Case: 2 years old girl from Spain has been in fever over a week. She is very tired and crying a lot. In primary health care center basic blood count, peripheral blood smear and CRP was taken. CRP was 12 mg/L. In BBC leukocytes were: 17,0 x 10E3/μL, etytrocytes 4,2 x 10E6/μL and Hb 100 g/L. Blood smear was seent to central laboratory and the findings are in the image below. Those mononuclear cells covered 70% of all leukocytes in the smear.
Can you identify these mononuclear cells?
Correct answer is below the image.
CORRECT ANSWER: Monocyte (left) and lymphocyte, LGL (right). Both cells are mature and normal. Monocyte is a little bit activated. This little girl has a flu. CRP is just above the decision limit and basci blood count parameters within the reference ranges of 2 year baby.