**Core Concept**
The "eye of the tiger" sign is a radiological finding observed in abdominal imaging, particularly on CT scans. It is a specific pattern of fat stranding and enhancement in the periphery of a lesion, surrounded by a clear center, resembling the eye of a tiger. This sign is associated with a particular condition characterized by inflammation and necrosis.
**Why the Correct Answer is Right**
The "eye of the tiger" sign is classically associated with a hepatic abscess. The abscess forms a well-defined area of low attenuation (due to pus) surrounded by a rim of enhancement (due to inflammation and congestion). The clear center is due to the liquefied pus within the abscess, while the peripheral enhancement is due to the host's inflammatory response. The presence of this sign suggests the presence of a complex fluid collection with surrounding inflammation.
**Why Each Wrong Option is Incorrect**
**Option A:** The "eye of the tiger" sign is not typically associated with a simple hepatic cyst, which would not have the characteristic peripheral enhancement and inflammation seen in an abscess.
**Option B:** While a liver infarct may show some enhancement, it would not have the characteristic "eye of the tiger" appearance due to the lack of a clear center and surrounding inflammation.
**Option C:** A liver hemangioma may show some enhancement, but it would not have the characteristic peripheral enhancement and inflammation seen in an abscess.
**Clinical Pearl / High-Yield Fact**
The "eye of the tiger" sign is a classic radiological finding in hepatic abscesses, and its presence should prompt further investigation and treatment to prevent complications.
**Correct Answer: C. Hepatic abscess.**
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