A 2-year-old male child has an asymptomatic right flank mass discovered incidentally by the mother while bathing. Suspicion of Wilms tumor is raised. Of the following, the LEAST likely investigation to be performed in this child is

A 2-year-old male child has an asymptomatic right flank mass discovered incidentally by the mother while bathing. Suspicion of Wilms tumor is raised. Of the following, the LEAST likely investigation to be performed in this child is

You are evaluating a 9-year-old boy child with ALL who recently develops relapse; an important statement that should be mentioned to his parents is

Small round blue cell tumors refer to all the following EXCEPT

A 9-mo-old infant is recently diagnosed with bilateral retinoblastoma; examination under anesthesia reveals bilateral multifocal involvement of the retina. An important next step in the management is

After receiving an immunization for pediatric diphtheria, tetanus, and acellular pertussis (DTaP), a patient develops swelling and tenderness at the injection site, a low-grade fever, and malaise. The pediatric nurse informs the patient's parents that: