Pulmonary Nodule Volumetry at Different Low Computed Tomography Radiation Dose Levels With Hybrid and Model-Based Iterative Reconstruction: A Within Patient Analysis.

abstract：OBJECTIVE:Our goal was to evaluate the role of Gd-enhanced MR in the diagnosis and surgical planning of intraventricular cysticercosis cysts. MATERIALS AND METHODS:Thirty-three patients with intraventricular cysticercosis were evaluated with Gd-enhanced MRI including follow-up studies ranging over time periods from 6 ...

journal_title：Journal of computer assisted tomography

authors： Zee CS,Segall HD,Destian S,Ahmadi J,Apuzzo ML

更新日期：1993-11-01 00:00:00

abstract：:This is the fourth of a series of 4 white papers that represent expert consensus documents developed by the Society of Computed Body Tomography and Magnetic Resonance through its task force on dual-energy computed tomography. This article, part 4, discusses DECT for abdominal and pelvic applications and, at the end of...

journal_title：Journal of computer assisted tomography

authors： De Cecco CN,Boll DT,Bolus DN,Foley WD,Kaza RK,Morgan DE,Rofsky NM,Sahani DV,Schoepf UJ,Shuman WP,Siegel MJ,Vrtiska TJ,Yeh BM,Berland LL

更新日期：2017-01-01 00:00:00

abstract：OBJECTIVE:To know the CT changes that may be seen in the mediastinum after uncomplicated mediastinoscopy. MATERIALS AND METHODS:Noncontrast CT was performed on 10 patients on the 1st, 3rd, and 5th days after the procedure. RESULTS:We encountered linear and diffuse increased attenuation within the mediastinum as well ...

journal_title：Journal of computer assisted tomography

authors： Astigarraga E,Sáez F,Canteli B,Gozalo A,Lamikiz A

更新日期：1994-07-01 00:00:00

abstract：OBJECTIVES:Our aim was to evaluate the diagnostic accuracy of 256-slice, high-pitch mode multidetector computed tomography (MDCT) for coronary artery bypass graft (CABG) patency. METHODS:Eighty-eight patients underwent 256-slice MDCT angiography to evaluate their graft patency after CABG surgery using a prospectively ...

journal_title：Journal of computer assisted tomography

authors： Yuceler Z,Kantarci M,Yuce I,Kizrak Y,Bayraktutan U,Ogul H,Kiris A,Celik O,Pirimoglu B,Genc B,Gundogdu F

更新日期：2014-01-01 00:00:00

abstract：PURPOSE:The purpose of this work was to conduct an MR cholangiography study of hepatobiliary abnormalities in autosomal dominant polycystic kidney disease (ADPKD) and to correlate these abnormalities with the risk of infection. METHOD:Cystic and intrahepatic bile duct (IHBD) abnormalities identified by MR cholangiogra...

journal_title：Journal of computer assisted tomography

authors： Dranssart M,Cognet F,Mousson C,Cercueil JP,Rifle G,Krause D

更新日期：2002-03-01 00:00:00

abstract：OBJECTIVE:To determine the frequency and computed tomography (CT) characteristics of ovarian cysts in women of different ages. METHODS:Five hundred ninety-five contrast-enhanced CT studies performed in 430 females aged 10 or older between January 2001 and December 2006 were retrospectively reviewed. For each study, we...

journal_title：Journal of computer assisted tomography

authors： Shin YM,Lee JK,Turan N,Mauro D,Chong W

更新日期：2010-07-01 00:00:00

abstract：:Multiple authors have pointed out the difficulty of detecting spondylolysis with lumbar CT. A simple method to detect spondylolysis on lumbar CT is described. Identifying one intact cortical ring for each vertebra absolutely excludes the diagnosis obviating the time-consuming need to search each image looking for posi...

journal_title：Journal of computer assisted tomography

authors： Langston JW,Gavant ML

更新日期：1985-07-01 00:00:00

abstract：PURPOSE:The objective of this study was to characterize cervical computed tomography (CT) findings in Kawasaki disease (KD) patients that may facilitate early diagnosis. METHODS:We retrospectively reviewed cervical CT images of 78 children with cervical lymphadenopathy to analyze the distribution and morphology of lym...

journal_title：Journal of computer assisted tomography

authors： Katsumata N,Aoki J,Tashiro M,Taketomi-Takahashi A,Tsushima Y

更新日期：2013-09-01 00:00:00

abstract：:A case of a 26-year-old woman with decreasing vision in her right eye, diplopia, headache, and galactorrhea is presented. Both CT and MR studies showed a large sphenoid fibroosseous lesion that had a ground glass appearance on CT and low-to-intermediate proton density and low T2-weighted and low T1-weighted signal int...

journal_title：Journal of computer assisted tomography

authors： Sterling KM,Stollman A,Sacher M,Som PM

更新日期：1993-05-01 00:00:00

abstract：OBJECTIVE:To compare examination volume and diagnostic yield of computed tomography (CT) pulmonary angiography (CTPA) and ventilation-perfusion (V/Q) scintigraphy for detection of suspected pulmonary embolism (PE) in emergency department patients. METHODS:Every CTPA and V/Q scan result for emergency department patient...

journal_title：Journal of computer assisted tomography

authors： Donohoo JH,Mayo-Smith WW,Pezzullo JA,Egglin TK

更新日期：2008-05-01 00:00:00

abstract：:A 77-year-old man with loss of consciousness, circulatory collapse, and apnea caused by myocardial infarction underwent cardiopulmonary resuscitation with intratracheal intubation and manual bag ventilation. Computed tomography of the head demonstrated massive air embolism in the entire cerebral circulation. The patie...

journal_title：Journal of computer assisted tomography

authors： Yamaki T,Ando S,Ohta K,Kubota T,Kawasaki K,Hirama M

更新日期：1989-03-01 00:00:00

abstract：:Early studies evaluating the utility of Gd-diethylenetriamine pentaacetic acid (DTPA) enhanced MR imaging for characterization of musculoskeletal masses have demonstrated inconsistent and often conflicting results. In this study a new method, dynamic Gd-DTPA enhanced rapid acquisition spin echo MR imaging, was impleme...

journal_title：Journal of computer assisted tomography

authors： Mirowitz SA,Totty WG,Lee JK

更新日期：1992-01-01 00:00:00

abstract：:A recent case of absence of a cervical pedicle in a traumatized patient is presented. An incorrect radiological interpretation of the patient's plain films resulted in inappropriate management. Further radiological investigation, including computed tomography, revealed the underlying abnormality, and prevented subsequ...

journal_title：Journal of computer assisted tomography

authors： Cox HE,Bennett WF

更新日期：1984-06-01 00:00:00

abstract：OBJECTIVE:Large internal carotid artery aneurysms can cause remodeling of the sphenoid bone with subsequent hemorrhage into the sinus. No reports have demonstrated small unruptured lesions causing similar bone remodeling. The purpose of this study was to demonstrate our experience with small unruptured paraophthalmic a...

journal_title：Journal of computer assisted tomography

authors： Giancaspro G,Gagné T,Tampieri D,Cortes MD

更新日期：2017-11-01 00:00:00

abstract：PURPOSE:The aim of this study was to describe the MR findings in extraspinal musculoskeletal tuberculosis (EMT). METHOD:A retrospective review was conducted of the MR findings of 18 patients with microbiologically and/or pathologically proven EMT. All MR studies were performed using T1-and T2-weighted spin echo sequen...

journal_title：Journal of computer assisted tomography

authors： Soler R,Rodríguez E,Remuiñán C,Santos M

更新日期：2001-03-01 00:00:00

abstract：:Twenty-five patients with surgically and histologically proven squamous cell carcinoma of the palatine tonsil were studied with computed tomography (CT) using a high dose intravenous contrast enhancement technique. With this technique, CT demonstrated the primary carcinoma within the palatine fossa as well as its cont...

journal_title：Journal of computer assisted tomography

authors： Byrd SE,Schoen PJ,Gill G,Richardson M

更新日期：1983-12-01 00:00:00

abstract：:We report a unique case of early-phase Takayasu arteritis in which the vessels demonstrated accumulation of [18F]fluorodeoxyglucose (FDG) on PET scanning. This observation suggests the possible use of FDG-PET for the diagnosis of vasculitis. Early diagnosis of Takayasu arteritis may permit early treatment and possibly...

journal_title：Journal of computer assisted tomography

authors： Hara M,Goodman PC,Leder RA

更新日期：1999-01-01 00:00:00

abstract：:Presented is a case of ureteral pseudodiverticulosis diagnosed by multidetector computed tomography (CT). Axial and coronal reformatted CT images revealed multiple small (2-4 mm) outpouchings of both ureters, characteristic of ureteral pseudodiverticulosis. The unenhanced CT also revealed a 6-mm stone at the left uret...

journal_title：Journal of computer assisted tomography

authors： Spalluto LB,Woodfield CA

更新日期：2009-03-01 00:00:00

abstract：:The utility of gadolinium-enhanced ultrafast MR imaging in the diagnosis of focal nodular hyperplasia (FNH) of the liver was assessed in one patient. Contrast-enhanced serial snapshot-FLASH with a frequency of 30 images/min demonstrated the typical hemodynamic appearance of FNH known from CT studies. ...

journal_title：Journal of computer assisted tomography

authors： Urhahn R,Klose KC,Drobnitzky M

更新日期：1991-09-01 00:00:00

abstract：:Pancreas transplantation has become more commonplace over the past several decades. Consequently, the radiological evaluation of patients with such transplants has also become more common. Radiologists must therefore be familiar with the normal imaging appearances of pancreas transplant grafts as well as a wide variet...

journal_title：Journal of computer assisted tomography

authors： Dillman JR,Elsayes KM,Bude RO,Platt JF,Francis IR

更新日期：2009-07-01 00:00:00

abstract：OBJECTIVE:To assess the incidence and cause of discrepancies between coronary computed tomography angiography (CTA) and catheterization in a high-risk, diverse, predominantly overweight inner-city population. METHODS:Ninety-two patients who underwent coronary CTA and catheterization on March 2007 to December 2012 were...

journal_title：Journal of computer assisted tomography

authors： Steinberger S,Plodkowski AJ,Latson L,Levsky JM,Zalta B,Godelman A,Cohen HW,Haramati LB

更新日期：2017-01-01 00:00:00

abstract：PURPOSE:The goals of this work were to evaluate the practical utility of MRI to quantify myocardial mass in patients with hypertrophic cardiomyopathy (HCM), define the differences in myocardial mass measurements obtained with three-dimensional and geometric MR methods in patients with normal left ventricular morphology...

journal_title：Journal of computer assisted tomography

authors： Soler R,Rodríguez E,Marini M

更新日期：1999-07-01 00:00:00

abstract：:Abdominal and thoracic computed tomography examinations were abnormal in 23 of 57 patients (40.5%) with seminomatous and nonseminomatous testicular tumors. Lymph node metastases measuring less than 30 Hounsfield units (HU) occurred in 10 of these 23 patients (43.5%), five with seminoma, four with mixed germ cell tumor...

journal_title：Journal of computer assisted tomography

authors： Scatarige JC,Fishman EK,Kuhajda FP,Taylor GA,Siegelman SS

更新日期：1983-08-01 00:00:00

abstract：PURPOSE:The purpose of this study was to evaluate the usefulness of the "bridging vascular sign" in the diagnosis of an exophytic uterine leiomyoma and differentiation of a uterine leiomyoma from some other mass arising in the adnexa on pelvic MRI. METHOD:Of 52 women with a pelvic mass in whom pelvic MRI was performed...

journal_title：Journal of computer assisted tomography

authors： Kim JC,Kim SS,Park JY

更新日期：2000-01-01 00:00:00

abstract：:Three cases of hemorrhagic nerve sheath tumors of the scalp are presented with emphasis on CT findings. Each mass produced a mixed pattern of CT density due to the combination of tumor and hemorrhage within it. The CT findings were remarkably similar in the three patients and included a calvarial abnormality underlyin...

journal_title：Journal of computer assisted tomography

authors： Nanni D,Lotz PR

更新日期：1985-03-01 00:00:00

abstract：:Fifteen of 605 examinations of patients aged 60 to 85 years showed symmetrical white matter hypodensity on computed tomography (CT). Six of these showed severe white matter hypodensity, low grade atrophy, and dilated ventricles. A diagnosis of encephalopathia subcorticalis chronica progressiva, or Binswanger disease, ...

journal_title：Journal of computer assisted tomography

authors： Zeumer H,Schonsky B,Sturm KW

更新日期：1980-02-01 00:00:00

abstract：:We present the case of unilateral nonhemorrhagic adrenal infarct in a 29-week pregnant 21-year-old woman. The patient presented with right upper quadrant pain, nausea, and vomiting. Ultrasonography of the right upper quadrant and appendix was negative for pathology. Magnetic resonance imaging of the abdomen demonstrat...

journal_title：Journal of computer assisted tomography

authors： Hynes D,Jabiev A,Catanzano T

更新日期：2019-11-01 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：:From a sequence of computed tomograms of two-dimensional transverse slices of a body one can build up a three-dimensional array of numbers containing spatial rather than cross-sectional information. We have developed computer methods to display a slice at arbitrary orientation through the three-dimensional object. The...

journal_title：Journal of computer assisted tomography

authors： Herman GT,Liu HK

更新日期：1977-01-01 00:00:00

abstract：:A percutaneous adrenal biopsy under CT guidance is described. The biopsy was performed after injection of physiologic saline solution into the paravertebral space, creating a wider pathway for needle insertion. This technique has been previously reported for biopsy of thoracic lesions, but in our case it was used for ...

journal_title：Journal of computer assisted tomography

authors： Karampekios S,Hatjidakis AA,Drositis J,Gourtsoyiannis N

更新日期：1998-03-01 00:00:00