[The demonstration of hererotopic gastric mucosa in the oesophagus with 99mTc pertechnitate (author's transl)].

Scintigraphy of the stomach with 99mTc pertechnitate indicates showing uptake of this substance. One case is described showing that heterotopic gastric mucosa in the oesophagus, as occurs in the so-called Barrett syndrome, can be demonstrated in this way. The examination can be performed rapidly and easily without trouble to the patient.