**Core Concept**
Reiter's syndrome, also known as reactive arthritis, is a type of arthritis that occurs as a reaction to an infection elsewhere in the body, typically in the gastrointestinal tract or the urethra. It is characterized by a combination of arthritis, urethritis, and conjunctivitis. The underlying principle being tested is the classic triad of symptoms associated with Reiter's syndrome.

**Why the Correct Answer is Right**
Since the options are not provided, let's discuss the general approach to Reiter's syndrome. The correct answer would be a symptom or condition that is not typically seen in Reiter's syndrome. Reiter's syndrome is known for its association with **HLA-B27**, a genetic marker that increases the risk of developing the condition. The syndrome often presents with arthritis, urethritis, and conjunctivitis, as well as other symptoms like mucocutaneous lesions.

**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific option, it's challenging to provide a detailed explanation. However, if Option A were a common symptom of Reiter's syndrome, it would be incorrect because the question asks for what is not seen.
**Option B:** Similarly, without the specific details, we can't assess its accuracy directly.
**Option C:** and **Option D:** would follow the same logic, where if they are typical manifestations of Reiter's syndrome, they would not be the correct answer to this question.

**Clinical Pearl / High-Yield Fact**
A key point to remember about Reiter's syndrome is its association with **HLA-B27** and its classic triad of symptoms: arthritis, urethritis, and conjunctivitis. This condition is a form of reactive arthritis, highlighting the importance of identifying the triggering infection.

**Correct Answer:** D. Rheumatoid Nodules.