Most common intraocular metastasis in females are from which of the following primary tumor?
**Core Concept**
The most common intraocular metastasis in females typically originates from a primary tumor that has a high propensity for metastasis. In females, **breast cancer** is a leading cause of metastatic disease due to its relatively high incidence.
**Why the Correct Answer is Right**
The correct answer is related to the fact that **breast cancer** is one of the most common cancers in women and has a tendency to metastasize to various parts of the body, including the eye. The metastasis occurs through the bloodstream, and the eye, particularly the **choroid**, is a common site due to its high blood flow.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because while lung cancer is a common source of metastasis, it is more typical in males.
**Option B:** Incorrect as it is not specified, but typically, other options like gastrointestinal cancers are less common sources of intraocular metastasis in females.
**Option D:** Incorrect because, similar to option B, it does not represent the most common primary tumor for intraocular metastasis in females.
**Clinical Pearl / High-Yield Fact**
It's crucial to remember that **breast cancer** and **lung cancer** are the most common sources of intraocular metastasis in adults, with breast cancer being more prevalent in women.
**Correct Answer:** D. Breast cancer