High-Resolution Computed Tomography Manifestations of 5 Pediatric Patients With 2019 Novel Coronavirus.

abstract：:The presence of superior mesenteric artery aneurysms may be suspected on the basis of clinical and ultrasound findings. These lesions have a suggestive appearance on computed tomography, but for a preoperative assessment angiography is always indicated. Two cases are presented. ...

journal_title：Journal of computer assisted tomography

authors： Passariello R,Simonetti G,Rovighi L,Ciolina A

更新日期：1980-10-01 00:00:00

abstract：OBJECTIVE:The aim of the study was to establish the reference window settings for display of virtual monoenergetic images (VMIs) from spectral detector computed tomography when assessing hypodense liver lesions. METHODS:In patients with cysts (n = 24) or metastases (n = 26), objective (HU, signal-to-noise ratio [SNR])...

journal_title：Journal of computer assisted tomography

authors： Große Hokamp N,Obmann VC,Kessner R,Gilkeson RC,Gupta A,Persigehl T,Haneder S,Ramaiya N

更新日期：2018-11-01 00:00:00

abstract：:To evaluate the ability of gradient echo MR to define the vacuum phenomena, 14 cadaveric lumbar spines were imaged by spin echo and gradient echo MR, CT, and plain radiography following injection of varying amounts of air into the intervertebral disks. Gradient echo MR was more sensitive than spin echo MR or plain rad...

journal_title：Journal of computer assisted tomography

authors： Berns DH,Ross JS,Kormos D,Modic MT

更新日期：1991-03-01 00:00:00

abstract：:A new head holder for the fixation and repositioning of the patient head in PET, CT, and MR scanners has been designed and tested. With this device, a bidimensional correlation between functional and anatomical brain images can also be obtained. Head fixation and repositioning are achieved using the patient's dental m...

journal_title：Journal of computer assisted tomography

authors： Bettinardi V,Scardaoni R,Gilardi MC,Rizzo G,Perani D,Paulesu E,Striano G,Triulzi F,Fazio F

更新日期：1991-09-01 00:00:00

abstract：:Cystic hygromas most often occur in the neck in children and are benign lesions not associated with cranial nerve palsies. We present two cases in which a facial nerve paralysis was one of the presenting symptoms. The computed tomographic (CT) scans localized the lesions, suggested a diagnosis, and obviated angiograph...

journal_title：Journal of computer assisted tomography

authors： Som PM,Zimmerman RA,Biller HF

更新日期：1984-02-01 00:00:00

abstract：OBJECTIVE:To determine the normal anatomical features and variations of the bronchial arterial system and to determine the relationship among ectopic bronchial arteries, location (right-left) of the bronchial arteries, and variations of the aortic arch in patients as well as the sex of the patients who underwent multid...

journal_title：Journal of computer assisted tomography

authors： Battal B,Akgun V,Karaman B,Bozlar U,Tasar M

更新日期：2011-03-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to assess the feasibility of performing diagnostic-quality contrast-enhanced excretory magnetic resonance urography (eMRU) at 3T, examining both image quality and diagnostic accuracy for a range of urinary tract abnormalities. METHODS:The diuretic-enhanced 3T eMRUs of 37 patie...

journal_title：Journal of computer assisted tomography

authors： Childs DD,Leyendecker JR,Gianini J,Hall C

更新日期：2013-01-01 00:00:00

abstract：:Serial computed tomography (CT) demonstrated complete resolution of severe periventricular hypodensity occurring in a child after receiving prophylaxis for acute lymphocytic leukemia. The resolution of this encephalopathy suggests that early changes of subacute necrotizing leukoencephalopathy are reversible and CT is ...

journal_title：Journal of computer assisted tomography

authors： Wendling LR,Bleyer WA,Di Chiro G,McIlvanie SK

更新日期：1978-09-01 00:00:00

abstract：:Dural venous thrombosis can have a rapidly progressive fatal course if unrecognized; its clinical picture is often confusing. Numerous CT, magnetic resonance (MR), and angiographic findings have been described to help recognize this entity. We present a case of dilated transcerebral medullary veins as a sign of superi...

journal_title：Journal of computer assisted tomography

authors： Anderson SC,Shah CP,Murtagh FR

更新日期：1987-11-01 00:00:00

abstract：PURPOSE:The purpose of this work was to determine the range of normal measurements for the thyroid gland on chest CT scans and relate it to the dimensions of the trachea. METHOD:Chest CT scans in 118 patients were examined prospectively for visibility of the thyroid gland and its relationship to the trachea. The great...

journal_title：Journal of computer assisted tomography

authors： Prince JS,Stark P

更新日期：2002-05-01 00:00:00

abstract：:Gadolinium diethylenetriamine pentaacetic acid (DTPA) enhanced magnetic resonance imaging was performed in eight patients with Cushing disease and surgically proven pituitary microadenomas. A 1.5 T scanner was used with 3 mm contiguous slices. Short repetition times (TR), short echo times (TE), and long TR, long TE se...

journal_title：Journal of computer assisted tomography

authors： Doppman JL,Frank JA,Dwyer AJ,Oldfield EH,Miller DL,Nieman LK,Chrousos GP,Cutler GB Jr,Loriaux DL

更新日期：1988-09-01 00:00:00

abstract：PURPOSE:Our goal was to characterize the MR features of pathologically documented gliosarcoma and to determine if these features help differentiate gliosarcoma from other intracranial neoplasms. METHOD:MR studies of six patients with pathologically documented gliosarcoma were retrospectively analyzed. RESULTS:The tum...

journal_title：Journal of computer assisted tomography

authors： Dwyer KW,Naul LG,Hise JH

更新日期：1996-09-01 00:00:00

abstract：:The magnetic resonance (MR) demonstration of a pituitary adenoma associated with McCune-Albright syndrome is presented. A useful role for routine MR imaging of the sella turcica in all cases of clinically suspected McCune-Albright syndrome is suggested. This is especially important in patients with leontiasis ossea se...

journal_title：Journal of computer assisted tomography

authors： O'Laughlin RL,Selinger SE,Moriarty PE

更新日期：1989-07-01 00:00:00

abstract：:We report a case of abnormal pancreaticobiliary junction (APBJ), in which three-dimensional (3D) drip infusion cholangiography (DIC) computed tomography (CT) was useful to make the diagnosis. The 3D DIC CT clearly demonstrated reflux of the contrast material into the main pancreatic duct as well as a long common chann...

journal_title：Journal of computer assisted tomography

authors： Nambu A,Ichikawa T,Katoh K,Araki T

更新日期：2001-07-01 00:00:00

abstract：:Elevation of the anterior part of the right diaphragm results in the spurious radiological appearance of a mass at the right lung base. Standard chest views are usually sufficient to show the true nature of the "mass." Occasionally, however, a true mass lesion cannot be entirely excluded, and further studies are then ...

journal_title：Journal of computer assisted tomography

authors： Rubinstein ZJ,Solomon A

更新日期：1981-10-01 00:00:00

abstract：:A case of leiomyosarcoma of the kidney is reported here with its CT and MRI manifestations correlated to the pathologic findings. The leiomyosarcoma appeared as a well-defined multinodular mass of varying density and signal intensity on CT and MRI, respectively. The low signal-intensity regions on T2-weighted MRI exhi...

journal_title：Journal of computer assisted tomography

authors： Ochiai K,Onitsuka H,Honda H,Kawamoto K,Uozumi J,Kumazawa J,Masuda K

更新日期：1993-07-01 00:00:00

abstract：OBJECTIVES:The objective of this study was to assess the objective and subjective qualities of the contrast-enhanced 4-dimensional dual-energy computed tomography using adaptive statistical iterative reconstruction (ASiR) and ASiR-V. METHODS:The virtual monochromatic images at 60 keV were reconstructed using filtered ...

journal_title：Journal of computer assisted tomography

authors： Ohira S,Kanayama N,Wada K,Washio H,Karino T,Ueda Y,Inui S,Miyazaki M,Koizumi M,Teshima T

更新日期：2021-01-01 00:00:00

abstract：PURPOSE:The purpose of our study was to test dynamic helical CT (hCT) in the evaluation of breast tumors. METHOD:Thirty-six patients with 39 suspected lesions underwent breast hCT before and 1, 3, and 8 min after intravenous contrast medium administration. A marked enhancement (> or = 100%) at 1 or 3 min without incre...

journal_title：Journal of computer assisted tomography

authors： Sardanelli F,Calabrese M,Zandrino F,Melani E,Parodi R,Imperiale A,Massa T,Parodi G,Canavese G

更新日期：1998-05-01 00:00:00

abstract：PURPOSE:The purpose of this work was to determine the accuracy of predicting arterial enhancement from peripheral versus central venous test bolus injections at CT angiography (CTA). METHOD:In 40 patients with abdominal aortic aneurysms, aortoiliac enhancement profiles were predicted by mathematical deconvolution of t...

journal_title：Journal of computer assisted tomography

authors： Hittmair K,Fleischmann D

更新日期：2001-03-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to compare image quality for abdominal computed tomographic (CT) images acquired at 200 and 50 mA s and reconstructed with image-based iterative reconstruction. MATERIALS AND METHODS:In this institutional review board-approved prospective study, 22 patients (mean [SD] age, 64....

journal_title：Journal of computer assisted tomography

authors： Pourjabbar S,Singh S,Singh AK,Johnston RP,Shenoy-Bhangle AS,Do S,Padole A,Blake MA,Persson A,Kalra MK

更新日期：2014-01-01 00:00:00

abstract：OBJECTIVE:The purpose of this study is to evaluate predictive factors for discriminating benign from malignant intraductal mucin-producing neoplasm (IPMN) of the pancreas on multidetector row computed tomography (MDCT). MATERIALS AND METHODS:Fifty-three patients with IPMN underwent MDCT, and the imaging and pathologic...

journal_title：Journal of computer assisted tomography

authors： Takeshita K,Kutomi K,Takada K,Haruyama T,Fukushima J,Aida R,Takada T,Furui S

更新日期：2008-03-01 00:00:00

abstract：OBJECTIVES:The authors compared multislice CT angiography and selective angiography for the assessment of coronary artery disease. METHODS:In 28 patients, the presence and degree of coronary artery stenoses were determined in coronary segments prepared with beta-blocker for good image quality with multislice CT. RESU...

journal_title：Journal of computer assisted tomography

authors： Becker CR,Knez A,Leber A,Treede H,Ohnesorge B,Schoepf UJ,Reiser MF

更新日期：2002-09-01 00:00:00

abstract：PURPOSE:Our goal was to perform a detailed comparison of the relative performances of helical CT (pitches 1.0, 1.5, and 2.0) and conventional (overlapped and nonoverlapped) CT in detailed 3D and MPR musculoskeletal imaging. METHOD:A specially designed bone fragment phantom was imaged with multiple slice thicknesses us...

journal_title：Journal of computer assisted tomography

authors： Kasales CJ,Mauger DT,Sefczek RJ,Mahraj R,Meilstrup JW,Van Hook D,Patrone SV,Sefczek DM,Eggli KD,Wise SW,Westacott S,Hopper KD

更新日期：1997-01-01 00:00:00

abstract：:Quantitation of regional myocardial blood flow (MBF) in absolute terms with positron emission tomography (PET) has been difficult to achieve in part because of errors induced by the relatively low spatial resolution of current tomographic instruments. We previously demonstrated that MBF could be accurately measured ov...

journal_title：Journal of computer assisted tomography

authors： Herrero P,Markham J,Bergmann SR

更新日期：1989-09-01 00:00:00

abstract：:Two patients with phenylketonuria are reported with white matter lesions. Diffusion magnetic resonance (MR) imaging revealed restricted diffusion patterns (high signal) on b = 1000 s/mm2 images associated with low apparent diffusion coefficient values ranging between 0.44 x 10-3 mm2/s and 0.56 x 10-3 mm2/s. On proton ...

journal_title：Journal of computer assisted tomography

authors： Sener RN

更新日期：2003-07-01 00:00:00

abstract：:We present the case of a young man with compression of both renal arteries by the crura of the diaphragm. Correct diagnosis of renal artery entrapment is difficult but crucial. The investigations rely on an high index of suspicion and include Doppler ultrasound and spiral computed tomography angiography, which permits...

journal_title：Journal of computer assisted tomography

authors： Déglise S,Corpataux JM,Haller C,Binaghi S,Meuwly JY,Qanadli SD

更新日期：2007-05-01 00:00:00

abstract：PURPOSE:To describe CT findings of portal vein anomaly with total ramification of the intrahepatic portal branches from the right umbilical vein. METHODS:Retrospective analysis was performed in 6 patients with portal vein anomaly with total ramification of the intrahepatic portal branches from the right umbilican vein...

journal_title：Journal of computer assisted tomography

authors： Yang DM,Kim H,Kang JH,Park CH,Chang SK,Jin W,Kim HS

更新日期：2005-07-01 00:00:00

abstract：:Contrast enhancement has been studied with computed tomography in 18 patients with brain infarction. Four patients were examined on more than one occasion. A mode of contrast medium administration has been used that results in constant blood iodine concentration during the investigation. The enhancement pattern was an...

journal_title：Journal of computer assisted tomography

authors： Bergström M,Ericson K

更新日期：1979-04-01 00:00:00

abstract：:The magnetic resonance imaging characteristics of transient left ventricular apical ballooning are described in this report, and the features that distinguish it from acute myocardial infarction are emphasized. ...

journal_title：Journal of computer assisted tomography

authors： Fritz J,Wittstein IS,Lima JA,Bluemke DA

更新日期：2005-01-01 00:00:00

abstract：:The magnetic resonance characteristics of 16 intracranial arachnoid cysts were evaluated and several features identified that allowed the differentiation from other cystic lesions. Uncomplicated arachnoid cyst contents respond like CSF to both T1 and T2 weighted sequences. Signal from the contiguous brain is of normal...

journal_title：Journal of computer assisted tomography

authors： Wiener SN,Pearlstein AE,Eiber A

更新日期：1987-03-01 00:00:00