Medical MCQ - An 8 year old boy presented with fever and bilateral cervical lymphadenopathy with prior history of sore throat. There was no hepatomegaly. The peripheral blood smear shows > 20% lympho-plasmacytoid cells. The most likely diagnosis is -

An 8 year old boy presented with fever and bilateral cervical lymphadenopathy with prior history of sore throat. There was no hepatomegaly. The peripheral blood smear shows > 20% lympho-plasmacytoid cells. The most likely diagnosis is –

Influenza

Tuberculosis

Infectious mononucleosis

Acute lymphoblastic leukemia

Question Category:

Pediatrics

Correct Answer:

Tuberculosis

Description:

Ans. is 'b' i.e., Infectious Mononucleosis Infectious mononucleosis Infectious mononucleosis : Is the most characteristic disease produced by Epstein Barr Virus Clinical features : o Most infections are asymptomatic. o Headache, Abdominal pain, chills also seen in few casees. o Fever, malaise, sore throat, (exudative pharyngitis), loss of appetite o Generalized lymphadenopathy : Posterior and anterior cervical LN are almost always enlarged. Splenomegaly is found in 50-75% cases while hepatomegaly is found only in 30% cases. o Maculopapular rash. Laboratory findings : a. Atypical Lymphocytosis : Comprising over 10% of total lymphocytes at some time in the illness. b. Paul Bunnel test is positive c. Monospot test is the screening test

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