CT findings of malignant change in recurrent respiratory papillomatosis.

abstract：OBJECTIVE:The objective of this study was to evaluate image quality of computed tomography (CT) portal venography using nonlinear blending technique of dual-energy CT (DECT) in portal phase. METHODS:Fifty patients underwent contrast-enhanced abdominal scan with DECT at portal venous phase. The images of 2 energy level...

journal_title：Journal of computer assisted tomography

authors： Wang Q,Shi G,Liu X,Wu R,Wang S

更新日期：2013-03-01 00:00:00

abstract：:Abdominal CT, which routinely includes the lower thorax, is an important adjunct to supine chest radiography in detecting chest injury in patients with blunt abdominal trauma. In 1,086 consecutive patients with blunt abdominal trauma, 223 of whom had both supine chest radiography and abdominal CT, 49 patients examined...

journal_title：Journal of computer assisted tomography

authors： Wolfman NT,Gilpin JW,Bechtold RE,Meredith JW,Ditesheim JA

更新日期：1993-01-01 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：OBJECTIVE:To present a novel magnetic resonance (MR) method of analysis of cerebrospinal fluid (CSF) flow dynamics. METHODS:Fifty-one subjects were explored with phase-contrast cine MR imaging. There were 36 volunteers, 9 patients with normal pressure hydrocephalus (NPH), and 6 patients with asymptomatic ventricular d...

journal_title：Journal of computer assisted tomography

authors： de Marco G,Idy-Peretti I,Didon-Poncelet A,Baledent O,Onen F,Feugeas MC

更新日期：2004-03-01 00:00:00

abstract：OBJECTIVE:This study aimed to explore the characteristics of patients with colorectal cancer (CRC) following curative therapy that may benefit from fluorine-18-2-uoro-2-deoxy-D-glucose positron emission tomography/computed tomography (F-FDG PET/CT) scanning, evaluate the application of carcinoembryonic antigen (CEA)-tr...

journal_title：Journal of computer assisted tomography

authors： Yu X,Zhu L,Dai D,Song X,Chen W,Zhu Y,Li X,Xu W

更新日期：2017-09-01 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：:The CT and magnetic resonance appearance of prominent nabothian cysts is presented. Although small nabothian cysts are common gynecologic findings, they at times reach 2-4 cm in diameter and may simulate a cystic adnexal mass. ...

journal_title：Journal of computer assisted tomography

authors： Togashi K,Noma S,Ozasa H

更新日期：1987-11-01 00:00:00

abstract：OBJECTIVES:To characterize diffusion tensor imaging (DTI) tensor eigenvalues (λ1, λ2, λ3), fractional anisotropy, mean diffusivity, and radial diffusivity in healthy lumbar musculature. METHODS:Seventeen healthy subjects (10 men, 7 women; mean age, 28 ± 7 years) were scanned using a 3.0-T magnetic resonance imaging. A...

journal_title：Journal of computer assisted tomography

authors： Jones GE,Kumbhare DA,Harish S,Noseworthy MD

更新日期：2013-01-01 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:Our goal was to examine regional preservation of energy metabolism in Alzheimer disease (AD) and to evaluate effects of PET data normalization to reference regions. MATERIALS AND METHODS:Regional metabolic rates in the pons, thalamus, putamen, sensorimotor cortex, visual cortex, and cerebellum (reference reg...

journal_title：Journal of computer assisted tomography

authors： Minoshima S,Frey KA,Foster NL,Kuhl DE

更新日期：1995-07-01 00:00:00

abstract：:We describe a case with a focally spared area in fatty liver caused by arterioportal shunt. Furthermore, we discuss the cause of the focally spared area related to a localized dilution or reduction in portal blood flow. ...

journal_title：Journal of computer assisted tomography

authors： Arita T,Matsunaga N,Honma Y,Nishikawa E,Nagaoka S

更新日期：1996-05-01 00:00:00

abstract：:We report a case of agenesis of dorsal pancreas diagnosed by CT. This anomaly can easily be confused with pancreas divisum on endoscopic retrograde cholangiopancreatography alone. ...

journal_title：Journal of computer assisted tomography

authors： Shah KK,DeRidder PH,Schwab RE,Alexander TJ

更新日期：1987-01-01 00:00:00

abstract：:The Boerhaave syndrome is classically considered a panmural perforation of the distal esophagus secondary to forced vomiting or retching. A variant of the syndrome is described in which only the outer longitudinal muscle layer of the esophagus was torn, and in this case most of the usual radiological findings were abs...

journal_title：Journal of computer assisted tomography

authors： Pezzulli FA,Aronson D,Goldberg N

更新日期：1989-01-01 00:00:00

abstract：:Magnetic resonance imaging depicts the morphological details of the female pelvis and is useful for evaluating both benign and malignant cervical masses. Clinical assessment of the extent of cervical cancer is crucial in determining the optimal treatment strategy, but clinical staging by itself has limitations. Clinic...

journal_title：Journal of computer assisted tomography

authors： Bhosale P,Peungjesada S,Devine C,Balachandran A,Iyer R

更新日期：2010-11-01 00:00:00

abstract：PURPOSE:To assess whether cardiac computed tomographic angiography (CCTA) can quantify the severity of chronic mitral regurgitation (MR) compared to qualitative and quantitative echocardiographic parameters. MATERIALS AND METHODS:Cardiac computed tomographic angiography was performed in 23 patients (mean ± SD age, 63 ...

journal_title：Journal of computer assisted tomography

authors： Arnous S,Killeen RP,Martos R,Quinn M,McDonald K,Dodd JD

更新日期：2011-09-01 00:00:00

abstract：PURPOSE:The purpose of this work is to describe the CT and MR appearance of primary malignant fibrous histiocytoma (MFH) of the chest wall. METHOD:Eleven men and eight women (45-76 years old) with primary MFH of the chest wall who underwent both CT and MRI were enrolled, and the imaging interpretation was retrospectiv...

journal_title：Journal of computer assisted tomography

authors： Tateishi U,Kusumoto M,Hasegawa T,Yokoyama R,Moriyama N

更新日期：2002-07-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to compare chest digital tomosynthesis (DTS) and multidetector computed tomography (MDCT) for the detection of pulmonary ground-glass opacity (GGO) nodules and estimation of radiation dose using an anthropomorphic chest phantom and simulated nodules. MATERIALS AND METHODS:A male...

journal_title：Journal of computer assisted tomography

authors： Zhao F,Zeng Y,Peng G,Yu R,Peng S,Tan H,Liu X,Wang J

更新日期：2012-09-01 00:00:00

abstract：:An assessment of the role of marrow fat as a source of error in single energy quantitative CT (SEQCT) measurements of the spine is presented. Fat-induced shifts and spreads in SEQCT findings are discriminated and quantified. Studies using chemical analysis have reported an average vertebral bone mineral (MIN) loss of ...

journal_title：Journal of computer assisted tomography

authors： Glüer CC,Genant HK

更新日期：1989-11-01 00:00:00

abstract：:Proton MR spectroscopy of the brain has been undertaken in 8 healthy volunteers and in 11 patients with human immunodeficiency virus infection and varying stages of AIDS dementia complex (ADC). Spectral appearances in patients with no ADC or early ADC were not significantly different from normal volunteers. Spectra fr...

journal_title：Journal of computer assisted tomography

authors： Menon DK,Ainsworth JG,Cox IJ,Coker RC,Sargentoni J,Coutts GA,Baudouin CJ,Kocsis AE,Harris JR

更新日期：1992-07-01 00:00:00

abstract：:A case of simultaneous renal vein thrombosis and bilateral adrenal hemorrhage is presented, demonstrating the ability of magnetic resonance (MR) imaging to identify these abnormalities without the use of intravenous contrast agents or radiopharmaceuticals. Adrenal hemorrhage appeared as markedly enlarged adrenal gland...

journal_title：Journal of computer assisted tomography

authors： Koch KJ,Cory DA

更新日期：1986-07-01 00:00:00

abstract：PURPOSE:The purpose of this study was to define the radiologic features of pulmonary neuroendocrine cell hyperplasia and correlate them with clinical findings. METHOD:Five women, ranging in age from 45 to 63 years, were diagnosed with pulmonary neuroendocrine cell hyperplasia. Two radiologists assessed the presence an...

journal_title：Journal of computer assisted tomography

authors： Lee JS,Brown KK,Cool C,Lynch DA

更新日期：2002-03-01 00:00:00

abstract：:We aim to review the imaging appearance of peripheral nerve sheath tumors (PNSTs) of head and neck according to updated fourth edition of World Health Organization classification. Peripheral nerve sheath tumor can be sporadic or associated with neurofibromatosis type 1, neurofibromatosis type 2, and schwannomatosis. S...

journal_title：Journal of computer assisted tomography

authors： Abdel Razek AAK,Gamaleldin OA,Elsebaie NA

更新日期：2020-11-01 00:00:00

abstract：BACKGROUND AND AIMS:To prospectively determine the accuracy of liver fat quantification with magnetic resonance imaging (MRI). PATIENTS AND METHODS:The population consisted of 40 patients (mean age, 52.5 years; range, 23-78 years). The same day, all patients underwent MRI and ultrasonography-guided liver biopsy. The h...

journal_title：Journal of computer assisted tomography

authors： Mennesson N,Dumortier J,Hervieu V,Milot L,Guillaud O,Scoazec JY,Pilleul F

更新日期：2009-09-01 00:00:00

abstract：PURPOSE:The purpose of our study was to assess the value of additional early arterial phase computed tomography (CT) imaging in the detection of hepatocellular carcinoma (HCC) by comparing three-phase and four-phase imaging by using multidetector row helical CT. METHODS:Twenty-five patients with 33 HCCs underwent four...

journal_title：Journal of computer assisted tomography

authors： Kim SK,Lim JH,Lee WJ,Kim SH,Choi D,Lee SJ,Lim HK,Kim H

更新日期：2002-09-01 00:00:00

abstract：:Urachal carcinoma arises in the clinically silent extraperitoneal space between the bladder apex and the umbilicus. Computed tomography was used to correctly diagnose and stage urachal cancer in two patients. In one case a mass was localized to the bladder wall and immediate juxtavesical region; in the other case an a...

journal_title：Journal of computer assisted tomography

authors： Korobkin M,Cambier L,Drake J

更新日期：1988-11-01 00:00:00

abstract：:Computed tomography of a benign mesenchymoma in a 7-year-old boy demonstrated bone and fat intermingled with nonspecific soft tissue. ...

journal_title：Journal of computer assisted tomography

authors： Hudson TM,Bertoni F,Enneking WF

更新日期：1985-01-01 00:00:00

abstract：:We conducted a prospective evaluation of the normal vermiform appendix in 203 patients. Conventional CT techniques were utilized with an 8 mm slice thickness and 10 mm slice interval. The normal appendix was definitely identified in 51% of the patients studied. Computed tomographic appearance of the normal appendix is...

journal_title：Journal of computer assisted tomography

authors： Grosskreutz S,Goff WB 2nd,Balsara Z,Burkhard TK

更新日期：1991-07-01 00:00:00

abstract：:We describe a case of disruption of the blood-brain barrier (BBB) by nonionic, low osmolality contrast medium after abdominal angiography. One plausible explanation of this event is that acute hypertension during angiography may have increased the BBB permeability, allowing the contrast medium to leak across it. ...

journal_title：Journal of computer assisted tomography

authors： Okazaki H,Tanaka K,Shishido T,Nagase H,Hoshino M,Takebayashi S,Endoh O,Takamura Y

更新日期：1989-09-01 00:00:00

abstract：OBJECTIVE:The purpose of this article is to report computed tomography demonstration of medial bowing of the lamina papyracea in 5 patients after internal ethmoidectomy. METHODS:We identified 5 patients who had apparent medial bowing of the lamina papyracea after functional endoscopic sinus surgery (FESS) and who had ...

journal_title：Journal of computer assisted tomography

authors： Cunnane ME,Platt M,Caruso PA,Metson R,Curtin HD

更新日期：2009-01-01 00:00:00

abstract：:Uterine cirsoid aneurysm is uncommon. It is important to make a diagnosis of this disease preoperatively, because repeated curettages may induce life-threatening massive genital bleeding. We present a case of a 51-year-old woman with uterine cirsoid aneurysm in whom MRI and MRA were very useful for the preoperative di...

journal_title：Journal of computer assisted tomography

authors： Joja I,Asakawa M,Motoyama K,Mitsumori A,Nakagawa T,Kanazawa S,Kuroda M,Togami I,Hiraki Y,Kudo T

更新日期：1996-03-01 00:00:00