Neuroblastoma originates from: (A) Adrenals, (B) Mediastinum, (C) Chest wall, (D) Peripheral nerves
Answer is A. Neuroblastoma is a malignant tumor of the autonomic nervous system derived from the neural crest.The most common sites of primary tumours are the adrenals(30%),paraveebral retroperitoneum(28%),posterior mediastinum(15%),pelvis(5%) &cervical area. Reference:Essential pediatrics-Ghai,8th edition,page no:616.