Color of tuberous sclerosis lesions on wood lamp examination –
**Core Concept**
The question tests the student's knowledge of **tuberous sclerosis**, a genetic disorder characterized by the growth of numerous non-cancerous tumors in various parts of the body, and the use of **Wood's lamp examination**, a diagnostic tool used to detect certain skin conditions.
**Why the Correct Answer is Right**
Tuberous sclerosis lesions, specifically **ash-leaf spots** and **adenoma sebaceum**, exhibit a distinct appearance under Wood's lamp examination. The correct answer choice should reflect the typical coloration of these lesions when viewed under ultraviolet light.
**Why Each Wrong Option is Incorrect**
**Option A:** This choice is incorrect because tuberous sclerosis lesions do not typically appear this color under Wood's lamp examination.
**Option B:** This option is also incorrect as it does not accurately describe the color of tuberous sclerosis lesions under ultraviolet light.
**Option D:** This choice is incorrect because it is not the characteristic color associated with tuberous sclerosis lesions when examined with a Wood's lamp.
**Clinical Pearl / High-Yield Fact**
It's essential to remember that **ash-leaf spots** in tuberous sclerosis appear as **hypopigmented macules** and may fluoresce under Wood's lamp, aiding in diagnosis.
**Correct Answer:** Correct Answer: C. White or Pale