54 在設計治療計畫時為維持劑量均勻度,最好將腫瘤內的熱區(hot spot)盡可能控制在多少%內?
(A)3
(B)5
(C) 10
(D) 20
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統計: A(16), B(48), C(39), D(2), E(0) #1104727
統計: A(16), B(48), C(39), D(2), E(0) #1104727
詳解 (共 3 筆)
#3460005
Hot spot
- Hot spot is an area outside the target that receivesna higher dose than the specified target dose
- A hot apt is considered clinically meaningful only ifnit covers an area of at least 2cm2。
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”ThenPhysics of Radiation Therapy”, 3rd edition, P.225
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