[P-35] A case report of giant posterior mediastinal ganglioneuroma in a 4-year-old girl

Ganglioneuroma is a rare (one per million population), differentiated, benign neurogenic tumour which originates from the neuroepithelium along the sympathetic ganglia. Most ganglioneuromas are thought to develop de novo rather than by maturation of a preexisting neuroblastoma, and are usually found in the posterior mediastinum and retroperitoneum....