CTICasesMediastinal Fatty Mass (Potential Thymolipoma)
Imaging findings
A large, asymmetric fatty mass extending into the middle and posterior mediastinum, enveloping the SVC and azygos vein with minimal soft tissue components.
Key takeaways
Asymmetry makes simple mediastinal lipomatosis less likely; thymolipoma or low-grade liposarcoma are possibilities. Follow-up imaging is recommended to monitor for stability or metabolic changes.
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