Hologic Selenia - 1.11 Terms and Definitions

Selenia User Guide
Chapter 1—Introduction
MAN-03270 Revision 003 5
1.11 Terms and Definitions
Accession Number
A DICOM term that refers to a RIS-created number that
uniquely identifies a visit to a site by a patient.
ACR
American College of Radiology
Ag
Silver
AEC
Automatic Exposure Control. A method that limits the amount
of radiation a patient receives.
collimator
Device at the x-ray tube that limits the area of the receptor that
is exposed.
dialog box
A pop-up window that requires a user decision and a mouse or
trackball click before another activity can occur.
DICOM
Digital Imaging and Communications in Medicine. An industry
standard specification for communication between medical
imaging equipment.
digital marker
A software mechanism that marks an image to show some
information (normally orientation).
FAST Paddle™
Fully Automated Self-Adjusting Tilt Paddle system
Grid
Element within the Digital Image Receptor that reduces the
scatter radiation during exposure
HIS/RIS
Hospital Information System/Radiology Information System.
Generic term for non-PACS systems which track the Patient
demographics and ordered radiological studies
HTC™
High Transmission Cellular Grid
kV
Kilovolts: One of the x-ray exposure settings.
login/logout
The process of logging into and out of the Operating System of
the Acquisition Workstation
LUT Look-Up Table (LUT). An image processing function that
replaces one image pixel value with a different image pixel
value.
Mag
Magnification
mA
Milliamperes. One of the x-ray exposure settings.
mAs
Milliampere-seconds. An electrical term used in x-ray exposure
settings
Mo
Molybdenum
Modality Worklist
(MWL)
A list of scheduled procedures normally kept by a RIS or PACS.
MPPS
Modality Performed Procedure Step. A DICOM service to allow
the RIS (or another device) to know about work performed on
the Acquisition Workstation.
MQSA
Mammography Quality Standards Act
Operating System (OS)
The software control system which runs all functions of a
computer.