Gender identity disorder (GID) is characterized by intense and persistent cross-gender identification and discomfort with one’s own sex. In early school-age children, the manifestation that is LEAST likely considered as GID is

Gender identity disorder (GID) is characterized by intense and persistent cross-gender identification and discomfort with one’s own sex. In early school-age children, the manifestation that is LEAST likely considered as GID is

Chemotherapy has a major role in many childhood CNS tumors. In which of the following tumors is chemotherapy not effective?

Osteosarcoma is the most common primary malignant bone tumor in children and adolescents; it has multiple subtypes and requires different modalities of treatment including surgery and chemotherapy. Of the following, the subtype of osteosarcoma which is treated by surgery alone is

A 9-year-old boy develops acute myelogenous leukemia (AML) one year after completion of therapy for soft tissue sarcoma at his right thigh. Which of the following chemotherapeutic agents is MOST likely the cause of secondary acute myelogenous leukemia AML in this boy?

Which manifestation is more specific to occur in anaplastic large cell lymphoma (ALCL) than other types of non-Hodgkin lymphoma?