A.55 BREAST TOMOSYNTHESIS IMAGE INFORMATION OBJECT DEFINITION

A.55.1 Breast Tomosynthesis Image IOD Description

This Section defines the Information Object for multi-dimensional reconstructed breast tomosynthesis X-Ray Images that includes those data elements and information objects necessary for the interchange of multi-dimensional breast tomosynthesis X-Ray volumes.

Note: This IOD is not intended for interchange of source projection x-ray images.

A.55.2 Breast Tomosynthesis Image IOD Entity-Relationship Model

The E-R Model in Section A.1.2 depicts those components of the DICOM Application Information Model that directly reference the Breast Tomosynthesis Image IOD.

A.55.3 Breast Tomosynthesis Image IOD Module Table

Table A.55-1BREAST TOMOSYNTHESIS IMAGE IOD MODULES

IE Module Reference Usage
Patient Patient C.7.1.1 M
Clinical Trial Subject C.7.1.3 U
Study General Study C.7.2.1 M
Patient Study C.7.2.2 U
Clinical Trial Study C.7.2.3 U
Series General Series C.7.3.1 M
Clinical Trial Series C.7.3.2 U
Enhanced Mammography Series C.8.11.10 M
Frame of Reference Frame of Reference C.7.4.1 M
Synchronization C.7.4.2 C - Required if time synchronization was applied.
Equipment General Equipment C.7.5.1 M
Enhanced General Equipment C.7.5.2 M
Image Image Pixel C.7.6.3 M
Enhanced Contrast/Bolus C.7.6.4b C - Required if contrast media was applied.
Device C.7.6.12 U
Intervention C.7.6.13 U
Acquisition Context C.7.6.14 M
Multi-frame Functional Groups C.7.6.16 M
Multi-frame Dimension Module C.7.6.17 U
Image - Equipment Coordinate Relationship C.7.6.21 U
Specimen C.7.6.22 U
X-Ray 3D Image C.8.21.1 M
Breast Tomosynthesis Contributing Sources C.8.21.2.3 U
Breast Tomosynthesis Acquisition C.8.21.3.4 U
X-Ray 3D Reconstruction C.8.21.4 U
Breast View C.8.21.6 M
SOP Common C.12.1 M
Frame Extraction C.12.3 C - Required if the SOP Instance was created in response to a Frame-Level retrieve request

A.55.3.1 Breast Tomosynthesis Image IOD Content Constraints

A.55.3.1.1 Restrictions for Standard Extended SOP Classes

The Overlay Plane Module, Modality LUT Module, VOI LUT Module and Softcopy Presentation LUT Module shall not be used in a Standard Extended SOP Class of the Breast Tomosynthesis Image.

Note: The VOI LUT function is provided by a Frame VOI LUT Functional Group.

A.55.4 Breast Tomosynthesis Image Functional Group Macros

Table A.55-2 specifies the use of the Functional Group macros used in the Multi-frame Functional Groups Module for the Breast Tomosynthesis Image IOD.

Table A.55-2BREAST TOMOSYNTHESIS IMAGE FUNCTIONAL GROUP MACROS

Functional Group Macro Section Usage
Pixel Measures C.7.6.16.2.1 M
Frame Content C.7.6.16.2.2 M - May not be used as a Shared Functional Group.
Plane Position (Patient) C.7.6.16.2.3 M
Plane Orientation (Patient) C.7.6.16.2.4 M
Referenced Image C.7.6.16.2.5 U
Derivation Image C.7.6.16.2.6 C - Required if the Image Type (0008,0008) Value 1 equals DERIVED.
Frame Anatomy C.7.6.16.2.8 M
Identity Pixel Value Transformation C.7.6.16.2.9b M
Frame VOI LUT With LUT C.7.6.16.2.10b M
Real World Value Mapping C.7.6.16.2.11 U
Contrast/Bolus Usage C.7.6.16.2.12 C - Required if the Enhanced Contrast/Bolus Module is present.
X-Ray 3D Frame Type C.8.21.5.1 M - May not be used as a Shared Functional Group.

A.55.4.1 Breast Tomosynthesis Image Functional Group Macros Content Constraints

A.55.4.1.1 Frame Anatomy Functional Group Macro

The Defined Context ID for the Anatomic Region Sequence (0008,2218) shall be CID 4013.