CT Equipment and Reconstruction Terms Crossword

Simplest type of beam-restricting device, constructed of a flat piece of lead that has a hole in it (Johnston & Fauber, 2016)
Any unwanted image on a radiograph (Johnston & Fauber, 2016)
Located immediately below the tube window where the entrance shutters limit the x-ray beam field size (Johnston & Fauber, 2016)
Requires two types of highly sophisticated software-one for the operating system and one for applications (Kendrick & Lampignano, 2017)
Radiographic examination that displays sectional anatomic images in axial, sagittal, or coronal planes (Kendrick & Lampignano, 2017)
Value related to the attenuation characteristic of the tissue in the voxel, but not an attenuation coefficient; also referred to as the Hounsfield unit (Johnston & Fauber, 2016)
The physical component consisting of multiple detectors that efficiently absorb the transmitted radiation and accurately convert it to an electrical signal for display on a computer workstation (Johnston & Fauber, 2016)
Part of the computed tomography scanner that surrounds the patient and houses the x-ray tube and detectors (Johnston & Fauber, 2016)
Combination of rows and columns of pixels that make up a digital image (Johnston & Fauber, 2016)
Technique used to view vessels as demonstrated in computed tomography angiography (Kendrick & Lampignano, 2017)
Method by which images acquired in the axial plane may be reconstructed in the coronal or sagittal plane (Kendrick & Lampignano, 2017)
Hardware and software that allow computers to be connected for the purpose of sharing resources and interacting (Kendrick & Lampignano, 2017)
Includes keyboard, mouse, and multiple monitors (Johnston & Fauber, 2016)
Identifies the relationship between slice thickness or beam collimation and the distance the table travels every time the tube rotates (Johnston & Fauber, 2016)
Picture element; the smallest component of the matrix (Johnston & Fauber, 2016)
Predetermined procedure; in computed tomography, refers to the parameters of an examination (Kendrick & Lampignano, 2017)
Preliminary image of a computed tomography examination that is used to plan the range of the scan; depending on the vendor, it may be called a topogram or a scout (Kendrick & Lampignano, 2017)
Section of the object that is being scanned (Kendrick & Lampignano, 2017)
Devices that transmit electrical energy and allow continuous rotation of the x-ray tube for volumetric acquisition (Kendrick & Lampignano, 2017)
May be flat or curved and can be raised or lowered to help the patient get on and off (Johnston & Fauber, 2016)
Refers to acquisition of a volume of computed tomography data; the patient moves through the gantry with uninterrupted rotation and output of the x-ray tube; also may be referred to as helical or spiral scanning (Kendrick & Lampignano, 2017)
Volume element; determined by the size of the pixel and the tickness of the slice, the actual small amount of tissue that will be represented by one pixel (Johnston & Fauber, 2016)
Controls the brightness of an image within a certain range (Kendrick & Lampignano, 2017)
Controls the gray level of an image (Kendrick & Lampignano, 2017)
Adjusting the window width and window level on the digital image (Johnston & Fauber, 2016)
Computer that serves as a digital post-processing station or an image review station (Kendrick & Lampignano, 2017)
Has a molybdenum target with small focal spots of .3 and .1 millimeters (Kendrick & Lampignano, 2017)