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Thymolipoma

Imaging findings

A large fatty mediastinal mass spanning multiple compartments, exhibiting slow growth over 15 years. Histopathology confirmed thymolipoma, characterized by nests of thymic tissue embedded within mature adipose tissue.

Key takeaways

While fatty mediastinal masses are often liposarcomas, thymolipomas should be considered in the differential, especially when thymic elements are histologically present.

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