Pathology · single question

Scarlet fever is caused by Group A Streptococcus and presents with all of the following EXCEPT:

  1. Pharyngitis and fever
  2. Sandpaper rash (fine erythematous exanthema)
  3. Strawberry tongue
  4. Koplik spots on the buccal mucosa
Show answer and explanation

Correct answer: D. Koplik spots on the buccal mucosa

  • A. Streptococcal pharyngitis with fever is the underlying infection triggering scarlet fever.
  • B. The sandpaper-like, erythematous skin rash starting at the trunk is characteristic of scarlet fever.
  • C. Strawberry tongue (initially white-coated, then bright red with prominent papillae) is a classic feature of scarlet fever.
  • D. Correct. Koplik spots are pathognomonic for MEASLES (rubeola), not scarlet fever. Scarlet fever does not produce Koplik spots.

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