DICOM PS3.3 2018d - Information Object Definitions

C.8.7.11 X-Ray Grid Module

This Module describes the Attributes related to the use of a grid to reduce scatter of X-Rays during the acquisition of an X-Ray image.

Table C.8-36. X-Ray Grid Module Attributes

Attribute Name

Tag

Type

Attribute Description

Grid

(0018,1166)

3

Identifies the grid. May be multi-valued.

Defined Terms:

FIXED

FOCUSED

RECIPROCATING

PARALLEL

CROSSED

NONE

Include Table C.8-36b “X-Ray Grid Description Macro Attributes”


Table C.8-36b. X-Ray Grid Description Macro Attributes

Attribute Name

Tag

Type

Attribute Description

Grid Absorbing Material

(0018,7040)

3

The X-Ray absorbing material used in the grid.

Grid Spacing Material

(0018,7041)

3

The spacing material used in the grid.

Grid Thickness

(0018,7042)

3

The thickness in mm of the X-Ray absorbing material used in the grid.

Grid Pitch

(0018,7044)

3

The pitch in mm of the X-Ray absorbing material used in the grid.

Grid Aspect Ratio

(0018,7046)

3

Ratio of the vertical spacing and horizontal spacing of the X-Ray absorbing material used in the grid. Specified by a pair of integer values where the first value is the vertical size, and the second value is the horizontal size.

Grid Period

(0018,7048)

3

Period in mSec of reciprocation cycle.

Only meaningful if a value of Grid (0018,1166) is RECIPROCATING.

Grid Focal Distance

(0018,704C)

3

Focal distance in mm of a FOCUSED grid.

Grid ID

(0018,1006)

3

Identifier of the grid


DICOM PS3.3 2018d - Information Object Definitions