Duodenum
Category:
Gut
Description:
Small bowel - Duodenum
Model: TSGyneOrgans
CT
Model Information
Metrics
Delineation Information
Guidelines
PROPARA Trial Guidelines
Method
Delineated as a single structure from the level of the pylorus to the 4th part of the duodenum
Structure Boundaries
Cranial Boundary
At the level where the pylorus ends typically identified by presence of a thickening of the stomach wall or presence of an air bubble.
Caudal Boundary
At the level where the 4th part of the duodenum merges to the jejunum. This is typically marked by a constriction
Medial Boundary
Entire contour of the duodenum excluding the pancreas
Lateral Boundary
Entire contour of the duodenum
Ventral Boundary
Entire contour of the duodenum
Dorsal Boundary
Entire contour of the duodenum