prostate treatments

• Prostate PTV: 70.2 Gy• Nodal PTV: 52 Gy

With TomoTherapy you get the best of both worlds: Target homogeneity with exceptional RAR sparing

45

73.71

70.2

60

52

35

• Highly-homogeneous Dose

• Excellent bladder and rectal sparing

• Excellent small bowel sparing

• PTV: 76 Gy• Rectum V50 = 31Gy• Bladder V50 = 23.5 Gy

• Acquire daily CT

• Automated image fusion

• Manually adjust to align target

• Overlay plan contours and/or dose

• Apply shifts as needed

• Begin treatment

Prostate with Nodes

Prostate and Seminal Vesicles

39

79.56

78

74.1

58.5

• Highly-homogeneous dose• Excellent bladder and rectal sparing

Auto registered image

Manually adjusted image

Daily CT-guided RT in standard time slots

Green = Daily CTGrey = Plan CT

Hi·Art® Treatment System Case Study

M-C

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22-0

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