January 17, 2007 8F2927 Glossary-1
Glossary
CR Computed Radiography, the process of creating digital radiographic images.
CT Computed Tomography, the process of creating digital tomographic images.
Cycle power Cycle power means to shut down and power up the Laser Imager.
DICOM Digital Imaging and Communications in Medicine. A TCP/IP-based protocol
for transmitting and receiving medical imaging and related data over a
network.
Dmax Dmax means maximum density. Dmax is the density of an area on the film that
has received maximum exposure.
Dmin Dmin means minimum density. Dmin is the density of an unexposed area on
the film.
DR Digital radiography, the process of creating digital radiographic images.
DRE DICOM Raster Engine.
DSA Digital Subtraction Angiography.
GSDF Grayscale Standard Display Function.
GSM Gray Scale Manager.
Film model The film model defines the print characteristics for a particular lot of film.
Key operator The person(s) designated by the department manager to receive applications
training and allowed access to password-protected areas to make system
changes.
LED Light Emitting Diode.
Modality Medical equipment that actually generates medical images (for example, an
MRI).
Monotonic Continuously increasing. When a calibration sheet, which consists of strips of
increasing density (Dmin) to maximum density (Dmax), is read by the
densitometer, the density values must be monotonic (continuously
increasing). If they are not, an error message is generated.
MPDB Modality Preferences Database.
MR Magnetic Resonance.
N/A Not available or not applicable
Platen The metal surface on which the film rests as it is exposed.
PLUT Presentation Look-Up Table.
PMM Processor Preventive Maintenance Module, a replaceable filter on the Imager.
QC step wedge Mammography Quality Control Test Pattern.
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