en.unionpedia.org

Spectral imaging (radiography), the Glossary

Spectral imaging is an umbrella term for energy-resolved X-ray imaging in medicine.^[1]

46 relations: Absorbed dose, Absorption edge, Atheroma, Atomic number, Attenuation coefficient, Beer–Lambert law, Bone density, Breast cancer screening, Bruise, Cadmium telluride, Cadmium zinc telluride, Calcium, Compton scattering, Contrast agent, Contrast-to-noise ratio, CT scan, Cyst, Effective atomic number (compounds and mixtures), Electron density, Gadolinium, Gallium arsenide, Godfrey Hounsfield, Gold, Gout, Iodine, Karolinska University Hospital, Kidney stone disease, Mercury(II) iodide, Microcalcification, Molecular imaging, Neoplasm, Noise (electronics), Photoelectric effect, Photon counting, Photon-counting computed tomography, Photon-counting mammography, Poisson distribution, Radiation therapy, Radiography, Silicon, Silver, Trabecular oedema, X-ray absorption spectroscopy, X-ray detector, X-ray tube, Zirconium.
Projectional radiography
X-ray computed tomography

Absorbed dose

Absorbed dose is a dose quantity which is the measure of the energy deposited in matter by ionizing radiation per unit mass.

See Spectral imaging (radiography) and Absorbed dose

Absorption edge

In physics, an absorption edge (also known as an absorption discontinuity or absorption limit) is a sharp discontinuity in the absorption spectrum of a substance.

See Spectral imaging (radiography) and Absorption edge

Atheroma

An atheroma, or atheromatous plaque, is an abnormal accumulation of material in the inner layer of an arterial wall.

See Spectral imaging (radiography) and Atheroma

Atomic number

The atomic number or nuclear charge number (symbol Z) of a chemical element is the charge number of an atomic nucleus.

See Spectral imaging (radiography) and Atomic number

The linear attenuation coefficient, attenuation coefficient, or narrow-beam attenuation coefficient characterizes how easily a volume of material can be penetrated by a beam of light, sound, particles, or other energy or matter.

See Spectral imaging (radiography) and Attenuation coefficient

Beer–Lambert law

The Beer–Lambert law is commonly applied to chemical analysis measurements to determine the concentration of chemical species that absorb light.

See Spectral imaging (radiography) and Beer–Lambert law

Bone density

Bone density, or bone mineral density, is the amount of bone mineral in bone tissue.

See Spectral imaging (radiography) and Bone density

Breast cancer screening

Breast cancer screening is the medical screening of asymptomatic, apparently healthy women for breast cancer in an attempt to achieve an earlier diagnosis.

See Spectral imaging (radiography) and Breast cancer screening

Bruise

A bruise, also known as a contusion, is a type of hematoma of tissue, the most common cause being capillaries damaged by trauma, causing localized bleeding that extravasates into the surrounding interstitial tissues.

See Spectral imaging (radiography) and Bruise

Cadmium telluride

Cadmium telluride (CdTe) is a stable crystalline compound formed from cadmium and tellurium.

See Spectral imaging (radiography) and Cadmium telluride

Cadmium zinc telluride

Cadmium zinc telluride, (CdZnTe) or CZT, is a compound of cadmium, zinc and tellurium or, more strictly speaking, an alloy of cadmium telluride and zinc telluride.

See Spectral imaging (radiography) and Cadmium zinc telluride

Calcium

Calcium is a chemical element; it has symbol Ca and atomic number 20.

See Spectral imaging (radiography) and Calcium

Compton scattering

Compton scattering (or the Compton effect) is the quantum theory of high frequency photons scattering following an interaction with a charged particle, usually an electron.

See Spectral imaging (radiography) and Compton scattering

Contrast agent

A contrast agent (or contrast medium) is a substance used to increase the contrast of structures or fluids within the body in medical imaging.

See Spectral imaging (radiography) and Contrast agent

Contrast-to-noise ratio

Contrast-to-noise ratio (CNR) is a measure used to determine image quality.

See Spectral imaging (radiography) and Contrast-to-noise ratio

CT scan

A computed tomography scan (CT scan; formerly called computed axial tomography scan or CAT scan) is a medical imaging technique used to obtain detailed internal images of the body. Spectral imaging (radiography) and cT scan are x-ray computed tomography.

See Spectral imaging (radiography) and CT scan

Cyst

A cyst is a closed sac, having a distinct envelope and division compared with the nearby tissue.

See Spectral imaging (radiography) and Cyst

Effective atomic number (compounds and mixtures)

The atomic number of a material exhibits a strong and fundamental relationship with the nature of radiation interactions within that medium.

See Spectral imaging (radiography) and Effective atomic number (compounds and mixtures)

Electron density

Electron density or electronic density is the measure of the probability of an electron being present at an infinitesimal element of space surrounding any given point.

See Spectral imaging (radiography) and Electron density

Gadolinium

Gadolinium is a chemical element; it has symbol Gd and atomic number 64.

See Spectral imaging (radiography) and Gadolinium

Gallium arsenide

Gallium arsenide (GaAs) is a III-V direct band gap semiconductor with a zinc blende crystal structure.

See Spectral imaging (radiography) and Gallium arsenide

Godfrey Hounsfield

Sir Godfrey Newbold Hounsfield (28 August 1919 – 12 August 2004) was a British electrical engineer who shared the 1979 Nobel Prize for Physiology or Medicine with Allan MacLeod Cormack for his part in developing the diagnostic technique of X-ray computed tomography (CT). Spectral imaging (radiography) and Godfrey Hounsfield are x-ray computed tomography.

See Spectral imaging (radiography) and Godfrey Hounsfield

Gold

Gold is a chemical element; it has symbol Au (from the Latin word aurum) and atomic number 79.

See Spectral imaging (radiography) and Gold

Gout

Gout is a form of inflammatory arthritis characterized by recurrent attacks of pain in a red, tender, hot, and swollen joint, caused by the deposition of needle-like crystals of uric acid known as monosodium urate crystals.

See Spectral imaging (radiography) and Gout

Iodine

Iodine is a chemical element; it has symbol I and atomic number 53.

See Spectral imaging (radiography) and Iodine

Karolinska University Hospital

The Karolinska University Hospital (Karolinska universitetssjukhuset) is a teaching hospital affiliated with Karolinska Institutet in Stockholm, Sweden, with two major sites in the municipalities of Solna and Huddinge.

See Spectral imaging (radiography) and Karolinska University Hospital

Kidney stone disease

Kidney stone disease, also known as renal calculus disease, nephrolithiasis or urolithiasis, is a crystallopathy where a solid piece of material (renal calculus) develops in the urinary tract.

See Spectral imaging (radiography) and Kidney stone disease

Mercury(II) iodide

Mercury(II) iodide is a chemical compound with the molecular formula HgI2.

See Spectral imaging (radiography) and Mercury(II) iodide

Microcalcification

Microcalcifications are tiny deposits of calcium salts that are too small to be felt but can be detected by imaging.

See Spectral imaging (radiography) and Microcalcification

Molecular imaging

Molecular imaging is a field of medical imaging that focuses on imaging molecules of medical interest within living patients. Spectral imaging (radiography) and Molecular imaging are medical imaging.

See Spectral imaging (radiography) and Molecular imaging

Neoplasm

A neoplasm is a type of abnormal and excessive growth of tissue.

See Spectral imaging (radiography) and Neoplasm

Noise (electronics)

In electronics, noise is an unwanted disturbance in an electrical signal.

See Spectral imaging (radiography) and Noise (electronics)

Photoelectric effect

The photoelectric effect is the emission of electrons from a material caused by electromagnetic radiation such as ultraviolet light.

See Spectral imaging (radiography) and Photoelectric effect

Photon counting

Photon counting is a technique in which individual photons are counted using a single-photon detector (SPD). Spectral imaging (radiography) and photon counting are Photonics.

See Spectral imaging (radiography) and Photon counting

Photon-counting computed tomography

Photon-counting computed tomography (PCCT) is a form of X-ray computed tomography (CT) in which X-rays are detected using a photon-counting detector (PCD) which registers the interactions of individual photons.

See Spectral imaging (radiography) and Photon-counting computed tomography

Photon-counting mammography

Photon-counting mammography was introduced commercially in 2003 and was the first widely available application of photon-counting detector technology in medical x-ray imaging. Spectral imaging (radiography) and photon-counting mammography are Projectional radiography.

See Spectral imaging (radiography) and Photon-counting mammography

Poisson distribution

In probability theory and statistics, the Poisson distribution is a discrete probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time if these events occur with a known constant mean rate and independently of the time since the last event.

See Spectral imaging (radiography) and Poisson distribution

Radiation therapy

Radiation therapy or radiotherapy (RT, RTx, or XRT) is a treatment using ionizing radiation, generally provided as part of cancer therapy to either kill or control the growth of malignant cells.

See Spectral imaging (radiography) and Radiation therapy

Radiography

Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation to view the internal form of an object.

See Spectral imaging (radiography) and Radiography

Silicon

Silicon is a chemical element; it has symbol Si and atomic number 14.

See Spectral imaging (radiography) and Silicon

Silver

Silver is a chemical element; it has symbol Ag (derived from Proto-Indo-European ''*h₂erǵ'')) and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. The metal is found in the Earth's crust in the pure, free elemental form ("native silver"), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite.

See Spectral imaging (radiography) and Silver

References

[1] https://en.wikipedia.org/wiki/Spectral_imaging_(radiography)

Spectral imaging (radiography), the Glossary

Table of Contents

See also

Projectional radiography

X-ray computed tomography

References