1026 / 1983
EBRO
2017
Diagnostic work-up
T and N staging: EUS
•
Endoscopic Ultrasound is able to delineate the layers of the
oesophageal wall
•
More accurate staging of tumours confined within the wall (<T3)
•
Accuracy:
T staging 60%
N Staging 74%
T1 80%
FNA citology can improve accuracy for N
1. Superficial mucosa (hyperechoic)
2. Deep mucosa (hypoechoic)
3. Submucosa (hyperechoic)
4. Muscularis propria (hypoechoic)
5. Adventitia (hyperechoic)