Tomography spiral computed. Medical search. Frequent questions

Computed tomography, also called CT scan, CAT scan , or computerized axial tomography, is a combination of focused x-ray beams and computerized production of an image. (encyclopedia.com)
Contrast-enhanced computed tomography scan in a postpartum patient with fever that demonstrates bilateral ovarian vein thrombosis. (medscape.com)
To evaluate the spiral chest computed tomography (CT) scan findings in patients with multipletrauma during the COVID-19 pandemic. (magiran.com)
A computed tomography (CT) scan uses X-rays to make detailed pictures of structures inside of the body. (healthlinkbc.ca)
A special CT scanner called a spiral (helical) CT can provide a scan of the lungs in half the time of a standard CT scan. (healthlinkbc.ca)
The scientists think the imaging aspect of their technique may even be able to compete with the current method of diagnosing kidney stones - a spiral computed tomography (CT) scan. (livescience.com)
In a spiral computed tomography scan of the thorax, we found patchy ground glass and nodular opacities that were spread in both lungs, especially in posterior and lateral segments of the left lower lobe, the posterior segment of the right lower lobe, lingular, and the right upper lobe. (cdc.gov)
The most important advantages of multidetector spiral CT (MDCT) are its rapid scan speed and the increased zaxis spatial resolution. (koreamed.org)
Computed tomography was originally known as the "EMI scan" as it was developed at a research branch of EMI , a company best known today for its music and recording business. (wikidoc.org)
It was later known as computed axial tomography (CAT or CT scan) and body section roentgenography . (wikidoc.org)
A spiral or helical CT scan makes a series of very detailed pictures of areas inside the body using an x-ray machine that scans the body in a spiral path. (oncolink.org)
Those with a positive skin test or abnormal chest X-ray were further evaluated by chest spiral computed tomography (CT) scan and triple gastric washing. (who.int)

Recent developments of multislice computed tomography (MSCT) have made non invasive coronary angiography reliable for selected patients and new software facilitates truly volume measurements without geometrical assumptions. (nih.gov)
Composition of coronary atherosclerotic plaques in patients with acute myocardial infarction and stable angina pectoris determined by contrast-enhanced multislice computed tomography. (koreamed.org)

To quantitatively compare condylar morphology using cone beam computed tomography (CBCT) and multislice spiral computed tomography (MSCT) virtual three-dimensional surface models. (nih.gov)
Pretreatment cone beam computed tomography (CBCT) of 40 patients (age range 11-34 years) with unilateral impacted maxillary canines (IC) were analyzed. (medscimonit.com)
Cone beam computed tomography (CBCT), commonly recognized as digital volume tomography, pertains to the conversion of image data into digital formats and, of utmost significance, to the visual portrayal of anatomical structures in 3 dimensions [15]. (medscimonit.com)
Differently, in the Cone-beam Computed Tomography, the image is gotten through a single scanning, allowing that the image is reformatted without distortion and with a lesser radiation exposition. (bvsalud.org)

Based on types, the spectral computed tomography market is segmented into electron beam tomography, spiral CT, positron emission tomography (PET), multi-slice computed tomography, single-photon emission computed tomography, among others. (medgadget.com)
Positron emission tomography-computed tomography (better known as PET-CT) has revolutionized medical diagnosis since the first commercial systems reached the market in the early 2000s. (bvsalud.org)
1) This advanced nuclear imaging technique combines a positron emission tomography (PET) scanner and an X-ray computed. (bvsalud.org)

Computed tomography (CT) pulmonary angiography is highly specific for pulmonary embolism. (bmj.com)
4. Foley WD, Karcaaltincaba M. Computed tomography angiography : principles and clinical applications. (koreamed.org)
Objectives: To test if the etCO 2 /O 2 can produce clinically important changes in the probability of segmental or larger PE on computerized tomography multidetector-row pulmonary angiography (MDCTPA) in a moderate-risk population with a positive D-dimer. (northwestern.edu)
The guideline will provide a review of diagnostic modalities for patients with small bowel hemorrhage including VCE, endoscopic evaluation with push and/or deep enteroscopy, and radiographic modalities including cross-sectional imaging (computed tomography (CT) and magnetic resonance (MR)) enterography, angiography, and scintigraphy. (medscape.com)

Peripheral lung cancer: screening and detection with low-dose spiral CT versus radiography. (rsna.org)

After corresponding intervention for each group, the tumor volume was measured by ultrasonography and spiral computed tomography. (jcimjournal.com)

Tomography had been one of the pillars of radiologic diagnostics until the late 1970s, when the availability of minicomputers and of the transverse axial scanning method, this last due to the work of Godfrey Newbold Hounsfield and Allan McLeod Cormack , gradually supplanted it as the modality of CT. (wikidoc.org)
This procedure is also called computed tomography, computerized tomography, or computerized axial tomography. (oncolink.org)
In computed tomography (CT), which used to be called computed axial tomography (CAT), an x-ray source and x-ray detector rotate around a person. (msdmanuals.com)

New 'multi-slice' spiral CT scanners are now being developed that can collect up to four slices of data during spiral CT mode and some rotate at speeds up to 120 rpm (rotations per minute). (imaginis.com)

To determine the range of growth rates of stage I lung cancers prior to treatment by using volumetric measurement at serial chest computed tomographic (CT) examinations. (rsna.org)
Computed tomographic enterography should be performed in patients with suspected obstruction before VCE or after negative VCE examinations. (medscape.com)

Background: The patient population derived from lung cancer screening programs with low-dose spiral computed tomography (LDCT) is different from the general population accessing thoracic surgical services. (unisr.it)
To review the evidence on screening for lung cancer with low-dose computed tomography (LDCT) to inform the US Preventive Services Task Force (USPSTF). (uspreventiveservicestaskforce.org)

Detection of coronary artery stenoses by contrast-enhanced, retrospectively electrocardiographically-gated, multislice spiral computed tomography. (scirp.org)
A giant left circumflex coronary artery-right atrium arteriovenous fistula detected by multislice spiral computed tomography. (scirp.org)
Several studies noted an association between coronary calcification and thoracic aorta calcification by several imaging techniques, but this association has not yet been examined in stable angina pectoris patients with the use of spiral computed tomography. (ima.org.il)

Kalender was also elected a member of the National Academy of Engineering (2016) for the development of spiral computed tomography methods that enable modern high-speed 3D medical imaging with X-rays. (wikipedia.org)
The increasing demand for medical imaging is positively influencing the demand for spectral computed tomography. (medgadget.com)
Liver imaging with multidetector helical computed tomography. (koreamed.org)
Computed tomography (CT) is a medical imaging method employing tomography . (wikidoc.org)
However, spiral CT has kept computed tomography as the primary digital technique for imaging the chest, lungs, abdomen and bones due to its ability to combine fast data acquisition and high resolution in the same study. (imaginis.com)
2 Computed tomography is one of the imaging modalities most often used when cross-sectional image guidance is required in percutaneous interventional procedures 3 . (siemens-healthineers.com)
The technology of medical imaging has undergone a tremendous change since the Nobel prize-winning development of computed tomography. (mtmi.net)
Advances in computer technology, as well as in medical imaging technologies such as computed tomography (CT) and magnetic resonance imaging (MRI), and their wide availability have enabled voxelized phantoms, and BREP phantoms to become the standard for dosimetry studies. (sciendo.com)

Computed tomography (CT) scans are completed with the use of a 360-degree x-ray beam and computer production of images. (encyclopedia.com)
Computed tomography where there is continuous X-ray exposure to the patient while being transported in a spiral or helical pattern through the beam of irradiation. (uchicago.edu)
This photo simulates the path that the x-ray beam makes as spiral CT data acquisition of the abdomen is being made. (imaginis.com)
Although the spiral or Fan-beam Computed Tomography offers three-dimensional images without overlapping, expects certain inherent distortion the lesser specificity of the technique and to the process of attainment of images divided in small slices. (bvsalud.org)

The computed tomography (CT) technology has recently leaped with the advent of the multidetector row technique since the introduction of spiral CT. (koreamed.org)

Mass screening for lung cancer with mobile spiral computed tomography scanner. (rsna.org)

Can lung cancer screening by computed tomography be effective in areas with endemic histoplasmosis? (uchicago.edu)
The study aimed to evaluate the diaphragm morphology (height and thickness) in single-lung transplantation (SLTx), using computed tomography (CT), by assessing the evolution of the hemidiaphragm of the transplanted and the native side. (frontiersin.org)
The development of low-dose spiral computed tomography (CT) has rekindled hope that effective lung cancer screening might yet be found. (columbia.edu)
Instead of acquiring a stack of individual slices which may be misaligned due to slight patient motion or breathing (and lung/abdomen motion) in between each slice acquisition, spiral CT acquires a volume of data with the patient anatomy all in one position. (imaginis.com)

By end users, the spectral computed tomography market is segmented into hospitals, diagnostic centers, and others. (medgadget.com)

These spiral CT scanners can now image entire anatomic regions like the lungs in a quick 20 to 30 second breath hold. (imaginis.com)

In the past several years, significant advances in the technology of Computed Tomography (CT) have driven an expansion in the clinical applications and an increase in the number of CT scans performed. (mtmi.net)
Dual Source CT is capable of high-pitch spiral scans, resulting in unparalleled routine acquisition speeds that help you keep patient motion in check. (siemens-healthineers.com)

Tomography, Spiral Computed" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (uchicago.edu)

These systems can collect up to eight times as much data versus previous state-of-the-art spiral CT systems that rotate at 60 rpm and only collect one slice of data at a time. (imaginis.com)

Because the person is moving in a straight line and the detectors are moving in a circle, the series of measurements appear to be taken in a spiral fashion around the person-hence the term spiral (helical) CT. (msdmanuals.com)

Spiral CT gets its name from the circular movement of the scanner around your body. (healthlinkbc.ca)
In computed tomography, a scanner produces and records x-rays as it rotates around a person, who is moved through the scanner on a motorized table. (msdmanuals.com)

This provides improved three-dimensional contrast and spatial resolution compared to conventional computed tomography, where data is obtained and computed from individual sequential exposures. (uchicago.edu)
Note that patients who have undergone total abdominal hysterectomy and bilateral salpingo-oophorectomy with retroperitoneal lymph node dissection can incidentally demonstrate ovarian vein thrombosis on contrast-enhanced computed tomography [CT] scanning. (medscape.com)
To investigate whether double helical computerized tomography- both with and without contrast injection - may represent a useful technique for noninvasive detection of PAA in stroke patients. (ima.org.il)
The Swedish Society of Uroradiology has revised their computed tomography (CT) guidelines regarding iodine contrast media-induced acute kidney injury (CI-AKI). (lu.se)

All patients with multiple trauma who had undergone a chest spiral CT were includedin this study. (magiran.com)
The external validation used data from 221 patients diagnosed with PE via spiral computed tomography at three university hospitals in Switzerland and one in France. (aafp.org)
As per the analysis, the Americas region is expected to maintain its lead in the spectral computed tomography market due to the incidence of vast patients enduring cancer, cardiovascular diseases, and orthopaedic diseases. (medgadget.com)
To examine by spiral CT the association between the presence and severity of CC [2] and thoracic aorta calcification in patients with stable angina pectoris. (ima.org.il)
Our study demonstrates a strong association between the presence and severity of CC and the presence and severity of calcification of thoracic aorta in patients with stable angina pectoris as detected by spiral CT. (ima.org.il)
In patients with occult hemorrhage or stable patients with active overt bleeding, multiphasic computed tomography should be performed after VCE or CTE to identify the source of bleeding and to guide further management. (medscape.com)

the source of infection was chest spiral CT along with a positive usually adults. (who.int)

The evaluation of the regions in the spectral computed tomography market comprises of Africa, Europe, Asia Pacific, North America, and the Middle East. (medgadget.com)
Measures for evaluation included spiral computed tomography (SCT), Micro-CT, microvessel density, and pull-out experiment, and data were collected and analyzed. (avmi.net)

Spiral CT allows the acquisition of CT data that is perfectly suited to three-dimensional reconstruction. (imaginis.com)

The technology of computed tomography has made significant strides in the past several years. (mtmi.net)

his Hirsch-index is cited with a 69 (ISI-Web of Knowledge, 2018) Twelve out of 286 original scientific papers: [1] Kalender WA, Klotz E, Süß C. An integral approach to vertebral bone mineral analysis by X-ray computed tomography. (wikipedia.org)

Anatomy45

Organisms11

Diseases44

Chemicals and Drugs26

Analytical, Diagnostic and Therapeutic Techniques and Equipment100

Psychiatry and Psychology3

Phenomena and Processes23

Disciplines and Occupations3

Technology, Industry, Agriculture2

Information Science12

Health Care17

Scan12

Multislice computed tomography2

Cone beam computed4

Positron emission t3

Angiography4

Radiography1

Ultrasonography1

Axial3

Multi-slice1

Tomographic2

LDCT2

Coronary3

Imaging8

Beam4

Multidetector row1

Screening for lung cancer1

Lung4

Diagnostic1

Anatomic1

Scans2

MeSH1

Versus1

Helical CT1

Scanner2

Contrast4

Patients6

Chest spiral1

Evaluation2

Data1

Made1

Analysis1