Abstract：
OBJECTIVE:To assess the feasibility of subtracting various concentrations of iodinated contrast material on dual-energy computed tomographic (DECT) arthrography to provide both CT arthrography and virtual unenhanced CT (VUCT) in a single CT acquisition. MATERIALS AND METHODS:This was an in vitro study for which institutional review board approval was not required. CT arthrographies of 12 joints of pig cadavers were obtained using dual-energy CT. Various concentrations of iodinated contrast material, 25% (75 mg/ml), 50% (150 mg/ml), 75% (225 mg/ml), and 100% (300 mg/ml) were used for the DECT arthrography. The paired regions of interest (ROI) were drawn over the same location on two paired CT scans at different tube voltages (80 kVp and 140 kVp). The average Hounsfield units (HU) ratio of the contrast media(HU on CT at 80 kVp/HU on CT at 140 kVp) was calculated for each joint. Subtraction of contrast material was carried out using VUCT application RESULTS:The 25% iodinated contrast mixture was successfully subtracted from DECT arthrography of four joints, in which the average HU ratio ranged from 1.95 to 2.0. The subtraction of the 50%,75%, and 100% iodine contrast mixtures was not successful, because of the upper demonstrable HU limit in dual-energy CT. CONCLUSIONS:DECT arthrography with 25% iodinated contrast medium injection can provide both CT arthrography and virtual unenhanced images in a single CT acquisition.
journal_name
Skeletal Radioljournal_title
Skeletal radiologyauthors
Chai JW,Choi JA,Choi JY,Kim S,Hong SH,Kang HSdoi
10.1007/s00256-014-1817-6subject
Has Abstractpub_date
2014-05-01 00:00:00pages
673-8issue
5eissn
0364-2348issn
1432-2161journal_volume
43pub_type
杂志文章abstract：:An exceptionally rare case of periosteal Ewing's sarcoma involving the mid shaft of the right tibia was reported. In this case, MRI was the technique that confirmed the integrity of the bone marrow. The clinical, radiographic, and histopathologic features of Ewing's sarcoma have been discussed, as has the differential...
journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/BF00203705
更新日期：1994-01-01 00:00:00
abstract：:Paralabral cysts are often associated with labral and other intraarticular hip pathology; MRI as well as diagnostic ultrasound can assist in diagnosis. Although often considered a coincidental finding, paralabral cysts can be a separate pain generator about the hip through compression of surrounding anatomy. They can ...
journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-017-2856-6
更新日期：2018-06-01 00:00:00
abstract：:Intraosseous gout involving the patella is an unusual presentation of the common inflammatory crystal deposition disease. In most reported cases of gout in the patella, there is prominent involvement of the adjacent patellar or quadriceps tendons of the extensor mechanism. A report from Japan describes another pattern...
journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-020-03422-y
更新日期：2020-08-01 00:00:00
abstract：:CT-guided percutaneous needle biopsy of the spine is a well-described technique for determining the nature of indeterminate vertebral lesions or establishing a diagnosis of spinal infection, the high diagnostic accuracy and the safety of the procedure having been extensively documented. The purpose of the current arti...
journal_title：Skeletal radiology
pub_type： 杂志文章,评审
doi：10.1007/s00256-020-03584-9
更新日期：2021-02-01 00:00:00
abstract：:A skeletal seeking radiopharmaceutical labeled with a long-lived radionuclide was developed to evaluate regional bone formation and its subsequent resorption. The agent is [phosphonate (phenylmethylene hydroxy) bis] - I-125 or I-125 phi PA. Tissue distribution studies in mice (N = 16) showed approximately 40% of the a...
journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/BF00361978
更新日期：1982-01-01 00:00:00
abstract：:The posterolateral corner (PLC) is a complex functional unit, consisting of several structures, which is responsible for posterolateral stabilization. The PLC is not consistently defined in the literature. However, most descriptions include the popliteal tendon (PT), the lateral collateral ligament (LCL), the popliteo...
journal_title：Skeletal radiology
pub_type： 杂志文章,评审
doi：10.1007/s00256-006-0271-5
更新日期：2007-08-01 00:00:00
abstract：PURPOSE:The purpose of this study was to describe a new technique called MR plastination arthrography to study both intra- and extra-articular anatomy. MATERIALS AND METHODS:In six human cadaveric lower legs MR arthrography was performed in either a one-step or two-step procedure. In the former a mixture of diluted Ga...
journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-008-0631-4
更新日期：2009-07-01 00:00:00
abstract：:Tuberculosis remains a major international health problem despite advances in radiological diagnosis and antituberculous therapy. Disseminated tuberculous infection affecting a single bone and manifested as multifocal lytic cortical lesions is rare and unusual. We report on a 50-year-old man with multifocal involvemen...
journal_title：Skeletal radiology
pub_type： 杂志文章,评审
doi：10.1007/s00256-003-0714-1
更新日期：2004-04-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-019-3159-x
更新日期：2019-08-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-009-0770-2
更新日期：2009-12-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-007-0416-1
更新日期：2008-02-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-011-1197-0
更新日期：2012-05-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-006-0178-1
更新日期：2007-06-01 00:00:00
abstract：OBJECTIVE:To evaluate the feasibility of non-invasive diffusion-weighted imaging (DWI) of the knee of children with juvenile idiopathic arthritis (JIA) and, further, to analyze the apparent diffusion coefficient (ADC) levels to distinguish synovium from effusion. MATERIALS AND METHODS:Standard magnetic resonance imagi...
journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-015-2208-3
更新日期：2015-12-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/BF00347339
更新日期：1981-01-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-016-2376-9
更新日期：2016-07-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-019-03266-1
更新日期：2020-02-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s002560050302
更新日期：1997-11-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-012-1395-4
更新日期：2012-09-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s002560050217
更新日期：1997-03-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-020-03371-6
更新日期：2020-06-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-008-0552-2
更新日期：2008-12-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/BF00202702
更新日期：1990-01-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-015-2230-5
更新日期：2015-12-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-007-0310-x
更新日期：2007-10-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-020-03642-2
更新日期：2021-01-06 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s002560100393
更新日期：2001-11-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-006-0221-2
更新日期：2007-04-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/s00256-006-0194-1
更新日期：2007-06-01 00:00:00
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journal_title：Skeletal radiology
pub_type： 杂志文章
doi：10.1007/BF00202161
更新日期：1995-10-01 00:00:00
