DICOM PS3.3 2016b - Information Object Definitions
C.8.20.4 Segmentation Macros
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PS3.3 > Information Module Definitions (Normative) > Modality Specific Modules > Segmentation > Segmentation Macros

C.8.20.4 Segmentation Macros

The following sections contain macros specific to the Segmentation IOD.

C.8.20.4.1 Segment Description Macro

Table C.8.20-4 specifies the attributes of the Segment Description Macro.

Table C.8.20-4. Segment Description Macro Attributes

Attribute Name

Tag

Type

Attribute Description

Segment Number

(0062,0004)

1

Identification number of the segment. The value of Segment Number (0062,0004) shall be unique within the Segmentation instance in which it is created. See Section C.8.20.2.4.

Segment Label

(0062,0005)

1

User-defined label identifying this segment. This may be the same as Code Meaning (0008,0104) of Segmented Property Type Code Sequence (0062,000F).

Segment Description

(0062,0006)

3

User-defined description for this segment.

Segment Algorithm Type

(0062,0008)

1

Type of algorithm used to generate the segment.

Enumerated Values:

AUTOMATIC

calculated segment

SEMIAUTOMATIC

calculated segment with user assistance

MANUAL

user-entered segment

Include Table 10-7 “General Anatomy Optional Macro Attributes”

May not be necessary if the anatomy is implicit in the Segmented Property Type Code Sequence.

Segmented Property Category Code Sequence

(0062,0003)

1

Sequence defining the general category of this segment.

Only a single Item shall be included in this Sequence.

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

Baseline CID 7150 “Segmentation Property Categories”.

Segmented Property Type Code Sequence

(0062,000F)

1

Sequence defining the specific property type of this segment.

Only a single Item shall be included in this Sequence.

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

Baseline CID 7151 “Segmentation Property Types”.

>Segmented Property Type Modifier Code Sequence

(0062,0011)

3

Sequence defining the modifier of the property type of this segment.

One or more Items are permitted in this Sequence.

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

Baseline CID 244 “Laterality”.

Tracking ID

(0062,0020)

1C

A text label used for tracking a finding or feature, potentially across multiple reporting objects, over time. This label shall be unique within the domain in which it is used.

Required if Tracking UID (0062,0021) is present.

Note

  1. May be used for tracking a finding or feature that is described by this segment, potentially across multiple objects, over time.

  2. May or may not have the same value as Segment Label (0062,0005).

  3. Related SR instances may exist, for example, to record measurements related to this segment, but need not exist for this Attribute to be used.

  4. This Attribute will have the same value as the value of the (112039, DCM, "Tracking Identifier") content item in SR instances that reference this Segment in this Segmentation Instance.

Tracking UID

(0062,0021)

1C

A unique identifier used for tracking a finding or feature, potentially across multiple reporting objects, over time.

Required if Tracking ID (0062,0020) is present.

Note

  1. May be used for tracking a finding or feature that is described by this segment, potentially across multiple objects, over time.

  2. Related SR instances may exist, for example, to record measurements related to this segment, but need not exist for this Attribute to be used.

  3. This Attribute will have the same value as the value of the (112040, DCM, "Tracking Unique Identifier") content item in SR instances that reference this Segment in this Segmentation Instance.

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DICOM PS3.3 2016b - Information Object Definitions