DICOM PS3.3 2020b - Information Object Definitions

10.12 Patient Orientation Macro

This section describes Attributes of the Patient Orientation Macro by specifying the Patient orientation related to gravity and equipment. Table 10-15 contains IOD Attributes that describe the Patient Orientation related to gravity and equipment.

Table 10-15. Patient Orientation Macro Attributes

Attribute Name

Tag

Type

Attribute Description

Patient Orientation Code Sequence

(0054,0410)

1

Sequence that describes the orientation of the Patient with respect to gravity.

See Section C.8.11.5.1.2 for further explanation.

Only a single Item shall be included in this Sequence.

>Include Table 8.8-1 “Code Sequence Macro Attributes”

BCID 19 “Patient Orientation”.

>Patient Orientation Modifier Code Sequence

(0054,0412)

1C

Patient orientation modifier.

Required if needed to fully specify the orientation of the Patient with respect to gravity.

Only a single Item shall be included in this Sequence.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

BCID 20 “Patient Orientation Modifier”.

Patient Gantry Relationship Code Sequence

(0054,0414)

3

Sequence that describes the orientation of the Patient with respect to the head of the table. See Section C.8.4.6.1.3 for further explanation.

Only a single Item is permitted in this Sequence.

>Include Table 8.8-1 “Code Sequence Macro Attributes”

BCID 21 “Patient Equipment Relationship”.


10.12.1 Relation With Other Positioning Attributes

The Attributes of this Macro may be used to correlate the Patient-Based Coordinate System (see Section C.7.6.2) and the equipment.

Note

The Patient Orientation Code Sequence (0054,0410) allows a more precise and comprehensive positioning than Patient Position (0018,5100). If this Sequence is present Patient Position (0018,5100) is not used.

DICOM PS3.3 2020b - Information Object Definitions