DICOM PS3.3 2016b - Information Object Definitions

10.5 General Anatomy Macros
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## 10.5 General Anatomy Macros

Table 10-5, Table 10-6 and Table 10-7 describe the attributes for identifying the general region of the patient anatomy examined using coded terminology, as well as the principal structure(s) within that region that is the target of the current SOP Instance. The only difference between the three macros is the Type of the Anatomic Region Sequence (0008,2218) attribute. Table 10-8 describe the attributes for the coding of the principal structure only.

The invocation of these macros may specify Baseline or Defined CIDs for the Anatomic Region Sequence (0008,2218), the Anatomic Region Modifier Sequence (0008,2220), and/or the Primary Anatomic Structure Sequence (0008,2228).

The general region of the body (e.g., the anatomic region, organ, or body cavity being examined) is identified by the Anatomic Region Sequence (0008,2218). Characteristics of the anatomic region being examined, such as sub-region (e.g., medial, lateral, superior, inferior, lobe, quadrant) and laterality (e.g., right, left, both), may be refined by the Anatomic Region Modifier Sequence (0008,2220).

### Note

These Attributes allow the specification of the information encoded by the Body Part Examined (0018,0015) in the General Series Module in a more robust, consistent way.

The specific anatomic structures of interest within the image (e.g., a particular artery within the anatomic region) is identified by the Primary Anatomic Structure Sequence (0008,2228). Characteristics of the anatomic structure, such as its location (e.g., subcapsular, peripheral, central), configuration (e.g., distended, contracted), and laterality (e.g., right, left, both), and so on, may be refined by the Primary Anatomic Structure Modifier Sequence (0008,2230).

Table 10-5. General Anatomy Mandatory Macro Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
Anatomic Region Sequence | (0008,2218) | 1 | Sequence that identifies the anatomic region of interest in this Instance (i.e., external anatomy, surface anatomy, or general region of the body). Only a single Item shall be included in this Sequence.
>Include Table 8.8-1 “Code Sequence Macro Attributes” | Context ID may be defined in the macro invocation.
>Anatomic Region Modifier Sequence | (0008,2220) | 3 | Sequence of Items that modifies the anatomic region of interest of this Instance. One or more Items are permitted in this Sequence.
>>Include Table 8.8-1 “Code Sequence Macro Attributes” | Defined CID 2 “Anatomic Modifier”, unless otherwise defined in the macro invocation.
Include Table 10-8 “Primary Anatomic Structure Macro Attributes” | Context ID may be defined in the macro invocation.

Table 10-6. General Anatomy Required Macro Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
Anatomic Region Sequence | (0008,2218) | 2 | Sequence that identifies the anatomic region of interest in this Instance (i.e., external anatomy, surface anatomy, or general region of the body). Zero or one Item shall be included in this Sequence.
>Include Table 8.8-1 “Code Sequence Macro Attributes” | Context ID may be defined in the macro invocation.
>Anatomic Region Modifier Sequence | (0008,2220) | 3 | Sequence of Items that modifies the anatomic region of interest of this Instance One or more Items are permitted in this Sequence.
>>Include Table 8.8-1 “Code Sequence Macro Attributes” | Defined CID 2 “Anatomic Modifier”, unless otherwise defined in the macro invocation.
Include Table 10-8 “Primary Anatomic Structure Macro Attributes” | Context ID may be defined in the macro invocation.

Table 10-7. General Anatomy Optional Macro Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
Anatomic Region Sequence | (0008,2218) | 3 | Sequence that identifies the anatomic region of interest in this Instance (i.e., external anatomy, surface anatomy, or general region of the body). Only a single Item is permitted in this Sequence.
>Include Table 8.8-1 “Code Sequence Macro Attributes” | Context ID may be defined in the macro invocation.
>Anatomic Region Modifier Sequence | (0008,2220) | 3 | Sequence of Items that modifies the anatomic region of interest of this Instance One or more Items are permitted in this Sequence.
>>Include Table 8.8-1 “Code Sequence Macro Attributes” | Defined CID 2 “Anatomic Modifier”, unless otherwise defined in the macro invocation.
Include Table 10-8 “Primary Anatomic Structure Macro Attributes” | Context ID may be defined in the macro invocation.

Table 10-8. Primary Anatomic Structure Macro Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
Primary Anatomic Structure Sequence | (0008,2228) | 3 | Sequence of Items that identifies the primary anatomic structure(s) of interest in this Instance. One or more Items are permitted in this Sequence.
>Include Table 8.8-1 “Code Sequence Macro Attributes” | Context ID may be defined in the macro invocation.
>Primary Anatomic Structure Modifier Sequence | (0008,2230) | 3 | Sequence of Items that modifies the primary anatomic structure of interest in this Instance. One or more Items are permitted in this Sequence.
>>Include Table 8.8-1 “Code Sequence Macro Attributes” | Defined CID 2 “Anatomic Modifier”.

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DICOM PS3.3 2016b - Information Object Definitions