Radiotherapy and Oncology

Study data from Princess Margaret Hospital update understanding of radiotherapy and oncology

Published in Cancer Weekly, March 4th, 2008

In this recently published article, scientists in Hong Kong, People's Republic of China conducted a study "To develop a dose-volume-based Plan Quality Index for IMRT plans. This study used a H(ealthy) Tissue Conformity Index to describe the overall plan conformity, a M(erit) function to describe the target coverage and a P(enalty) function to evaluate doses to critical organs."

"The Euclidean distance (PQI) between (H, M, P) and (1, 1, 1) represented the quality of a treatment plan. By checking the polarity of each term in M and P, one might conclude if the plan was satisfied with the given treatment protocol. Ten prostate plans (3-DCRT and IMRT) and 20 NPC IMRT plans...

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Source: Cancer Weekly (2008-03-04)

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