Question:
A 20-year-old patient presents with a non-progressive hypopigmented lesion on the trunk. On Wood's lamp examination, there is white accentuation. Diascopy is negative. What is the most likely diagnosis?
A 20-year-old patient presents with a non-progressive hypopigmented lesion on the trunk. On Wood's lamp examination, there is white accentuation. Diascopy is negative. What is the most likely diagnosis?
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Non-progressive hypopigmented patch with negative diascopy suggests nevus depigmentosus.
Updated On: May 14, 2026
- Vitiligo
- Nevus depigmentosus
- Nevus anemicus
- Indeterminate leprosy
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The Correct Option is B
Solution and Explanation
Concept:
Nevus depigmentosus is a stable, non-progressive hypopigmented patch. It is usually present from early life and does not show the progressive depigmentation seen in vitiligo.
Step 1: Identify key clinical clue.
The lesion is: \[ \text{Non-progressive hypopigmented lesion} \]
Step 2: Differentiate from nevus anemicus.
Diascopy is negative, which helps rule out nevus anemicus.
Step 3: Choose diagnosis.
The most likely diagnosis is: \[ \text{Nevus depigmentosus} \]
Step 1: Identify key clinical clue.
The lesion is: \[ \text{Non-progressive hypopigmented lesion} \]
Step 2: Differentiate from nevus anemicus.
Diascopy is negative, which helps rule out nevus anemicus.
Step 3: Choose diagnosis.
The most likely diagnosis is: \[ \text{Nevus depigmentosus} \]
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