CTICasesBronchogenic Cyst in the Interatrial Septum
Imaging findings
A small, discrete lesion located in the interatrial septum, not visible on plain films. MRI showed high T1 signal intensity, brighter than fat, and moderate T2 intensity.
Key takeaways
While rare, bronchogenic cysts can occur in atypical locations like the heart (intrapericardial) and diaphragm. These entities can be identified by their signal characteristics on MRI, despite the embryological mystery of their location.
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