A 35-Year-Old Woman with Dyspnea

Poll

A 35-year-old woman presents with symptoms of dyspnea.  Chest films detects the presence of an anterior mediastinal cystic mass. What is your diagnosis?

A 35-year-old woman presents with symptoms of dyspnea.  Chest films detects the presence of an anterior mediastinal cystic mass.

Based on the image shown, what is your diagnosis?

A. Seminoma
B. Langerhans cell histiocytosis
C. Multilocular thymic cyst (MTC)
D. Follicular dendritic cell sarcoma