Oncology

Question 1

Neuroblastoma

Answer 1

Neural crest tumor arising from the adrenal medulla or sympathetic chain

Less than 2yo abdominal mass, periorbital ecchymoses, opsoclunus-myoclus syndrome

Elevated catecholamine metabolites

Small round blue cells on histology
N-myc gene amplification

Question 2

Nipple bleeding

Answer 2

Inraductal papilloma