A 17 year old boy presented with TLC of 138 x 109/L with 80% blasts on the peripheral smear.Chest X-ray demosnstrated a large mediastinal mass.Immunophenotyping of this patient's blasts would most likely demonstrate -

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TuteeHUB · Accepted Answer

No surface antigens ( phenotype)

TuteeHUB · Answer

Myeloid markers, such as CD13, CD33 and CD15

TuteeHUB · Answer

B cell markers, such as CD19, CD20 and CD22

TuteeHUB · Answer

An immature T cell phenotype (Tdt/D34/CD7 positive)

1.	A 17 year old boy presented with TLC of 138 x 109/L with 80% blasts on the peripheral smear.Chest X-ray demosnstrated a large mediastinal mass.Immunophenotyping of this patient's blasts would most likely demonstrate -
A.	Myeloid markers, such as CD13, CD33 and CD15
B.	B cell markers, such as CD19, CD20 and CD22
C.	No surface antigens ( phenotype)
D.	An immature T cell phenotype (Tdt/D34/CD7 positive)
Answer» C. No surface antigens ( phenotype)

A 17 year old boy presented with TLC of 138 x 109/L with 80% blasts on the peripheral smear.Chest X-ray demosnstrated a large mediastinal mass.Immunophenotyping of this patient's blasts would most likely demonstrate -

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