A rounded well-defined shadow was found in the costo-vertebral angle on the chest roentgenogram of an otherwise healthy 9-year-old girl. Make a preliminary diagnosis:

Answer options

1. Sympatoblastoma
2. Sarcoma of the vertebra
3. Ganglioneuroma
4. Sympatogonioma
5. Ganglioneuroblastoma

Explanation

Ganglioneuroma is a rare and benign tumor of the autonomic nerve fibers arising from neural crest sympathogonia, which are completely undifferentiated cells of the sympathetic nervous system. Ganglioneuromas can be diagnosed visually by a CT scan, MRI scan, or an ultrasound of the head, abdomen, or pelvis.