[Target-volume contours in radiotherapy. General principles].
Target volume delineation remains an important medical step for conformal radiotherapy. In this general presentation are discussed: the main difficulties for evaluation of gross tumor (GTV) and clinical target volume (CTV), the main recommendations for representation according to ICRU 62 report, differences observed during inter-observer volume comparisons.
Kantor
G
G
Institut Bergonié, service de radiothérapie, 229, cours de l'Argonne, 33076 Bordeaux, France. kantor@bergonie.org
Maingon
P
P
Mornex
F
F
Mazeron
J J
JJ
D006801:Humans; D008962:Models, Theoretical; D009369:Neoplasms / Q000473:pathology / Q000532:radiotherapy*; D015588:Observer Variation; D011880:Radiotherapy Planning, Computer-Assisted; D020266:Radiotherapy, Conformal / Q000295:instrumentation / Q000379:methods*