancing thick rim with a central smudgy liquified appearance.
reference: nice review article from Radiographics: https://pubs.rsna.org/doi/full/10.1148/rg.317115046