BREAST CANCER | CLINICAL ADVANTAGES

BREAST CANCER | CLINICAL ADVANTAGES

Dose (GY)Vo

lum

e (%

)

100

90

80

70

60

50

40

30

20

10

0 10 20 30 40 5055

Lung L

Heart

Homeros

Breast R

Spinal Cord

Lung Tot

Body

Dose (GY)

Volu

me

(%)

100

90

80

70

60

50

40

30

20

10

0 5 10 15 2520 30 35

PTV Partial Breast

Rt Lung

Lt Lung

Heart

Rt Breast

Conformal, Homogeneous

CoverageBreast conserving

approach to whole right

breast radiotherapy

TomoDirect™

2 angles, 3DCRTTomoEDGE™

5 cm Dynamic JawsTreatment Planning Time

10 min.Beam-on-time

1.6 min.

TomoDirect™

4 angles, IMRTTomoEDGE™

5 cm Dynamic JawsTreatment Planning Time

20 min.Beam-on-time

2.6 min.

Improved Patient

ConvenienceAccelerated

partial breast

irradiation of the

left breast,

prone position

60.40

54.00

47.26

45.36

40.32

30.24

25.20

15.12

40.50

38.00

36.10

30.40

22.80

19.00

11.40

25 FRACTIONS, 50 Gy

10 FRACTIONS, 38 Gy

Treatment planning examples for a range of different breast radiotherapy indications. Treatment plans developed by Accuray

|

Reduced Margins and Accurate Patient Set-UpThe Radixact and TomoTherapy Treatment Delivery Systems provide the option of efficiently acquiring a CT image before each treatment. A very low dose (typically 1-2 cGy) is delivered per image. With practical daily imaging, planners gain the confidence necessary to reduce margins and therapists can assure accurate patient set-up throughout the course of treatment.

The Radixact™ and TomoTherapy® Treatment Delivery

Systems provide the flexibility to adapt radiation therapy

to any breast cancer patient’s anatomy, delivering

optimal coverage to the target volumes with minimized

cardiac dose and organ-at-risk exposure.

Treatment planning examples for a range of different breast radiotherapy indications. Treatment plans developed by Accuray

|

Dose (GY)

Volu

me

(%)

100

90

80

70

60

50

40

30

20

10

0 10 20 30 5040 6063

PTV 44

Boost

Mediatinum

CTV 44

Lung R

Lung L

Heart

Homeros

Breast R

Spinal Cord

Lung Tot

Dose (GY)

Volu

me

(%)

100

90

80

70

60

50

40

30

20

10

0 10 20 30 5040 6062

PTV_Chestwall

PTV_ScarBoost

PTV_Nodes

Right Lung

Left Lung

Heart

Spinal Cord

Esophagus

LD_Lungs

PostLat Avoid

Liver

Upper Mediast

Throat Avoid

TomoHelical™ IMRT

TomoEDGE™

5 cm Dynamic JawsTreatment Planning Time

40 min.Beam-on-Time

3.4 min.

TomoHelical™

IMRTTomoEDGE™

5 cm Dynamic JawsTreatment Planning Time

45 min. Beam-on time:

5 min.

Simultaneous Integrated Boost

Left breast treatment

with low cardiac dose

and simultaneous

integrated boost

64.00

60.00

55.00

50.00

47.50

40.00

25.00

25 FRACTIONS, 50 Gy

WHOLE BREAST, 60 Gy

(BOOST)

28 FRACTIONS, 50.4 Gy (CHEST WALL),

50.4 Gy (SUPRACLAVICULAR

NODES)

Complex and Long Volumes in One Delivery

Post-mastectomy irradiation of bilateral

chest wall and nodes with a single plan

BREAST CANCER | CLINICAL ADVANTAGES

© 2017 Accuray Incorporated. All Rights Reserved.

Important Safety Information Most side effects of radiotherapy, including radiotherapy delivered with Accuray systems, are mild and temporary, often involving fatigue, nausea, and skin irritation. Side effects can be severe, however, leading to pain, alterations in normal body functions (for example, urinary or salivary function), deterioration of quality of life, permanent injury, and even death. Side effects can occur during or shortly after radiation treatment or in the months and years following radiation. The nature and severity of side effects depend on many factors, including the size and location of the treated tumor, the treatment technique (for example, the radiation dose), and the patient’s general medical condition, to name a few. For more details about the side effects of your radiation therapy, and to see if treatment with an Accuray product is right for you, ask your doctor.

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| BREAST CANCER | CLINICAL ADVANTAGES