In a case of Dysgerminoma of ovary one of the following tumor markers is likely to be raised :
**Core Concept**
Dysgerminoma of the ovary is a type of germ cell tumor, and like other cancers, certain tumor markers are associated with it. These markers are substances that can be found in higher-than-normal amounts in the blood, urine, or tissues of patients with specific types of cancer.
**Why the Correct Answer is Right**
The correct answer is associated with the fact that Dysgerminomas are known to produce **Human Chorionic Gonadotropin (hCG)**, a hormone that can be detected in the blood and is used as a tumor marker for this condition. This is because Dysgerminomas can sometimes contain syncytiotrophoblastic cells, which are known to produce hCG.
**Why Each Wrong Option is Incorrect**
**Option A:** This is incorrect because while **LDH (Lactate Dehydrogenase)** can be elevated in various conditions, it is not the most specific marker for Dysgerminoma.
**Option B:** and **Option C:** and **Option D:** are not specified but typically, other tumor markers like **AFP (Alpha-Fetoprotein)** and **CEA (Carcinoembryonic Antigen)** are not characteristically elevated in Dysgerminoma.
**Clinical Pearl / High-Yield Fact**
It's crucial to remember that **hCG** levels can be elevated in Dysgerminoma, which helps in diagnosing and monitoring the treatment of this condition.
**Correct Answer:** D. hCG