An Interesting Finding of Ebstain-Barr Virus Infection in theBone Marrow: Mott Cell

4 year old boy visited to our hospital with a prolonged fever, fatigue and runny nose. An interesting finding of his bone marrow aspiration did show a Mott cell which let us to think a possible viral infection. Ebstein-Barr Virus (EBV) serology and polymerase chain reaction (PCR) were both positive. A diagnosis of EBV was made.