**Core Concept**
Wimberger ring sign is a radiological finding characterized by a ring-like appearance of the epiphyseal center of ossification in the metaphysis of long bones. This sign is observed in conditions that affect bone growth and mineralization.

**Why the Correct Answer is Right**
Scurvy, caused by vitamin C deficiency, leads to impaired collagen synthesis and bone growth. The epiphyseal center of ossification, which is rich in cartilage, is particularly affected, resulting in the characteristic Wimberger ring sign. This sign is a result of the calcification of the cartilaginous matrix, which appears as a ring-like structure on radiographs.

**Why Each Wrong Option is Incorrect**
**Option A:** Rickets is a condition caused by vitamin D deficiency, leading to softening of bones. While rickets affects bone growth, it does not typically result in the Wimberger ring sign.
**Option C:** Secondary syphilis can cause a variety of bone lesions, but the Wimberger ring sign is not a characteristic finding.
**Option D:** Tuberculosis can affect bones and joints, causing lesions and destruction. However, the Wimberger ring sign is not typically associated with TB.

**Clinical Pearl / High-Yield Fact**
The Wimberger ring sign is a classic radiological finding in scurvy, and its presence should raise suspicion for vitamin C deficiency in pediatric patients.

✓ Correct Answer: B. Scurvy