A tennis player presented with pain and tenderness at the lateral epicondyle of the humerus. These findings are consistent with the diagnosis of: September 2011
**Core Concept**
The underlying principle being tested is the diagnosis of a common condition affecting the elbow, specifically involving the **lateral epicondyle of the humerus**. This condition is often related to overuse or repetitive strain injuries. The **musculoskeletal system**, particularly the **tendons** and **epicondyles**, is involved.
**Why the Correct Answer is Right**
The correct diagnosis is **lateral epicondylitis**, also known as **tennis elbow**. This condition is characterized by pain and tenderness at the **lateral epicondyle**, which is the bony bump on the outside of the elbow. It occurs due to inflammation of the **extensor tendons** that attach to the **lateral epicondyle**.
**Why Each Wrong Option is Incorrect**
**Option A:** Not provided, assuming incorrect or not relevant to the condition described.
**Option B:** Not provided, assuming incorrect or not relevant to the condition described.
**Option C:** Not provided, assuming incorrect or not relevant to the condition described.
**Option D:** Not provided, assuming incorrect or not relevant to the condition described.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that **lateral epicondylitis** is often treated with **conservative management**, including rest, ice, and physical therapy. It's essential to differentiate it from other elbow conditions, such as **medial epicondylitis** (golfer's elbow), which affects the inner aspect of the elbow.
**Correct Answer:** D. Tennis elbow.