Материал: part03

Page 836​

Attribute Name​

Tag​

Type​

Description​

>>Range Modulator Type​

(300A,0348)​

1​

Type of Range Modulator.​

Defined Terms:​

FIXED​

fixed modulation width and weights using ridge​

filterorconstantspeedwheelwithconstantbeam​

current​

WHL_FIXEDWEIGHTS​selected wheel/track (Range Modulator ID) is​

spinning at constant speed. Modulation width is​

adjusted by switching constant beam current on​

and off at wheel steps indicated by Range​

Modulator Interrupt Values​

WHL_MODWEIGHTS​selected wheel/track (Range Modulator ID) is​

spinning at constant speed. Weight per wheel​

step is adjusted by modulating beam current​

according to selected Beam Current Modulation​

ID (300A,034C)​

Only one Item in the Recorded Range Modulator Sequence (3008,00F6)​

canhaveaRangeModulatorType(300A,0348)ofWHL_MODWEIGHTS.​

>>BeamCurrentModulation​

(300A,034C)​

1C​

User-suppliedidentifierforthebeamcurrentmodulationpattern.Required​

ID​

if Range Modulator Type (300A,0348) is WHL_MODWEIGHTS​

>Include Table C.8.8.28-1 “Patient Support Identification​

Macro Attributes”​

>Fixation Light Azimuthal​

(300A,0356)​

3​

Azimuthal angle (degrees) of the fixation light coordinate around IEC​

Angle​

PATIENT SUPPORT Y-axis. Used for eye treatments. See​

Section C.8.8.25.6.4.​

>Fixation Light Polar Angle​

(300A,0358)​

3​

Polar angle (degrees) of the fixation light coordinate. Used for eye​

treatments. See Section C.8.8.25.6.4.​

>Fixation Eye​

(300A,0150)​

3​

The eye used for fixation.​

Enumerated Values:​

L​left eye​

R​right eye​

>Current Fraction Number​

(3008,0022)​

2​

Fraction number for this beam administration.​

>Treatment Delivery Type​

(300A,00CE)​

2​

Delivery Type of treatment.​

Defined Terms:​

TREATMENT​

normal patient treatment​

OPEN_PORTFILM​portal image acquisition with open field (the source​

of radiation is specified by Radiation Type​

(300A,00C6))​

TRMT_PORTFILM​portal image acquisition with treatment port (the​

source of radiation is specified by Radiation Type​

(300A,00C6))​

CONTINUATION​ continuation of interrupted treatment​

SETUP​

no treatment beam was applied for this RT Beam.​

Tobeusedforspecifyingthegantry,couch,andother​

machine positions where X-Ray set-up images or​

Page 837​

Attribute Name​

Tag​

Type​

Description​

>Treatment Termination​

(3008,002A)​

1​ Conditions under which treatment was terminated.​

Status​

Enumerated Values:​

NORMAL​ treatment terminated normally​

OPERATOR​operator terminated treatment​

MACHINE​machine terminated treatment​

UNKNOWN​status at termination unknown​

>Treatment Termination​

(3008,002B)​

Code​

particular application and equipment.​

>Treatment Verification​

(3008,002C)​

Status​

Enumerated Values:​

VERIFIED​

treatment verified​

overridden​

NOT_VERIFIED​treatment verified manually​

>SpecifiedPrimaryMeterset​

(3008,0032)​

Dosimeter Unit (300A,00B3). See Section C.8.8.26.1.​

>Specified Secondary​

(3008,0033)​

Meterset​

>DeliveredPrimaryMeterset​

(3008,0036)​

units specified by Primary Dosimeter Unit (300A,00B3). See​

Section C.8.8.26.1.​

>Delivered Secondary​

(3008,0037)​

Meterset​

See Section C.8.8.26.1.​

>Specified Treatment Time​

(3008,003A)​

3​ Treatment Time set (sec).​

>Delivered Treatment Time​

(3008,003B)​

3​ Treatment Time actually delivered (sec).​

>Delivered Depth Dose​

(300A,0506)​

3​ Set of parameters describing the depth dose distribution.​

Parameters Sequence​

Only a single Item is permitted in this Sequence.​

>>DeliveredReferenceDose​

(300A,0511)​

1​ Definition of the 100% delivered reference dose level.​

Definition​

See Section C.8.8.25.9.​

>>Delivered Distal Depth​

(300A,0508)​

Depth Fraction (300A,0507).​

See Section C.8.8.25.9.​

>>Delivered Distal Depth​

(300A,0507)​

Fraction​

Delivered Distal Depth (300A,0508).​

Page 838​

DICOM PS3.3 2020a - Information Object Definitions​

Attribute Name​

Tag​

Type​

Description​

>>DeliveredNominalRange​

(300A,0510)​

1C​

Thedepthsoftheproximalanddistallimitsoftherangemodulatedregion​

Modulated Region Depths​

in water.​

Contains two values (in mm). The first value defines the depth of the​

proximal limit. The second value defines the depth of the distal limit.​

Required if Delivered Reference Dose Definition (300A,0511) has the​

value CENTER.​

See Section C.8.8.25.9.​

>>DeliveredNominalRange​

(300A,0509)​

1C​

Delivered Fractions of the Delivered Reference Dose Definition​

Modulation Fractions​

(300A,0511) defining the proximal and distal limits at which the​

range-modulated region is defined.​

Containstwovalues.Thefirstvaluedefinesthemodulationfractionvalue​

attheproximallimitandthesecondvaluedefinesthemodulationfraction​

value at the distal limit.​

A value of 1.0 refers to the 100% reference dose level as defined in​

Delivered Reference Dose Definition (300A,0511).​

Required if Delivered Nominal Range Modulated Region Depths​

(300A,0510) is present.​

See Section C.8.8.25.9.​

>Number of Control Points​

(300A,0110)​

1​

Number of control points in Beam.​

>Ion Control Point Delivery​

(3008,0041)​

1​

Sequence of beam control points for current ion treatment beam.​

Sequence​

One or more Items shall be included in this Sequence.​

The number of Items shall be identical to the value of Number of Control​

Points (300A,0110).​

See Section C.8.8.21.1.​

>>Referenced Control Point​

(300C,00F0)​

1​

Uniquely identifies Control Point specified by Control Point Index​

Index​

(300A,0112) within the Beam referenced by Referenced Beam Number​

(300C,0006).​

>>Treatment Control Point​

(3008,0024)​

1​

Date when the delivery of radiation at this control point began. For the​

Date​

final control point this shall be the Date when the previous control point​

ended.​

>>Treatment Control Point​

(3008,0025)​

1​

Time when the delivery of radiation at this control point began. For the​

Time​

final control point this shall be the Time when the previous control point​

ended.​

>>Specified Meterset​

(3008,0042)​

2​

Desired machine setting for current control point in units specified by​

Primary Dosimeter Unit (300A,00B3).​

>>Delivered Meterset​

(3008,0044)​

1​

Machinesettingactuallydeliveredatcurrentcontrolpointinunitsspecified​

by Primary Dosimeter Unit (300A,00B3).​

>>Meterset Rate Set​

(3008,0045)​

3​

The specified speed of delivery of the specified dose in units specified​

by Primary Dosimeter Unit (300A,00B3) per minute.​

>>Meterset Rate Delivered​

(3008,0046)​

3​

The delivered speed of delivery of the specified dose in units specified​

by Primary Dosimeter Unit (300A,00B3) per minute.​

DICOM PS3.3 2020a - Information Object Definitions​

Page 839​

Attribute Name​

Tag​

Type​

Description​

>>Nominal Beam Energy​

(300A,0114)​

1C​

(0018,0060) is not present.​

>>KVP​

(0018,0060)​

1C​

is not present.​

>>Ion Wedge Position​

(300A,03AC)​

1C​

Sequence of Wedge positions for current control point.​

Sequence​

during beam.​

One or more Items shall be included in this Sequence.​

(300A,00D0).​

>>>Referenced Wedge​

(300C,00C0)​

1​

Number​

in Wedge Sequence (300A,00D1).​

>>>Wedge Position​

(300A,0118)​

1​

Position of Wedge at current control point.​

Enumerated Values:​

IN​

OUT​

>>>Wedge Thin Edge​

(300A,00DB)​

1C​

Position​

PARTIAL_MOTORIZ. See Section C.8.8.25.6.4.​

>>IncludeTableC.8.8.27-1“BeamLimitingDevicePosition​

Macro Attributes”​

>>Range Shifter Settings​

(300A,0360)​

1C​

Sequence​

One or more Items shall be included in this Sequence.​

>>>Referenced Range​

(300C,0100)​

1​

Shifter Number​

(300A,0316) in Range Shifter Sequence (300A,0314).​

>>>Range Shifter Setting​

(300A,0362)​

1​

Statement. See Section C.8.8.25.5.​

Page 840​

DICOM PS3.3 2020a - Information Object Definitions​

Attribute Name​

Tag​

Type​

Description​

>>Lateral Spreading Device​

(300A,0370)​

1C​

Sequence of Lateral Spreading Device settings for the current control​

Settings Sequence​

point.​

One or more Items shall be included in this Sequence.​

Required for Control Point 0 of Ion Control Point Delivery Sequence​

(3008,0041)orifLateralSpreadingDeviceSetting(300A,0372)changes​

during beam administration, and Number of Lateral Spreading Devices​

(300A,0330) is non-zero.​

>>>Referenced Lateral​

(300C,0102)​

1​

Uniquely references Lateral Spreading Device described by Lateral​

Spreading Device Number​

Spreading Device Number (300A,0334) in Lateral Spreading Device​

Sequence (300A,0332).​

>>>LateralSpreadingDevice​

(300A,0372)​

1​

Machine specific setting Attribute for the lateral spreading device. The​

Setting​

specific encoding of this value should be documented in a Conformance​

Statement. See Section C.8.8.25.5.​

>>RangeModulatorSettings​

(300A,0380)​

1C​

Sequence of Range Modulator Settings for current control point.​

Sequence​

One or more Items shall be included in this Sequence.​

Required for Control Point 0 of Ion Control Point Delivery Sequence​

(3008,0041), or if Range Modulator Settings change during beam​

administration,andNumberofRangeModulators(300A,0340)isnon-zero.​

>>>Referenced Range​

(300C,0104)​

1​

Uniquely references Range Modulator described by Range Modulator​

Modulator Number​

Number (300A,0344) in Range Modulator Sequence (300A,0342).​

>>>RangeModulatorGating​

(300A,0382)​

1C​

Start position defines the range modulator position at which the beam is​

Start Value​

switchedon.RequiredifRangeModulatorType(300A,0348)oftherange​

modulator referenced by Referenced Range Modulator Number​

(300C,0104) is WHL_MODWEIGHTS or WHL_FIXEDWEIGHTS​

>>>RangeModulatorGating​

(300A,0384)​

1C​

Stop position defines the range modulator position at which the beam is​

Stop Value​

switchedoff.RequiredifRangeModulatorType(300A,0348)oftherange​

modulator referenced by Referenced Range Modulator Number​

(300C,0104) is WHL_MODWEIGHTS or WHL_FIXEDWEIGHTS​

>>Gantry Angle​

(300A,011E)​

1C​

Treatment machine gantry angle, i.e., orientation of IEC GANTRY​

coordinate system with respect to IEC FIXED REFERENCE coordinate​

system (degrees). Required for Control Point 0 of Ion Control Point​

Delivery Sequence (3008,0041) or if Gantry Angle changes during beam​

administration.​

>>Gantry Rotation Direction​

(300A,011F)​

1C​

Direction of Gantry Rotation when viewing gantry from isocenter, for​

segment beginning at current Control Point. Required for Control Point​

0 of Ion Control Point Delivery Sequence (3008,0041), or if Gantry​

Rotation Direction changes during beam administration.​

Enumerated Values:​

CW​ clockwise​

CC​ counter-clockwise​

NONE​no rotation​

>>Gantry Pitch Angle​

(300A,014A)​

2C​

Gantry Pitch Angle. i.e., the rotation of the IEC GANTRY coordinate​

systemabouttheX-axisoftheIECGANTRYcoordinatesystem(degrees).​

Required for first Item of Control Point Sequence, or if Gantry Pitch​

Rotation Angle changes during Beam. See Section C.8.8.25.6.5.​