- Etiology: thymus shrinks due to stress (pneumonia, steroid therapy, chemotherapy, radiation therapy, surgery, burns), returns to normal or increased size when patient recovers over several months, is normal microscopically
- Imaging: thymus disappears, then reappears but stops growing when it reaches its normal size, has homogenous appearance
- DDX: recurrent tumor in a patient with an anterior mediastinal tumor
Radiology Cases of Thymus Rebound
