The patient was referred for staging FDG PET/CT imaging of his known esophageal squamous cell cancer ... However, it is important to remember that normal structures in the head and neck region ...

Barrett's esophagus (BE) is a condition in which part of the normal esophageal squamous epithelium is replaced by a metaplastic columnar epithelium as a result of chronic gastroesophageal reflux.

At that time, the dominant hypothesis for Barrett's was that acid reflux triggers the esophageal stem cells to make intestine cells rather than normal esophageal tissue. However, McKeon and Xian ...