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Case of the Week 616 
What is the most likely diagnosis?
- 23 year-old female with retrosternal discomfort
Contrast-enhanced Axial CT of Chest
- Lymphoma
- Teratoma
- Aortic dissection
- Pulmonary embolism
- Osteoblastic metastases
Additional Images - Coronal Reformatted CT Scan of Chest
Additional Images
Coronal Reformatted CT Scan of Chest
Answer:
2. Teratoma
More (Click Discussion Tab)
Teratoma
General Considerations
- Mediastinum is a rare site for occurrence of teratomas, most being ovarian in origin
- Arise from primitive germ cell rests
- Supposed to migrate along urogenital ridge to primitive gonad
- Journey is interrupted in the mediastinum
- May be solid or cystic
- Most are cystic
- Most are cystic
MORE . . .
.
This Week
23 year-old female with retrosternal discomfort |
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