Sampling properties of stationary and half-rotation rings in positron emission tomography.

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

abstract：PURPOSE:This study attempts to establish a quantitative link between a patient's body mass index (BMI), the delivered radiation dose, and the image noise. METHODS:The CARE Dose4D computed tomography (CT) acquisitions from 206 patients undergoing "eyes-to-thighs" contrast-enhanced positron emission tomography/CT studie...

journal_title：Journal of computer assisted tomography

authors： Daignault CP,Zhang J,Guo H,Roy DW,Froelich JF

更新日期：2013-07-01 00:00:00

abstract：:Pneumatosis cystoides coli (PCC) is an uncommon condition in which multiple gas-filled cysts in the walls of the colon. Patients with PCC initially complain of various symptoms including abdominal discomfort, constipation, diarrhea, hematochezia, vomiting, and fever. We recently diagnosed PCC by computed tomography (C...

journal_title：Journal of computer assisted tomography

authors： Kim YN,Lee SJ,Kim MJ,Kim YH,Jang DK

更新日期：2008-01-01 00:00:00

abstract：OBJECTIVE:This cross-sectional study assessed the prognostic implications of computed tomography (CT) coronary artery calcification (CAC), independent of emphysema, in patients with chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS:Coronary artery calcification and emphysema were assessed on noncontr...

journal_title：Journal of computer assisted tomography

authors： OʼHare PE,Ayres JF,OʼRourke RL,Slaughter RE,Marshall HM,Bowman RV,Fong KM,Yang IA

更新日期：2014-09-01 00:00:00

abstract：:Congenital alimentary duplications occur most commonly in relation to the ileum and are rare in the region of the stomach. A case of gastric duplication presenting in an adult and visualized on computed tomography is reported. ...

journal_title：Journal of computer assisted tomography

authors： Lo J,Sage MR,Paterson HS,Hamilton DW

更新日期：1983-04-01 00:00:00

abstract：PURPOSE:To describe magnetic resonance (MR) imaging and MR cholangiopancreatography (MRCP) findings in gallbladder carcinoma, and to correlate these findings with available surgical and biopsy information. METHODS:Preoperative MR images (T1-weighted spin-echo, T2-weighted fast spin-echo, single shot fast spin-echo, an...

journal_title：Journal of computer assisted tomography

authors： Schwartz LH,Black J,Fong Y,Jarnagin W,Blumgart L,Gruen D,Winston C,Panicek DM

更新日期：2002-05-01 00:00:00

abstract：PURPOSE:Our goal was to investigate the role of Gd-DTPA-enhanced dynamic MRI in the evaluation of renal ischemic lesions. METHOD:With a turbo FLASH sequence before and after injection of Gd-DTPA, nine foxhound dogs after 60-120 min of renal ischemia underwent MR examination. In addition, five patients with a tumor in ...

journal_title：Journal of computer assisted tomography

authors： Vosshenrich R,Kallerhoff M,Gröne HJ,Fischer U,Funke M,Kopka L,Siebert G,Ringert RH,Grabbe E

更新日期：1996-03-01 00:00:00

abstract：:We describe the radiologic and pathologic findings of papillary adenocarcinoma of the lung in three patients. The tumor appeared as a peripheral lung nodule (n = 1) or a mass (n = 2) on chest radiographs. On CT, the tumor appeared as a solitary pulmonary nodule, as a mass containing internal bubble lucencies with surr...

journal_title：Journal of computer assisted tomography

authors： Hwang JH,Lee KS,Han J,Kim TS,Lee JY,Kim J

更新日期：1999-01-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to compare white matter maturation as demonstrated with diffusion-weighted MRI and with myelin-sensitive histological staining. MATERIALS AND METHODS:The diffusion-, T1-, and T2-weighted SE MRI at 4.7 T was performed weekly in a total of 16 rat pups, aged from 5 days to 8 weeks,...

journal_title：Journal of computer assisted tomography

authors： Wimberger DM,Roberts TP,Barkovich AJ,Prayer LM,Moseley ME,Kucharczyk J

更新日期：1995-01-01 00:00:00

abstract：:Two cases of thyroid-related papillary adenocarcinoma are presented. Both patients had clinically benign neck masses that were clearly separated from the thyroid gland. In both cases the thyroid gland was normal to clinical evaluation, CT, and 99mTc scanning. One patient had an occult thyroid carcinoma with a solitary...

journal_title：Journal of computer assisted tomography

authors： Som PM,Sacher M,Lanzieri CF,Shugar JM,Biller HF

更新日期：1985-01-01 00:00:00

abstract：:Gadolinium-phthalein complexone (Gd-PC) was developed as a hepatobiliary magnetic resonance (MR) contrast agent. Phthalein complexone is one of the iminodiacetic acid derivatives and a structural analogue of bromosulfophthalein. Gadolinium-PC substantially enhanced signal intensity of normal functioning livers on T1-w...

journal_title：Journal of computer assisted tomography

authors： Kawamura Y,Endo K,Koizumi M,Watanabe Y,Saga T,Konishi J,Horiuchi K,Yokoyama A

更新日期：1989-01-01 00:00:00

abstract：PURPOSE:Acinar cell carcinoma (ACC) is a subtype of pancreatic neoplasm sufficiently rare that its imaging has not been fully analyzed. The purpose of this article is to present the computed tomography (CT) appearance of ACC of the pancreas. METHODS:Clinical data and CT studies of 10 patients (7 male and 3 female) wit...

journal_title：Journal of computer assisted tomography

authors： Chiou YY,Chiang JH,Hwang JI,Yen CH,Tsay SH,Chang CY

更新日期：2004-03-01 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 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:The aim of the study was to assess non-Gaussian diffusion kurtosis imaging (DKI)'s usefulness as a noninvasive method to evaluate tumor invasion depth, histological grade, and lymph node metastasis in cervical carcinoma (CC) patients. METHODS:Twenty-two consecutive patients with histologically confirmed CC w...

journal_title：Journal of computer assisted tomography

authors： Yamada I,Oshima N,Wakana K,Miyasaka N,Wakabayashi A,Sakamoto J,Saida Y,Tateishi U,Kobayashi D

更新日期：2021-01-01 00:00:00

abstract：:Temporomandibular joint (TMJ) disease is uncommon in children but frequently occurs in juvenile rheumatoid arthritis (JRA). Involvement is often asymptomatic; however, it can lead to growth disturbances and facial deformity. Thirty TMJs in 15 children (11 girls and 4 boys aged 3.5-18 years) with JRA were evaluated cli...

journal_title：Journal of computer assisted tomography

authors： Taylor DB,Babyn P,Blaser S,Smith S,Shore A,Silverman ED,Chuang S,Laxer RM

更新日期：1993-05-01 00:00:00

abstract：:A brief description of a nuclear magnetic resonance (NMR) imaging system and preliminary results from its clinical evaluation in the study of various central nervous system diseases are presented. Particular attention is paid to NMR capabilities for soft tissue discrimination, topographical demarcation, and specificit...

journal_title：Journal of computer assisted tomography

authors： Huk W,Heindel W,Deimling M,Stetter E

更新日期：1983-06-01 00:00:00

abstract：OBJECTIVE:To describe the radiographic and computed tomography (CT) scan features of iliopsoas impingement on the acetabular component (IPI) in total hip arthroplasty. METHOD:Eight cases of iliopsoas impingement were diagnosed and confirmed by surgical revision. The plain film radiograph findings and CT scan findings ...

journal_title：Journal of computer assisted tomography

authors： Cyteval C,Sarrabère MP,Cottin A,Assi C,Morcos L,Maury P,Taourel P

更新日期：2003-03-01 00:00:00

abstract：OBJECTIVE:This study aimed to identify the computed tomographic colonography (CTC) findings of incomplete colonoscopy compared with those of complete colonoscopy. METHODS:The clinical data and CTC imaging data from January 2004 to December 2012 were retrospectively obtained at 2 different institutions and reviewed by ...

journal_title：Journal of computer assisted tomography

authors： Lee ES,Kim BC,Hur BY,Kim MJ,Park HJ,Park SB,Lee JB,Sohn DK,Han KS,Hong CW

更新日期：2018-09-01 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：:Cranial computed tomography (CT) scans were analyzed in five patients with autopsy documented intracranial aspergillosis. All infections occurred in immunocompromised hosts. Our findings included subtle low attenuation abnormalities, minimal mass effect, and poor contrast enhancement without ring configuration, in the...

journal_title：Journal of computer assisted tomography

authors： Grossman RI,Davis KR,Taveras JM,Beal MF,O'Carroll CP

更新日期：1981-10-01 00:00:00

abstract：:A 72-year-old woman with previously symptomatic internal carotid artery occlusion subsequently presented with an acute hemispheric deficit. The patient was initially diagnosed as having an ischemic infarction but eventually was shown to have a subacute subdural hematoma with delay in surgical evacuation and a major pe...

journal_title：Journal of computer assisted tomography

authors： Pascuzzi RM,Boyko OB,Voelker JL

更新日期：1989-09-01 00:00:00

abstract：:The preoperative temporal bone CT scans of 13 patients with surgically proven acquired cholesteatoma were retrospectively reviewed for bony erosions and for extension beyond the temporal bone. A correlation with the clinical and surgical findings was also carried out. The CT findings are discussed and illustrated as w...

journal_title：Journal of computer assisted tomography

authors： Johnson DW,Hinshaw DB Jr,Hasso AN,Thompson JR,Stewart CE 3rd

更新日期：1985-05-01 00:00:00

abstract：OBJECTIVE:The purpose of this study is to evaluate whether laterality of the superficial cerebral veins can be seen on susceptibility-weighted imaging (SWI) in patients with no intracranial lesions that affect venous visualization. METHODS:We retrospectively evaluated 386 patients who underwent brain magnetic resonanc...

journal_title：Journal of computer assisted tomography

authors： Matsushima S,Shimizu T,Gomi T,Fukuda K

更新日期：2018-01-01 00:00:00

abstract：:To evaluate the efficacy of myocardial T2 values in the assessment of allograft rejection, we performed magnetic resonance (MR) imaging at 0.5 T serially in seven cardiac transplant recipients and singly in seven normal volunteers. Cardiac-gated multi-echo spin echo images were obtained; T2 values were estimated by a ...

journal_title：Journal of computer assisted tomography

authors： Doornbos J,Verwey H,Essed CE,Balk AH,de Roos A

更新日期：1990-01-01 00:00:00

abstract：PURPOSE:To acquire ultra high resolution MRI images of the human brain at 8 Tesla within a clinically acceptable time frame. METHOD:Gradient echo images were acquired from the human head of normal subjects using a transverse electromagnetic resonator operating in quadrature and tuned to 340 MHz. In each study, a group...

journal_title：Journal of computer assisted tomography

authors： Robitaille PM,Abduljalil AM,Kangarlu A

更新日期：2000-01-01 00:00:00

abstract：:The objective of this study was to evaluate the potential utility of a nutritional support formula to serve as a practical means of enhancing the gastrointestinal tract on abdominal MR images. Nutritional support formula (Ensure Plus) was administered to 29 patients prior to abdominal MRI. Standard T1-weighted and T2-...

journal_title：Journal of computer assisted tomography

authors： Mirowitz SA,Susman N

更新日期：1992-11-01 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：:Magnetic resonance imaging is the imaging modality of choice as a conjunctive study to radiography for imaging bone tumors of the foot. However, there will be cases where computed tomography (CT) is performed, and CT is superior in evaluating the bone cortex and identifying pathological fractures, periosteal reaction,...

journal_title：Journal of computer assisted tomography

authors： Johnson PT,Fayad LM,Frassica FJ,Fishman EK

更新日期：2009-05-01 00:00:00

abstract：OBJECTIVE:Magnetic resonance imaging has proven to be a useful diagnostic tool for the evaluation of various types of vascular rings and congenital heart disease. We report two cases showing the accuracy of MRI in detecting post-surgical complications in patients with these conditions. MATERIALS AND METHODS:The two ca...

journal_title：Journal of computer assisted tomography

authors： al-Ali F,Higgins CB,Gooding CA

更新日期：1994-01-01 00:00:00