Definition:

• Triangular in shape

Comments:

• Applies to observations that are roughly triangular in shape in one or more planes.
• Such observations frequently are peripherally located within the liver.
• Borders may be:
  • Well-defined or ill-defined
  • Straight, concave, or convex
• Depending on their orientation to the imaging plane, some observations may appear rounded in the imaging plane plane but wedge shaped in a reformatted image.