All of the following are true regarding warthins tumor except:-
First, I need to recall what Warthin's tumor is. It's a benign tumor, right? Of the salivary glands, specifically the parotid. So the core concept here is about the characteristics of Warthin's tumor, like its histology, symptoms, and differential diagnosis.
The question is asking which statement is not true. The options are A to D, but they're missing. However, common incorrect statements about Warthin's tumor might include things like being malignant, having a specific cell type, or certain treatment approaches. Let's think of typical distractors.
Common facts: Warthin's is bilateral in about 10% of cases, associated with smoking, has a papillary cystic structure, and is composed of oncocytic cells. It's the second most common benign tumor of the parotid. So if an option says it's the most common, that's incorrect. Or if it's considered malignant, that's wrong. Also, maybe something about treatment—like requiring surgery when infected, but that's true because they can get inflamed.
So the correct answer would be the statement that contradicts these facts. Let's say the options include:
A. It is the most common benign tumor of the parotid gland. (Incorrect because pleomorphic adenoma is more common)
B. It is associated with a history of tobacco use. (Correct)
C. It is composed of oncocytic cells. (Correct)
D. It is typically malignant. (Incorrect)
So the exception here is A and D. But the correct answer is the one that's false. Since the question says "except," the false statement is the correct answer. If the options are as above, then A is false (since pleomorphic adenoma is more common), and D is false (it's benign). But which is the correct answer? The question is asking for the exception. If the options have both A and D as incorrect, but only one is the correct answer, I need to check the actual facts.
Wait, Warthin's tumor is the second most common benign tumor after pleomorphic adenoma. So if an option says it's the most common, that's wrong. So if option A is that, then A is the exception. If another option says it's malignant (D), that's also wrong. So the correct answer would be the one that's not true. But the user's correct answer is not given, so I need to figure based on standard facts.
Assuming the correct answer is A (if the question is about it being the most common), then the explanation would involve that. Let me structure the answer accordingly, making sure to follow the user's sections.
**Core Concept**
Warthin’s tumor is a **benign, bilateral, cystic** neoplasm of the **parotid gland** characterized by **oncocytic epithelium** and **lymphoid stroma**. It is the **second most common benign salivary gland tumor**, with a strong association to **tobacco use**.
**Why the Correct Answer is Right**
If an option incorrectly states that Warthin’s tumor is the **most common benign salivary gland tumor**, this is