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Pathology

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Hematology

Question
9 out of 16
 

A17-year-old boy presented with TLC of 138x 109/ L with 80% blasts on the peripheral smear. Chest X-ray show a large mediastinal mass. Immunophenotyping of this patent's blasts would most likely demonstrate: (LQ)



A No surface antigens (null phenotype)

B An immature T cell phenotype (Tdt/CD34/CD7 positive)

C Myeloid markers, such as CD 13,CD33 and CDl5

D B cell markers, such as CD19,CD20 and CD22

Ans. B An immature T cell phenotype (Tdt/CD34/CD7 positive)

Hematology Flashcard List

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