A.74 Breast Projection X-Ray Image Information Object Definition
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A.74 Breast Projection X-Ray Image Information Object Definition

A.74.1 Breast Projection X-Ray Image IOD Description

The Breast Projection X-Ray Image Information Object Definition specifies an image set that has been created by a digital mammography projection radiography imaging device.

Note

The preferred IOD for traditional digital mammography is Digital Mammography X-Ray Image.

The Breast Projection X-Ray Image IOD is used in two SOP Classes as defined in PS3.4 Storage Service Class, a SOP Class for storage of images intended for presentation, and a SOP Class for storage of images intended for further processing before presentation. These are distinguished by their SOP Class UID and by the Enumerated Value of the mandatory attribute in the DX Series Module, Presentation Intent Type (0008,0068).

A.74.2 Breast Projection X-Ray 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 Projection X-Ray Image IOD. Additionally, "Image" in Section A.1.1 may represent a Single Frame or a Multi-Frame image. A frame denotes a two-dimensional organization of pixels recorded as a single exposure.

A.74.3 Breast Projection X-Ray Image IOD Module Table

Table A.74-1. Breast Projection X-Ray 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

DX Series

C.8.11.1

M

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

Enhanced Mammography Image

C.8.31.1

M

Breast View

C.8.21.6

M

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

C.7.6.17

U

Patient Orientation

C.7.6.20

M

Specimen

C.7.6.22

U

SOP Common

C.12.1

M

Common Instance Reference

C.12.2

U

Frame Extraction

C.12.3

C - Required if the SOP Instance was created in response to a Frame-Level retrieve request

A.74.3.1 Breast Projection X-Ray Image IOD Content Constraints

A.74.3.1.1 Modality Type Attribute

The Modality Type attribute (0008,0060) shall have the value MG.

A.74.3.1.2 Overlay Plane Module, Curve Module and VOI LUT Module

The Overlay Plane Module, Curve Module, VOI LUT Module and Softcopy Presentation LUT Module shall not be used in a Standard Extended SOP Class of the Breast Projection X-Ray Image.

Note

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

A.74.4 Breast Projection X-Ray Image Functional Group Macros

Table A.74-2 specifies the use of the Functional Group macros used in the Multi-frame Functional Groups Module for the Breast Projection X-Ray Image IOD.

Table A.74-2. Breast Projection X-Ray Image Functional Group Macros

Functional Group Macro

Section

Usage

Frame Content

C.7.6.16.2.2

M - May not be used as a Shared Functional Group.

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 or Value 1 is ORIGINAL and Presentation Intent Type equals FOR PRESENTATION. May be present otherwise.

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

Contrast/Bolus Usage

C.7.6.16.2.12

C - Required if the Enhanced Contrast/Bolus Module is present

Frame Display Shutter

C.7.6.16.2.16

U

Irradiation Event Identification

C.7.6.16.2.18

M

X-Ray Frame Characteristics

C.8.19.6.1

U

X-Ray Field of View

C.8.19.6.2

M

X-Ray Frame Pixel Data Properties

C.8.19.6.4

M

X-Ray Frame Detector Parameters

C.8.19.6.5

U

X-Ray Calibration Device Usage

C.8.19.6.6

U

X-Ray Frame Acquisition

C.8.19.6.8

U

X-Ray Collimator

C.8.19.6.12

M

Breast X-Ray Positioner

C.8.31.2

C - Required if X-Ray Source moves relative to the patient. May be present otherwise.

Breast X-Ray Detector

C.8.31.3

C - Required if X-Ray Detector plane is not normal to the X-Ray beam vector. May be present otherwise.

Breast X-Ray Geometry

C.8.31.4

M

Breast X-Ray Acquisition Dose

C.8.31.5

M

Breast X-Ray Isocenter Reference System

C.8.31.6

M

X-Ray Grid

C.8.31.7

U

X-Ray Filter

C.8.31.8

U

A.74.4.1 Breast Projection X-Ray Image Functional Group Macros Content Constraints

A.74.4.1.1 Frame Anatomy Functional Group Macro

The Defined CID for the Anatomic Region Sequence (0008,2218) shall be CID 4013 “Anatomic Region for Mammography”.

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