Age / Sex : 30 / M

Chief complaint : Abnormal finding on chest radiograph


What is your diagnosis?

Two weeks later, you can see the final diagonosis with a brief discussion of this case (Please submit only one answer).

Courtesy : 울산대학교병원 (Department of Radiology, University of Ulsan College of Medicine, Ulsan University Hospital, Ulsan, Korea)

Ganglioneuroma

Discussion

Findings

1.Chest radiograph shows a large mass in the right side of the posterior mediastinum with no rib destruction.

1)T2-weighted image: heterogeneous high signal intensity

2)T1-weighted image: intermediate to low signal intensity

3)Fat suppressed contrast-enhanced T1-weighted image: heterogeneous enhancement

1.Ganglioneuroma

2.Schwannoma / Neuroblastoma / Ganglioneuroblastoma

1.Guan YB, Zhang WD, Zeng QS, Chen GQ, He JX. CT and MRI findings of thoracic ganglioneuroma. Br J Radiol. 2012;85:e365-72.

2.Nakazono T, White CS, Yamasaki F, et al. MRI findings of mediastinal neurogenic tumors. AJR Am J Roentgenol. 2011;197:W643-52.

Forsythe A, Volpe J, Muller R. Posterior mediastinal ganglioneuroma. Radiographics. 2004;24:594-7