HealthAugust 20, 2026
delineation
dih-LIN-ee-AY-shun
Definition
The act of describing or portraying something precisely, or in medical imaging, the act of tracing the exact boundaries and shape of a structure like a tumor.
Etymology
Derived from the Latin word 'delineare,' meaning 'to sketch out' or 'trace,' which is composed of 'de-' (completely) and 'lineare' (to create lines).
In the news
In the article, the term refers to methods used to define the boundaries of a tumor from medical images. This process is critical because different delineation techniques can produce different volume estimates, necessitating a way to check their reliability.
Technique Assesses Imaging Reliability in Medicine
Read the full article ↗Mirage News