CTICasesAnterior Mediastinal Bronchogenic Cyst
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Imaging findings
CT showed a predominantly cystic-looking anterior mediastinal lesion with a thick rim and possible fat in the wall. MRI demonstrated a relatively bright T2 signal with some intermediate signal areas, but no appreciable fat on T1. The wall showed enhancement and areas of hemorrhage and bleeding.
Key takeaways
The initial pathology report suggested a teratoma due to the presence of cartilage, but re-review by a chest pathologist confirmed a large bronchogenic cyst. Large bronchogenic cysts can contain respiratory cartilage and mucus glands in their walls, which can be a diagnostic pitfall.
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