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PatientMModule - Patient
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(0008,1156) Definition Source Sequence3Sequence
(0054,0410) Patient Orientation Code Sequence1Sequence
(0070,0081) Content Description2Long String
(0070,0084) Content Creator's Name3Person Name
(0070,0086) Content Creator's Identification Code Sequence3Sequence
(300A,0629) RT Tolerance Set Sequence3Sequence
(300A,0631) Referenced RT Instance Sequence1CSequence
(300A,0635) Treatment Machine Special Mode Code Sequence1CSequence
(300A,0638) RT Radiation Physical and Geometric Content Detail Flag1Code String
(300A,0639) RT Record Flag1Code String
(300A,063F) Treatment Position Sequence1CSequence
(0028,9520) Image to Equipment Mapping Matrix1Decimal String
(3006,00C8) Frame of Reference Transformation Comment3Long String
(3006,00C9) Patient Location Coordinates Sequence2Sequence
(3006,00CB) Patient Support Position Sequence2Sequence
(300A,065C) Patient Support Position Specification Method1Code String
(300A,065D) Patient Support Position Device Parameter Sequence1CSequence
(300A,0606) Treatment Position Index1Unsigned Short
(300A,0700) Treatment Session UID1Unique Identifier
(300A,0701) RT Radiation Usage1Code String
(300A,0708) Treatment Delivery Continuation Flag1Code String
(300A,0709) Treatment Record Content Origin1Code String
(300A,0714) RT Treatment Termination Status1Code String
(300A,0715) RT Treatment Termination Reason Code Sequence2CSequence
(300A,0716) Machine-Specific Treatment Termination Code Sequence3Sequence
(300A,0730) Treatment Termination Description2CShort Text
(300A,0731) Treatment Tolerance Violation Sequence2Sequence
(300A,073F) Confirmation Sequence2Sequence
(300A,0740) Interlock Sequence2Sequence
(300A,0780) Additional Parameter Recording Instance Sequence3Sequence
(3010,0030) Patient Equipment Relationship Code Sequence1Sequence
(3010,0034) User Content Long Label1Long String
(3010,0080) RT Treatment Technique Code Sequence1CSequence
RT Radiation Salvage RecordMModule - RT Delivered Radiation
SOP CommonMModule - RT Delivered Radiation
Common Instance ReferenceMModule - RT Delivered Radiation
Radiotherapy Common InstanceMModule - RT Delivered Radiation
C-Arm Photon-Electron Radiation RecordCIOD
Tomotherapeutic Radiation RecordCIOD
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RT Radiation Set Delivery InstructionCIOD
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Built with by Innolitics, a team of medical imaging software developers.

Data synced with official DICOM standard on 18 April 2024. The DICOM Standard is under continuous maintenance, and the current official version is available at http://www.dicomstandard.org/current/. DICOM Parts 3, 4, and 6, © NEMA. Please note that the most recent PDF version of the standard is the official reference, and should checked when making technical decisions.

Patient Support Position Sequence Attribute

Tag(3006,00CB)
TypeRequired, Empty if Unknown (2)
KeywordPatientSupportPositionSequence
Value Multiplicity1
Value RepresentationSequence (SQ)

Actual Patient Support Position parameters. Shall be consistent with the Image to Equipment Mapping Matrix (0028,9520).

See Section 10.39.1.2.

Zero or one Item shall be included in this Sequence.

Section 10.39.1.2

10.39.1.2 Image to Equipment Mapping Matrix and Patient Support Position Macro

The Image to Equipment Mapping Matrix (0028,9520) describes the relationship between the Patient-oriented coordinate system and an Equipment Coordinate System. This matrix AM Bdescribes a rigid transformation of a point ( Bx, By, Bz) with respect to the Patient coordinate system into ( Ax, Ay, Az) with respect to the Equipment Coordinate System as defined in Section C.7.6.21.1.

The Equipment Coordinate System is identified by the Equipment Frame of Reference UID (300A,0675). For further information on the definition of the Equipment Frame of Reference, see Section 10.39.1.1. The patient-oriented coordinate system is identified by the Frame of Reference UID (0020,0052) of the SOP Instance it is used within. Both coordinate systems are expressed in millimeters.

The Patient Support Position Macro invoked by Patient Support Position Sequence (3006,00CB) allows the exchange of device-specific parameters for the patient support device. Applications designed to guide a specific patient support device will be able to de-compose the transformation into device-specific parameters or derive a transformation matrix out of these parameters. Applications that are unable to know the decomposition of the transformation to those parameters and vice versa will still be able to display the native labels and numerical values of those parameters to human readers.

The Patient Support Position Sequence (3006,00CB) may be present to annotate the matrix and display the decomposed matrix contents. The content of the Patient Support Position Macro shall be used for display purposes only. It shall not be used for other purposes. The content of this Macro shall not be used as a substitute for the Image to Equipment Mapping Matrix (0028,9520). In general, there is more than one way to reach the point in space that is described by the Image to Equipment Mapping Matrix (0028,9520). Hence it is explicitly not implied how this position is reached.

In some cases (e.g., emergency treatments in Radiotherapy), the Patient Frame of Reference is not defined by an image series. In this case an arbitrary Frame of Reference is used for the patient coordinate system in the Frame of Reference Module of the SOP Instance. The Image to Equipment Mapping Matrix (0028,9520) has the same meaning as in the case of image-based Patient Frame of Reference.

When a Frame of Reference of a patient model is not available, the well-known Frame of Reference of a patient support device may be used.

The well-known Frame of Reference and its origin and orientation with respect to the device shall be documented in the Conformance Statement. Note that the orientation of the axes of the well-known Frame of Reference are tied to the device and not to the patient.

As an example, the initial position needs to be specified for the patient setup, prior to any imaging. For a treatment table whose origin and orientation are defined by [IEC 61217], the well-known Frame of Reference UID "1.2.840.10008.1.4.3.3" may be used.

If the Image to Equipment Mapping Matrix (0028,9520) and the Patient Support Position Sequence (3006,00CB) are both present, the information in both locations shall be consistent.