Most common cause of mass in posterior mediastinum in children -

Ans. is 'd' i.e., Neuroblastoma "Most common posterior mediastinal masses in children are neurogenic tumors". -- www.merck.com. Posterior mediastinal mass in children I) Neurogenic tumors (Most common) 2) Foregut cyst (Second most common) 3) Lymphoma (Third most common) 4) Germ cell tumors 5) Lymphangiomas and agiomas Mediastinal neurogenic tumors are Mediastinal neuroblastoma Ganglioneuroma Ganglioneuroblastoma Schwannoma Mediastinal pheochromocytoma