The ethmoidal "polypoid mucocele".

abstract：:Cancers of the female genital system, particularly endometrial and ovarian cancers, can be associated with hereditary cancer syndromes such as hereditary breast and ovarian cancer and Lynch syndrome. Cancers that are found in the setting of a hereditary cancer syndrome are often unique in presentation, clinical featur...

journal_title：Journal of computer assisted tomography

authors： Rothan SM,Menias CO,ElGuindy YM,Jensen CT,Shaaban AM,Bhosale P,Lee MV,Katabathina VS,Elsayes KM

更新日期：2017-05-01 00:00:00

abstract：:Idiopathic retroperitoneal fibrosis (IRF) is a rare condition of unknown etiology. An unusual case of IRF exclusively located at the peripancreatic area without extension below the lower renal poles is reported. ...

journal_title：Journal of computer assisted tomography

authors： Inaraja L,Franquet T,Caballero P,Encabo B,Humbert P

更新日期：1986-11-01 00:00:00

abstract：PURPOSE:The graphical approach is widely used for the pixelwise determination of local metabolic rate of glucose from dynamic positron emission tomography (PET) data. In its conventional implementation, measured integrals over time frames are used to approximate instantaneous tracer concentrations at midframe times ("m...

journal_title：Journal of computer assisted tomography

authors： Buchert R,van den Hoff J,Mester J

更新日期：2003-07-01 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：:Pulmonary vein stenosis is one of the frequent complications after radiofrequency ablation for atrial fibrillation. MRI plays an important role in depicting the pathoanatomic structure of the pulmonary veins, and measuring the blood flow velocity in the pulmonary veins before and after therapy, and is superior to tran...

journal_title：Journal of computer assisted tomography

authors： Yang M,Akbari H,Reddy GP,Higgins CB

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND:Increasing image pitch in computed tomographic (CT) imaging is a method through which scan time can be reduced, which can reduce motion artifacts. In this study, we assess the clinical feasibility of ultrahigh-pitch CT imaging made possible by dual-source CT. METHODS:Image pitch, total scan time, and image ...

journal_title：Journal of computer assisted tomography

authors： Hardie AD,Mayes N,Boulter DJ

更新日期：2011-05-01 00:00:00

abstract：OBJECTIVE:To determine if gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid (Gd-EOB-DTPA)-enhanced magnetic resonance (MR) cholangiography can detect and localize bile duct leaks in postcholecystectomy patients. MATERIAL AND METHODS:Four blinded independent radiologists performed a retrospective review of 16...

journal_title：Journal of computer assisted tomography

authors： Ratcliffe GE,Kirkpatrick ID,Anik Sahni V,Greenberg HM,Henderson B,Radulovic D,Mottola JC

更新日期：2014-07-01 00:00:00

abstract：OBJECTIVE:This study aimed to determine optimal strength of sinogram-affirmed iterative reconstruction (SAFIRE) and to evaluate image quality (IQ) of low-dose chest computed tomography (LDCT) using SAFIRE compared with iterative reconstruction in image space (IRIS) and filtered back projection (FBP). METHODS:Thirty pa...

journal_title：Journal of computer assisted tomography

authors： Hwang HJ,Seo JB,Lee HJ,Lee SM,Kim EY,Oh SY,Kim JE

更新日期：2013-07-01 00:00:00

abstract：:Ten consecutive patients with surgically proven beta-islet cell tumors, strongly suspected clinically because of positive laboratory findings, were studied by MRI at 0.5 T. Results were correlated with CT and angiography. MRI detected all 10 insulinomas, with the location confirmed at surgery. Lesion size was < 1 cm i...

journal_title：Journal of computer assisted tomography

authors： Pavone P,Mitchell DG,Leonetti F,Di Girolamo M,Cardone G,Catalano C,Tamburrano G,Passariello R

更新日期：1993-05-01 00:00:00

abstract：OBJECTIVE:We describe and evaluate a preoperative MRI localization procedure for suspected breast lesions. MATERIALS AND METHODS:Fourteen consecutive patients underwent MR localization of suspected breast lesions discovered with contrast-enhanced MRI but not detected by conventional mammography or ultrasound. In each ...

journal_title：Journal of computer assisted tomography

authors： Fischer U,Vosshenrich R,Bruhn H,Keating D,Raab BW,Oestmann JW

更新日期：1995-01-01 00:00:00

abstract：:To determine the value of sagittal magnetic resonance (MR) in diagnosing thoracic abnormality, we reviewed the multisection sagittal spin-echo MR images of 13 normal subjects and 23 patients with a variety of thoracic abnormalities. In the abnormal subjects sagittal images were compared with transaxial MR performed wi...

journal_title：Journal of computer assisted tomography

authors： Webb WR,Jensen BG,Gamsu G,Sollitto R,Moore EH

更新日期：1985-05-01 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：:The clinical records and radiologic findings in six patients with spontaneous (nontraumatic) intrahepatic and subcapsular hemorrhage were reviewed. Four patients had underlying liver lesions (hepatocellular carcinoma and metastasis from B-cell lymphoma in one patient each and hepatic adenoma in two other patients). On...

journal_title：Journal of computer assisted tomography

authors： Merine D,Fishman EK,Zerhouni EA

更新日期：1988-05-01 00:00:00

abstract：:Retroperitoneal fat necrosis is a well-known complication of acute pancreatitis. We describe an unusual case of fat necrosis presenting as multiple, bilateral renal pseudotumors in a patient with acute pancreatitis. The imaging findings on CT and MR are discussed. ...

journal_title：Journal of computer assisted tomography

authors： Pedrosa I,Naidich JJ,Rofsky NM,Bosniak MA

更新日期：2001-03-01 00:00:00

abstract：OBJECTIVE:To study the potential application of magnetic resonance imaging (MRI) for classification of retained placental tissue (RPT) in the uterus postnatally. METHODS:Twenty-two patients with clinically or pathologically proven RPT were studied. RESULTS:The thickness ratio (D1/D2) of invaded (D1) to normal (D2) my...

journal_title：Journal of computer assisted tomography

authors： Zhang SH,Zhang JY,Zhang J,Chen WL,Zhou Q

更新日期：2019-01-01 00:00:00

abstract：PURPOSE:To determine the feasibility of diffusion-weighted magnetic resonance (MR) imaging (DWI) of uterine cervical cancer and to investigate whether the apparent diffusion coefficient (ADC) values of cervical cancer differ from those of normal cervix and whether they could indicate the histologic type and the patholo...

journal_title：Journal of computer assisted tomography

authors： Liu Y,Bai R,Sun H,Liu H,Wang D

更新日期：2009-11-01 00:00:00

abstract：:Thirty patients with suspected or known chronic aortic dissection were imaged with magnetic resonance (MR), CT, and angiography. Five of these patients had previously undergone surgical repair of the ascending aorta for a type A dissection. Magnetic resonance demonstrated an intimal flap and a double lumen in 25 cases...

journal_title：Journal of computer assisted tomography

authors： Pernes JM,Grenier P,Desbleds MT,de Brux JL

更新日期：1987-11-01 00:00:00

abstract：:Coronary artery disease is currently the largest killer in the western world, and is estimated to become the leading cause of death worldwide by the year 2020. The question therefore is whether magnetic resonance imaging currently has a place in the already extremely well equipped armamentarium of cardiac testing. Alt...

journal_title：Journal of computer assisted tomography

authors： Soman P,Bokor D,Lahiri A

更新日期：1999-11-01 00:00:00

abstract：:Two cases demonstrating the computed tomographic appearance of azygos continuation of the inferior vena cava (IVC) are presented. One is associated with a retroaortic left renal vein and the other with a duplicated IVC. An enlarged azygos vein should not be confused with retrocrural lymphadenopathy or a mediastinal ma...

journal_title：Journal of computer assisted tomography

authors： Breckenridge JW,Kinlaw WB

更新日期：1980-06-01 00:00:00

abstract：OBJECTIVE:Paroxysmal nocturnal hemoglobinuria (PNH) is an acquired hemolytic disorder, characterized by hemosiderin deposition in the proximal renal tubules. MATERIALS AND METHODS:We examined six cases of PNH with MRI including gradient echo imaging. RESULTS:On T2- and T2*-weighted imaging a characteristic hypointens...

journal_title：Journal of computer assisted tomography

authors： Tanaka YO,Anno I,Itai Y,Abe T

更新日期：1993-09-01 00:00:00

abstract：:Computed tomography circumvents many of the problems encountered in the traditional radiographic investigation of mummies. This case report demonstrates that CT provides an improved evaluation of mummification techniques and bony pathology as well as a better capability of characterizing preserved soft tissue. ...

journal_title：Journal of computer assisted tomography

authors： Vahey T,Brown D

更新日期：1984-10-01 00:00:00

abstract：OBJECTIVE:We applied glucose loading during PET studies with [18F]2-fluoro-2-deoxy-D-glucose (FDG) to enhance detection of brain tumors by diminution of FDG uptake in normal gray matter. MATERIALS AND METHODS:This study involved three patients with glioblastomas. Two PET scans were performed in all cases within 1 week...

journal_title：Journal of computer assisted tomography

authors： Ishizu K,Sadato N,Yonekura Y,Nishizawa S,Magata Y,Tamaki N,Tsuchida T,Okazawa H,Tanaka F,Miyatake S

更新日期：1994-01-01 00:00:00

abstract：PURPOSE:The aim of this study was to evaluate the exclusive performance of quality-assured high-resolution breast magnetic resonance imaging (MRI) for early detection of breast cancer in a population of asymptomatic women. MATERIALS AND METHODS:A total of 1189 MRI examinations performed in 789 asymptomatic women (mean...

journal_title：Journal of computer assisted tomography

authors： Fischer U,Luftner-Nagel S,Baum F,Marten-Engelke K,Wienbeck S

更新日期：2018-01-01 00:00:00

abstract：:There is disagreement about the ability of CT to detect isolated invasion of mediastinal vessels by malignant thymoma. Diagnosis usually depends on the absence of intact fat planes between the tumor mass and the adjacent vessel. We describe a rare case of CT demonstration of direct intraluminal invasion of a malignant...

journal_title：Journal of computer assisted tomography

authors： Korobkin M,Gasano VA

更新日期：1989-03-01 00:00:00

abstract：:Eighteen patients with moyamoya disease were examined by computed tomography (CT). At the first examination, CT findings were normal in one patient and abnormal in 17 patients. Significant abnormalities on precontrast CT were characterized by low density lesions in 14, ventricular dilatation in 9, and cerebral atrophy...

journal_title：Journal of computer assisted tomography

authors： Takeuchi S,Kobayashi K,Tsuchida T,Imamura H,Tanaka R,Ito J

更新日期：1982-02-01 00:00:00

abstract：:A case in which pus within a bladder diverticulum simulated a deep pelvic abscess is presented. This pitfall in CT diagnosis should be considered in patients with bladder outlet obstruction with symptoms of infection. ...

journal_title：Journal of computer assisted tomography

authors： Patel U,Furie DM,Lee WJ

更新日期：1991-05-01 00:00:00

abstract：OBJECTIVE:The purpose of our study was to quantify peritumoral brain edema (PTE) in vivo using NMR relaxation time imaging, as the longitudinal relaxation time T1 is proportional to tissue water content, and to use the method for monitoring the effects of glucocorticoids (GCCs) on PTE in brain tumor patients as a funct...

journal_title：Journal of computer assisted tomography

authors： Andersen C,Astrup J,Gyldensted C

更新日期：1994-07-01 00:00:00

abstract：OBJECTIVES:The aim of this study is to evaluate the effect of heart rate on exposure window, best phase, and image quality for stress computed tomography perfusion (CTP) in the CORE320 study. METHODS:The CTP data sets were analyzed to determine the best phase for perfusion analysis. A predefined exposure window coveri...

journal_title：Journal of computer assisted tomography

authors： Steveson C,Schuijf JD,Vavere AL,Mather RT,Caton T,Mehra V,Betoko A,Cox C,Lima JA,George RT

更新日期：2017-03-01 00:00:00

abstract：:Five cases of histologically confirmed olfactory neuroblastoma (esthesioneuroblastomas) have been studied by computed tomography (CT). Both the clinical symptoms (in particular, unilateral nasal obstruction and recurring epistaxis) and radiological findings (opacity of the paranasal sinuses) are nonspecific. Computed ...

journal_title：Journal of computer assisted tomography

authors： Manelfe C,Bonafé A,Fabre P,Pessey JJ

更新日期：1978-09-01 00:00:00

abstract：OBJECTIVE:The aim of the study was to investigate the causes of apparent diffusion coefficient (ADC) measurement errors and to determine the optimal scanning parameters that are independent of the field strength and vendors of the magnetic resonance (MR) system. MATERIALS AND METHODS:Brain MR images of 10 healthy volu...

journal_title：Journal of computer assisted tomography

authors： Ogura A,Tamura T,Ozaki M,Doi T,Fujimoto K,Miyati T,Ito Y,Maeda F,Tarewaki H,Takahashi M

更新日期：2015-09-01 00:00:00