Fig. 1
A patient pathologically confirmed anterior mediastinal cyst. a Round lesion located in the anterior mediastinum; b CT value of 50.73 HU in the unenhanced mediastinal window, CT value of 39.15 HU in the enhanced mediastinal window, even lower than the unenhanced CT value; c light microscopy of frozen section of a lesion stained, original magnification × 100 showing the ciliated columnar epithelium lining the lesion capsule