4 Symbols and abbreviations

The following symbols and abbreviations are used in this Part of the Standard.

ACR American College of Radiology

ASCII American Standard Code for Information Interchange

AE Application Entity

ANSI American National Standards Institute

BEV Beam’s-eye view

Brachy Brachytherapy

BRHC Bottom Right Hand Corner

CC Counter-clockwise

CDA Clinical Document Architecture (HL7)

CEN TC251 Comite European de Normalisation-Technical Committee 251-Medical Informatics

CCIR Consultative Committee, International Radio

Chest CAD Computer-Aided Detection and/or Computer-Aided Diagnosis for chest radiography

CTV Clinical target volume

CW Clockwise

DICOM Digital Imaging and Communications in Medicine

DIMSE DICOM Message Service Element

DIMSE-C DICOM Message Service Element-Composite

DIMSE-N DICOM Message Service Element-Normalized

DRR Digitally-reconstructed radiograph

DVH Dose-volume histogram

EPI Electronic Portal Image

EPID Electronic Portal Imaging Device

GTV Gross tumor volume

Gy Gray

HISPP Healthcare Information Standards Planning Panel

HL7 Health Level 7

HMD Hierarchical Message Description (HL7)

ICRU International Commission on Radiation Units

IE Information Entity

IEC International Electrotechnical Commission

IEEE Institute of Electrical and Electronics Engineers

IHE Integrating the Healthcare Enterprise

II Instance Identifier (HL7)

IOD Information Object Definition

ISO International Standards Organization

ITU-T International Telecommunications Union - Telecommunications Standardization Sector

IVOCT Intravascular Optical Coherence Tomography

JIRA Japan Industries Association of Radiological Systems

JPIP JPEG 2000 Interactive Protocol

LUT Lookup Table

MAC Message Authentication Code

Mammography CAD Computer-Aided Detection and/or Computer-Aided Diagnosis for Mammography

MeV Mega electron Volt

MLC Multileaf (multi-element) collimator

MSDS Healthcare Message Standard Developers Sub-Committee

MU Monitor unit

MV Megavolt

NaN Not a Number (See IEEE 754)

NEMA National Electrical Manufacturers Association

OID Object Identifier (ISO 8824)

OPT Ophthalmic Tomography

OSI Open Systems Interconnection

PDF Portable Document Format

PTV Planning target volume

R&V Record and verify

RCS Reference Coordinate System

ROI Region of interest

RT Radiotherapy

SAD Source-axis distance

SCP Service Class Provider

SCTP Structured Clinical Trial Protocol (HL7)

SCU Service Class User

SD Structured Documents (HL7)

SID Source Image Receptor Distance

SOD Source Object Distance

SOP Service-Object Pair

SPL Structured Product Labeling (HL7)

SR Structured Reporting

SSD Source-skin distance

TLHC Top Left Hand Corner

UID Unique Identifier

UUID Universal Unique Identifier (ISO/IEC 11578)

XDS Cross-Enterprise Document Sharing Profile (IHE)

XML Extensible Markup Language