Barium studies of the oesophagus
Normal
Achalasia
Achalasia response to GTN
Achalasia and carcinoma
Carcinoma
Diffuse spasm
Nutcracker
Nutcracker response to GTN
Hiatus hernia
Schatzki's ring
Schatzki's ring and sliding hiatus hernia
Leiomyoma
Normal
Achalasia
Achalasia response to GTN
Achalasia and Carcinoma
Carcinoma
Diffuse spasm
Nutcracker
Nutcracker response to GTN
Hiatus hernia
Schatzki's ring
Schatzki's ring and sliding hiatus hernia
Leiomyoma
