Upper GI 2017

Anatomical subsites

1. Cervical oesophagus (C15.0 )

begins: lower border of the cricoid cartilage ends:

thoracic inlet (suprasternal notch). 18 cm distal upper incisor teeth

2. Intrathoracic oesophagus (C15.3-5 )  Upper: begins: thoracic inlet (about 18 cm) ends: tracheal bifurcation (about 24 cm)  Mid: begins: tracheal bifurcation (about 24 cm) ends: 32 cm distal upper incisor teeth  Lower: About 8 cm long and includes abdominal oesophagus. Ends about 40 cm. 3. Oesophago-gastric junction (C16.0)

Definition of oesophago-gastric junction: There is no universally agreed definition!

For histologists: junction of squamous epithelial cells to cylindric epithelial cell of the stomach For surgeons: passage through the diaphragm For gastroenterologists: junction at the beginning of proximal gastric folds In Japan: at the distal end of palisade venes

Japanese Classification of Esophageal Cancer, 11 edition Esophagus, (2017) 14:1-65

Institute of Pathology | Alexander Quaas

Gastrointestinal Cancer Group Cologne (GCGC)