UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0527

Question:
A 4 year old boy has the sudden onset of bone pain. He begins experiencing bleeding of his gums and frequent bloody noses. His mother takes him to his pediatrician. On physical examination, he is pale and has numerous petechiae over his body. He is found to have lymphadenopathy and hepatosplenomegaly. He has a white blood count of 100,000 mm and numerous circulating blast cells. He is admitted to the hospital. A bone marrow biopsy is done which shows 35 per cent blast cells. Which of the following is most likely?

a) Burkitt lymphoma
b) acute lymphoblastic leukemia
c) mycosis fungoides
d) hairy cell leukemia
e) acute myelogenous leukemia