Which of the following liver metastasis appear hypoechoic on Ultrasonography –
**Core Concept**
Liver metastasis can appear differently on ultrasonography based on their tissue characteristics and the primary tumor. The **echotexture** of the metastasis, whether **hypoechoic**, **hyperechoic**, or **isoechoic**, is crucial for diagnosis.
**Why the Correct Answer is Right**
Since the correct answer is not specified, let's discuss a general principle: metastases from certain primary sites, like the **colon** or **breast**, can appear **hypoechoic** due to their higher cellular density and less fatty content compared to the surrounding liver tissue.
**Why Each Wrong Option is Incorrect**
**Option A:** Without knowing the specific option, we can't comment.
**Option B:** Similarly, without the option, we cannot provide a reason.
**Option C:** And option C is also unknown.
**Option D:** The same applies to option D.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that **liver metastases** from **colorectal cancer** often appear **hypoechoic** or **target-like** on ultrasonography.
**Correct Answer:** Correct Answer: D. Colorectal metastasis