Pathology · single question
Which pathognomonic finding is associated with measles (rubeola)?
Show answer and explanation
Correct answer: C. Koplik spots
Koplik spots — small white/bluish spots on buccal mucosa — are pathognomonic for measles, appearing 2–3 days before the skin rash.
- A. ❌ Strawberry tongue is associated with scarlet fever and Kawasaki disease.
- B. ❌ Nikolsky sign is associated with pemphigus vulgaris.
- C. ✅ CORRECT – Koplik spots on buccal mucosa are pathognomonic for measles.
- D. ❌ Rose spots are associated with typhoid fever.