Which clinical finding is classically associated with rubella infection in children?

Which clinical finding is classically associated with rubella infection in children?

• A. Postauricular lymphadenopathy
• B. Koplik spots
• C. Purpura
• D. Strawberry tongue

Answer: (A)

Rubella infection in children is classically marked by prominent postauricular (and occipital) lymphadenopathy, often along with a mild fever and a maculopapular rash that starts on the face and spreads downward. The swollen lymph nodes behind the ears are particularly characteristic for rubella and help distinguish it from other exanthems. Koplik spots, by contrast, are pathognomonic for measles and appear on the mucosa before the rash. Purpura is not a typical feature of rubella and suggests other conditions such as a bleeding disorder or vasculitis. Strawberry tongue is more characteristic of scarlet fever and Kawasaki disease, not rubella. Therefore, the postauricular lymphadenopathy best fits rubella.

Rubella infection in children is classically marked by prominent postauricular (and occipital) lymphadenopathy, often along with a mild fever and a maculopapular rash that starts on the face and spreads downward. The swollen lymph nodes behind the ears are particularly characteristic for rubella and help distinguish it from other exanthems. Koplik spots, by contrast, are pathognomonic for measles and appear on the mucosa before the rash. Purpura is not a typical feature of rubella and suggests other conditions such as a bleeding disorder or vasculitis. Strawberry tongue is more characteristic of scarlet fever and Kawasaki disease, not rubella. Therefore, the postauricular lymphadenopathy best fits rubella.