Colon_Sigmoid
Category:
Bowel
Description:
Large bowel - Sigmoid colon
Model: TSGyneOrgans
CT
Model Information
Metrics
Delineation Information
Guidelines
PROPARA Trial Guidelines
Method
Delineated as a single structure starting from the level of the rectum to the level of the descending colon
Structure Boundaries
Cranial Boundary
At the level where the descending colon turns medially into the peritoneal cavity and becomes the sigmoid colon
Caudal Boundary
At the level where the rectum turns anteriorly.
Medial Boundary
Entire exterl contour of the sigmoid colon
Lateral Boundary
Entire exterl contour of the sigmoid colon
Ventral Boundary
Entire exterl contour of the sigmoid colon
Dorsal Boundary
Entire exterl contour of the sigmoid colon