Additional Topics > Medical Imaging in IDL > IDL DICOM Reference > IDLffDicomEx::GetDescription

# IDLffDicomEx::GetDescription

The IDLffDicomEx::GetDescription function method returns the description associated with a public DICOM attribute specified by a standard DICOM attribute tag.

## Syntax

Result = Obj->[IDLffDicomEx::]GetDescription(DicomTag )

## Return Value

## Arguments

### DicomTag

A string that identifies the group and element of a DICOM attribute in the form 'XXXX,XXXX'. The DicomTag argument must reference a public tag. See DICOM Attributes for a list of tags.

## Keywords

None

## Example

The following example returns the description of Photometric Interpretation attribute from a DICOM file in the `examples\data` directory. See PHOTOMETRIC_INTERPRETATION"for more information on this attribute.

PRO read_attrdescription_doc

; Select a DICOM file to examine.

sFile = DIALOG_PICKFILE( $

PATH=FILEPATH('',SUBDIRECTORY=['examples','data']), $

TITLE='Select DICOM Patient File', FILTER='*.dcm', $

GET_PATH=path)

; Open the selected file in read-only mode.

oImg = OBJ_NEW('IDLffDicomEx', sfile)

; Return the photometric interpretation description.

result = oImg->GetDescription('0028,0004')

Print, 'Result is ', result

END

For the `mr_knee.dcm` file, the following appears in the Output Log window:

Result is Photometric Interpretation

## Version History

6.1 | Introduced