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Old 06-17-2011
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Question Neoplasm association case

A 15-year-old boy is brought to the physician, because he has been limping on his left leg for the last 6 months. His left leg is painful and it is difficult for him to bear weight through it. The pain is constant and worse at night. He has a previous history of malignancy. Physical examination reveals a palpable mass with associated warmth over the distal femur. An X-ray reveals a sunburst pattern of diffuse bone spicules at the distal femur. What previous neoplasm did this patient most likely have?

Answer Choices
A. Acute lymphocytic leukemia
B. Astrocytoma
C. Non-Hodgkin lymphoma
D. Retinoblastoma
E. Wilms tumor
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