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(also body section roentgenography or sectional radiography), a technique of roentgenological study that is used to produce a photograph of a layer lying at a specific depth in the object under study.

Ordinary roentgenography results in the production on film of an overall image, from which it is not always possible to determine the true shape and size of a formation or the depth at which it lies. The production of a roentgenogram of a single layer is based on the movement of two of the three components (the X-ray tube, the X-ray film, and the object of study). In the most common technique, the patient is motionless, and the X-ray tube and film magazine move around him in opposite directions. The use of tomography makes possible the study of the trachea, the bronchi, and the blood vessels and the detection of infiltrates and cavities of the lungs, calculi in the kidney, gallbladder, and bile ducts, and tumors in the adrenals and urinary system. The combined use of X-ray contrast media and tomography (sectional bronchography, urography, and so on) is highly effective.


Gladysz, B. Tomografiia v klinicheskoi praktike. Warsaw, 1965. (Translated from Polish.)



An X-ray technique that shows a single plane (slice) of the object under examination, typically a part of the human body. See CAT scan.
References in periodicals archive ?
A comparison between peripheral and central origin in elderly patients with vestibular vertigo by using magnetic resonance angiography and single photon emission computed tomography using 1-123 iodoamphetamine [in Japanese].
After conducting single photon emission computed tomography (SPECT), the researchers found that both groups experienced some benefit from the training-those in IBMT showed dramatic differences based on brain-imaging and physiological testing.
Study patients receive technetium-99m-EC-G (99mTc-EC-G) intravenously, and a picture, or image, of the cancer area is taken using a Single Photon Emission Computed Tomography (SPECT) camera, commonly referred to as a gamma camera.
As a result, the portable, high-resolution Single Photon Emission Computed Tomography (SPECT) camera will now be made available within the European Union and other select markets.
Commonly used medical imaging modalities capable of producing multidimensional images for radiological applications are X - ray computed tomography (X-ray CT), magnetic resonance imaging (MRI), single photon emission computed tomography (SPECT), positron emission tomography (PET), and ultrasound.
Similarly, single photon emission computed tomography (SPECT) scanners have been on the forefront to bring about significant changes in the diagnostic imaging equipment landscape by opening up numerous lucrative opportunities in niche market such as neuroendocrine tumor imaging.
a worldwide leader in diagnostic medical imaging, today announced preliminary data from a single site participating in the multicenter Phase 2 clinical trial that showed that Positron Emission Tomography (PET) imaging with its novel investigational agent flurpiridaz F 18 injection (formerly known as BMS747158) provided better image quality than technetium-99m sestamibi single photon emission computed tomography (SPECT), the current standard for the non-invasive detection of coronary artery disease (CAD).
The study of nine patients compared rest-stress flurpiridaz F 18 PET MPI, with rest-stress technetium-99m (Tc-99m) labeled single photon emission computed tomography (SPECT) for the detection and evaluation of coronary artery disease (CAD).
The report provides market landscape, competitive landscape and market trends information on two market categories - gamma camera, single photon emission computed tomography, and positron emission tomography.
Analysis the latest innovations in diagnostics imaging in the oncology sector, covering Magnetic Resonance Imaging (MRI), x-ray, Computed Tomography (CT), ultrasound, Positron Emission Tomography (PET), Single Photon Emission Computed Tomography (SPECT) and Flow Cytometry.

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