Attacks of flushing and cyanosis occur in which type of ovarian tumors :
**Core Concept**
Ovarian tumors can be classified based on their histological characteristics and clinical behavior. Certain types of ovarian tumors are associated with specific clinical manifestations due to the production of hormones or other substances.
**Why the Correct Answer is Right**
The correct answer is related to the production of catecholamines by a specific type of ovarian tumor. Catecholamines are hormones that can cause vasoconstriction, leading to cyanosis, and also stimulate the release of histamine, resulting in flushing. This type of tumor is known as a **malignant paraganglioma**, which is a rare type of sex cord-stromal tumor that can produce catecholamines.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it does not specify a type of ovarian tumor associated with catecholamine production.
* **Option B:** This option is incorrect because it does not describe the clinical manifestations of catecholamine production.
* **Option C:** This option is incorrect because it does not accurately describe the type of ovarian tumor associated with catecholamine production.
**Clinical Pearl / High-Yield Fact**
It's essential to remember that malignant paragangliomas can be challenging to diagnose due to their rare nature and non-specific clinical presentation. A high index of suspicion and thorough diagnostic workup, including imaging studies and biochemical tests, are necessary to establish the diagnosis.
**Correct Answer:** C.