UUUU.5.2.2 Example of Enhanced RDSR for Cone Beam CT (CBCT)

(702569007, SCT, "Cone Beam Acquisition")

1.1

Language of Content Item and Descendants

(en, RFC5646, "English")

TID 1204

1.2

Procedure reported

(261004008, SCT, "Diagnostic Intent")

1.2.1

Has Intent

1.3

Observer Type

(121007, DCM, "Device")

TID 1002

1.4

Device Observer UID

2.999.1.2.3.4

1.5

Device Observer Manufacturer

Manufacturer X

1.6

Device Observer Model Name

Model Y

1.7

Device Observer Serial Number

123456789

1.8

Scope of Accumulation

(113014, DCM, "Study")

1.9

Accumulated Dose Data

1.9.1

Identification of the X-Ray Source

1.9.2

Reference Point Dosimetry

(113860, DCM, "15cm from Isocenter toward Source")

1.9.2.1

Reference Point Definition

1.9.2.2

Dose (RP) Total

85 mGy

1.10

Irradiation Event Summary Data

1.10.1

Irradiation Event UID

2.999.2.3.4

1.10.2

DateTime Started

20200101120000

1.10.3

DateTime Ended

20200101120030

1.10.4

Identification of the X-Ray Source

(113613, DCM, "Rotational Acquisition")

1.10.5

Irradiation Event Types

1.11

Irradiation Details

1.11.1

DateTime Started

20200101120000

1.11.2

DateTime Ended

20200101120030

1.11.3

Frame of Reference UID

2.999.1.2.3

(130537, DCM, "Equipment Origin")

1.11.4

RDSR Frame of Reference Origin

1.11.5

RDSR Frame of Reference Description

Equipment origin located on left-most, rear-most corner of gantry support when viewing equipment from the front. Y-axis is anti-gravity direction. Z-axis is along table travel direction into the gantry. X-axis is cross product of y and z axes (+y⨯ +z).

1.11.6

Radiation Source Characteristics

1.11.6.1

DateTime Started

20200101120000

1.11.6.2

DateTime Ended

20200101120030

1.11.6.3

Identification of the X-Ray Source

1.11.6.4

Focal Spot Size

1.2 mm

(26194003, SCT, "Tungsten")

1.11.6.5

Anode Target Material

1.11.6.6

Attenuator Characteristics

(12503006, SCT, "Aluminum")

1.11.6.6.1

Equivalent Attenuator Material

1.11.6.6.2

Equivalent Attenuator Thickness

2.5 mm

(117362005, SCT, "Nominal")

1.11.6.6.2.1

Reported Value Type

1.11.7

Radiation Technique

1.11.7.1

DateTime Started

20200101120000

1.11.7.2

DateTime Ended

20200101120030

1.11.7.3

Identification of the X-Ray Source

1.11.7.4

KVP

100 kV

1.11.7.5

X-Ray Tube Current

DateTime Started	X-Ray Tube Current (mA)
20200101120000	100.0
20200101120005	150.0
20200101120010	200.0
20200101120015	150.0
20200101120020	100.0
20200101120025	150.0

1.11.8

Filtration

1.11.8.1

DateTime Started

20200101120000

1.11.8.2

DateTime Ended

20200101120030

1.11.8.3

Identification of the X-Ray Source

1.11.8.4

Attenuator Characteristics

1.11.8.4.1

Identification of the Attenuator

(113771, DCM, "X-Ray Filters")

1.11.8.4.2

Attenuator Category

(66925006, SCT, "Copper")

1.11.8.4.3

Filter Material

(113653, DCM, "Flat Filter")

1.11.8.4.4

Filter Type

1.11.8.4.5

X-Ray Filter Thickness

0.3 mm

1.11.9

Attenuators

TID 10047

1.11.9.1

DateTime Started

20200101120000

TID 10047

1.11.9.2

DateTime Ended

20200101120030

TID 10047

1.11.9.3

Attenuator Characteristics

1.11.9.3.1

Identification of the Attenuator

1.11.9.3.2

Attenuator Category

(128459, DCM, "Table")

(256501007, SCT, "Carbon Fiber")

1.11.9.3.3

Filter Material

(113650, DCM, "Strip Filter")

1.11.9.3.4

Filter Type

1.11.9.3.5

X-Ray Filter Thickness

30 mm

1.11.10

Radiation Output

1.11.10.1

DateTime Started

20200101120000

1.11.10.2

DateTime Ended

20200101120030

1.11.10.3

Identification of the X-Ray Source

1.11.10.4

Air Kerma at Output Measurement Point

DateTime Ended	Air Kerma at Output Measurement Point (mGy)
20200101120005	10.0
20200101120010	15.0
20200101120015	20.0
20200101120020	15.0
20200101120025	10.0
20200101120030	15.0

1.11.11

Radiation Field Area

1.11.11.1

DateTime Started

20200101120000

1.11.11.2

DateTime Ended

20200101120030

1.11.11.3

Identification of the X-Ray Source

1.11.11.4

Radiation Field Outline

SCOORD3D POLYGON points

1.11.12

X-Ray Source Reference Coordinate System

1.11.12.1

DateTime Started

20200101120000

1.11.12.2

DateTime Ended

20200101120030

1.11.12.3

Identification of the X-Ray Source

1.11.12.4

Transformation Matrix

1.0	0.0	0.0	-40.0
0.0	1.0	0.0	20.0
0.0	0.0	1.0	-50.0
0.0	0.0	0.0	1.0

1.11.12.5

Center of Rotation

SCOORD3D POINT

1.11.12.6

Rotation Plane Normal Point

SCOORD3D POINT

1.11.12.7

Rotation Angle

DateTime Started	Rotation Angle (deg)
20200101120005	40.0
20200101120010	80.0
20200101120015	120.0
20200101120020	160.0
20200101120025	200.0
20200101120030	240.0

1.11.13

Beam Position

1.11.13.1

DateTime Started

20200101120000

1.11.13.2

DateTime Ended

20200101120030

1.11.13.3

Identification of the X-Ray Source

1.11.13.4

Output Measurement Point Position

SCOORD3D POINT

1.11.13.5

Reference Point Position

SCOORD3D POINT

1.11.13.6

X-Ray Beam Attenuator Model

1.11.13.6.1

Identification of the Attenuator

1.11.13.6.2

X-Ray Attenuator Model Data

2.999.3.4.5

1.11.13.6.6

Transformation Matrix

1.0	0.0	0.0	0.0
0.0	1.0	0.0	5.0
0.0	0.0	1.0	0.0
0.0	0.0	0.0	1.0

1.11.14

Attenuator Position

1.11.14.1

DateTime Started

20200101120000

1.11.14.2

DateTime Ended

20200101120030

1.11.14.3

X-Ray Beam Attenuator Model

1.11.14.3.1

Identification of the Attenuator

1.11.14.3.2

X-Ray Attenuator Model Data

2.999.4.5.6

1.11.14.3.3

Transformation Matrix

1.0	0.0	0.0	-40.0
0.0	1.0	0.0	60.0
0.0	0.0	1.0	-45.0
0.0	0.0	0.0	1.0

1.11.15

Procedure Characteristics

1.11.15.1

DateTime Started

20200101120000

1.11.15.2

DateTime Ended

20200101120030

1.11.15.3

Identification of the X-Ray Source

1.11.15.4

Acquisition Protocol

CBCT Acquisition

(102540008, SCT, "headfirst")

1.11.15.5

Patient Table Relationship

(102538003, SCT, "recumbent")

1.11.15.6

Patient Orientation

(40199007, SCT, "supine")

1.11.15.6.1

Patient Orientation Modifier

1.11.15.7

Distance Source to Detector

1200 mm

(113856, DCM, "Automated Data Collection")

1.12

Source of Dose Information