Siewert classification
Gastroenterology and hepatology
Also known as: Siewert-Klassifikation (AEG) · Siewert sınıflaması · Siewert classification of adenocarcinoma of the oesophagogastric junction
What it is for
Anatomical classification of adenocarcinoma of the oesophagogastric junction (AEG) by the position of the tumour centre relative to the anatomical cardia (gastro-oesophageal junction).
Classification
| Category | Description |
|---|---|
| Type I | tumour centre 1–5 cm above the cardia (adenocarcinoma of the distal oesophagus) |
| Type II | tumour centre from 1 cm above to 2 cm below the cardia (true carcinoma of the cardia) |
| Type III | tumour centre 2–5 cm below the cardia (subcardial gastric carcinoma) |
Source
Classification of adenocarcinoma of the oesophagogastric junction
Br J Surg 1998;85:1457–1459 (Siewert JR, Stein HJ)
DOI: 10.1046/j.1365-2168.1998.00940.x
PMID: 9823902
- Edition
- Siewert and Stein 1998 (first proposed 1987), in current use
- Checked on
Summary of the published classification in our own words. Not a substitute for the original publication.
A question about this classification?
Medelix answers clinical questions from guidelines and studies – every statement with its source.