Which chromosomal abnormality is often characteristic of infantile ALL?

Which chromosomal abnormality is often characteristic of infantile ALL?

Children with high-risk neuroblastoma have poor survival. Current treatment consists of all the following EXCEPT

Although children with Wilms tumor have a favorable prognosis, there are some adverse prognostic factors in children with Wilms tumor EXCEPT

You are examining an infant with multiple cutaneous hemangiomas; you suspect involvement of internal organs. The MOST common site of visceral involvement by hemangiomas is

You are examining a 12-year-old female adolescent with a small nevus in the thigh; the mother is concerned regarding the future development of melanoma. All the following findings raise suspicion of melanoma EXCEPT