Results 131 to 140 of about 7,005,825 (157)

Clinical utility of consecutive volume scanning dual-energy CT in differentiating hemorrhage from contrast staining in ischemic stroke patients. [PDF]

J Appl Clin Med Phys
Pressram A, DeJesus R, Massini T, Khanna AY, Arreola M, Barreto IL.   +5 more
europepmc   +1 more source

Evaluation of the reliability of markerless tumor tracking with single-energy and dual-energy imaging using machine learning. [PDF]

J Appl Clin Med Phys
Nguyen H, Luce J, Zhu L, Lehmann M, Kang H, Harkenrider MM, Roeske JC.   +6 more
europepmc   +1 more source

Optimization of Er: YAG pulse duration and repetition rate for efficient, dentin‑preserving caries removal. [PDF]

Lasers Med Sci
Kong F, He F, Zhang Y, Li H, Niu C, Zhang P, Fu Y, Huang Z.   +7 more
europepmc   +1 more source

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A method for selective tissue and bone visualization using dual energy scanned projection radiography

Medical Physics, 1981
Information contained in the x‐ray energy spectrum can be used to produce selective radiographic images of bone or soft tissue. A method has been devised to separate bone and soft tissue based upon differences in photoelectric absorption and Compton scattering using an appropriate combination of images obtained with radiographic exposures at 70 KVP and
W R, Brody, G, Butt, A, Hall, A, Macovski   +3 more
openaire   +4 more sources

Performance characteristics of a dual‐energy detector for digital scan projection radiography

Medical Physics, 1987
An energy discriminating x‐ray detector has been developed for dual‐energy, scan projection digital radiography. The detector is comprised of a pair of x‐ray intensifying screen/linear photodiode arrays, aligned one behind the other. Energy discrimination is achieved by employing a low atomic number phosphor in the front screen and a high atomic number
D R, Morgan, R A, Sones, G T, Barnes
openaire   +2 more sources

Excretory urography using dual-energy scanned projection radiography.

Radiology, 1981
Excretory urograms of 10 patients were obtained using a GE 8800 CT scanner with Scout View which had been modified for dual-kVp scanned projection radiography. Using this system, it is possible to combine images obtained simultaneously at 85 and 135 kVp to create subtraction images from which substances of desired mean atomic number have been removed ...
F G, Sommer, W R, Brody, D, Gross, A, Macovski, A, Hall, N, Pelc   +5 more
openaire   +2 more sources

Dual-energy scanned projection radiography of osseous metastatic disease.

Investigative radiology, 1986
Dual-energy scanned projection radiography was used to evaluate eight patients with both lytic and blastic metastatic disease in the axial skeleton. The ability to selectively cancel obscuring soft-tissue structures from images resulted in improved conspicuity of involved sites, compared with conventional radiographic studies, despite greater quantum ...
D J, Sartoris, F G, Sommer, D A, Oppenheimer   +2 more
openaire   +1 more source

<title>Experimental System For Dual Energy Scanned Projection Radiography</title>

SPIE Proceedings, 1981
A. L. Hall, N. J. Pelc, S. J. Riederer, G. S. Keyes, W. R. Brody, L. A. Lehmann, A. Macovski, R. E. Alvarez   +7 more
openaire   +1 more source

Impact of dual-energy 50-keV virtual monoenergetic images on radiologist confidence in detection of key imaging findings of small hepatocellular carcinomas using multiphase liver CT

Acta Radiologica, 2022
Ashish Khandelwal, Matthew Johnson, Sudhakar Kundapur Venkatesh   +2 more
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