Comparison and evaluation of rigid, affine, and nonrigid registration of breast MR images.

abstract：PURPOSE:The purpose of this work was to assess the activation of the supplementary motor area (SMA) during simple motor, complex motor, hot sensory, and touch sensory tasks. METHOD:Functional MRI (fMRI) was performed in eight right-handed healthy volunteers. There were four tasks: simple motor, complex motor, hot sens...

journal_title：Journal of computer assisted tomography

authors： Chung GH,Han YM,Kim CS

更新日期：2000-07-01 00:00:00

abstract：OBJECTIVES:To evaluate the efficacy of test injection technique using a monitoring scan at knee level for 64-slice multidetector row computed tomographic (MDCT) angiography of the abdominal and lower extremity arteries. METHODS:The test injection technique using low-dose serial CT scan at knee level was performed for ...

journal_title：Journal of computer assisted tomography

authors： Nakaya Y,Kim T,Hori M,Onishi H,Maeda N,Higashihara H,Tomoda K,Nakamura H

更新日期：2009-01-01 00:00:00

abstract：:The CT appearance of hemiazygos continuation of a left-sided inferior vena cava is presented along with discussion of associated anomalies. ...

journal_title：Journal of computer assisted tomography

authors： Munechika H,Cohan RH,Baker ME,Cooper CJ,Dunnick NR

更新日期：1988-03-01 00:00:00

abstract：:Numerous cerebral asymmetries are shown on cerebral computed tomography (CT). Those seen most commonly are: (a) the left occipital pole is frequently wider and protrudes further posteriorly than the right; (b) the right frontal area often measures wider than the left, and the right frontal pole usually protrudes eithe...

journal_title：Journal of computer assisted tomography

authors： Le May M,Kido DK

更新日期：1978-09-01 00:00:00

abstract：:Radiological findings in three cases of sigmoid colon carcinoma invading the urinary bladder are reported. An irregular spiculated margin or nodular indentations in region of bladder dome were seen on intravenous urography. A soft tissue mass contiguous with an irregularly thickened urinary bladder wall and a circumfe...

journal_title：Journal of computer assisted tomography

authors： Kim SH,Na DG,Choi BI,Han JK,Han MC

更新日期：1992-09-01 00:00:00

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：PURPOSE:The purpose of this work was to evaluate the radiologic findings of gastrointestinal (GI) tract involvement in hepatocellular carcinoma (HCC) and to discuss mechanisms of spread. METHOD:Eighteen patients with histologically proven GI tract metastasis in HCC for 4.5 years underwent CT and five also underwent up...

journal_title：Journal of computer assisted tomography

authors： Park MS,Kim KW,Yu JS,Kim MJ,Yoon SW,Chung KW,Lee JT,Yoo HS

更新日期：2002-01-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to investigate if Hounsfield unit (HU) values from virtual noncontrast (VNC) images derived from portal venous phase spectral-detector computed tomography can help to differentiate adrenal adenomas and metastases. METHODS:Spectral-detector computed tomography datasets of 33 patients...

journal_title：Journal of computer assisted tomography

authors： Laukamp KR,Kessner R,Halliburton S,Zopfs D,Gupta A,Große Hokamp N

更新日期：2021-01-01 00:00:00

abstract：:Takayasu arteritis is a chronic inflammatory disease of unknown origin. The disease is characterized by transmural inflammation and fibrosis; the arterial lesions affect mainly the aorta and great vessels and sometimes involve the pulmonary arteries and visceral vessels. Despite efforts to create criteria for clinical...

journal_title：Journal of computer assisted tomography

authors： Sewall LE,Saxon RR

更新日期：1995-11-01 00:00:00

abstract：PURPOSE:The purpose of this work was to demonstrate the variety of causes of crazy-paving appearance (CPA) on high resolution CT (HRCT). METHOD:To identify cases exhibiting CPA (ground-glass opacity with superimposed interlobular septal thickening and intralobular interstitial thickening) on HRCT, we prospectively sea...

journal_title：Journal of computer assisted tomography

authors： Murayama S,Murakami J,Yabuuchi H,Soeda H,Masuda K

更新日期：1999-09-01 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：:Masses arising in the adrenal gland may be simulated on computed tomography (CT) by a number of anatomical structures and variations, and by certain pathological conditions in adjacent organs. These adrenal pseudotumors include the following: fluid-filled gastric fundus, prominent splenic lobulations, upper pole renal...

journal_title：Journal of computer assisted tomography

authors： Berliner L,Bosniak MA,Megibow A

更新日期：1982-04-01 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:The objective of this study was to compare the image quality of renal arteries and veins with dual-energy spectral computed tomography (CT) imaging in late arterial phase using 270 and 320 mg I/mL of iodixanol and their influence on renal function. METHODS:A total of 1062 patients underwent renal CT angiogra...

journal_title：Journal of computer assisted tomography

authors： Zhou K,He J,Qu F,Fan H,Ma Y,Shi T,Zhou Z,Zhu B

更新日期：2017-09-01 00:00:00

abstract：:Pick's disease is a rare cause of dementia. It often shows a characteristic pattern of atrophy affecting primarily the anterior portions of the frontal and temporal lobes. This pattern, as shown by computed tomography, may suggest the diagnosis. ...

journal_title：Journal of computer assisted tomography

authors： McGeachie RE,Fleming JO,Sharer LR,Hyman RA

更新日期：1979-02-01 00:00:00

abstract：:The magnetic resonance imaging (MRI) findings in 2 cases of ovarian cancer arising in an endometrioma are presented. In both cases, the cancer was evident as an enhancing mass within a blood-filled adnexal cyst. The MRI findings of an enhancing mass within a blood-filled adnexal cyst should prompt consideration of ova...

journal_title：Journal of computer assisted tomography

authors： Wu TT,Coakley FV,Qayyum A,Yeh BM,Joe BN,Chen LM

更新日期：2004-11-01 00:00:00

abstract：OBJECTIVE:This study aimed to observe the value of computed tomography (CT) spectral imaging parameters in the diagnosis of solitary pulmonary nodules, during the contrast-enhanced early phase and late phase. MATERIALS AND METHODS:This study was approved by the institutional review board and written informed consent w...

journal_title：Journal of computer assisted tomography

authors： Lin JZ,Zhang L,Zhang CY,Yang L,Lou HN,Wang ZG

更新日期：2016-11-01 00:00:00

abstract：OBJECTIVE:To assess the degree of extra scanning beyond the prescribed anatomic boundaries for thoracic and body computed tomographic (CT) scans and to identify associated factors. METHODS:For 442 consecutive chest, abdomen, and/or pelvis CT examinations, the length of extra scanning beyond the prescribed anatomic bou...

journal_title：Journal of computer assisted tomography

authors： Liao EA,Quint LE,Goodsitt MM,Francis IR,Khalatbari S,Myles JD

更新日期：2011-01-01 00:00:00

abstract：PURPOSE:To identify computed tomographic (CT) findings that distinguish perirenal liposarcomas from exophytic angiomyolipomas. MATERIALS AND METHODS:We identified CT scans of 20 patients (13 women and 7 men; mean age, 63 years) with either perirenal liposarcoma (n = 11) proven at histopathology or large exophytic angi...

journal_title：Journal of computer assisted tomography

authors： Ellingson JJ,Coakley FV,Joe BN,Qayyum A,Westphalen AC,Yeh BM

更新日期：2008-07-01 00:00:00

abstract：:Infiltrating angiolipoma of skeletal muscle is a rare benign tumor that has a tendency to recur unless completely excised. Although CT and angiography have been used to determine its extent, they will not allow a definite diagnosis. We present magnetic resonance findings and assert that an accurate preoperative diagno...

journal_title：Journal of computer assisted tomography

authors： Bolen JW Jr,de Lange EE,Frierson HF Jr

更新日期：1988-07-01 00:00:00

abstract：:Antemortum detection of renal metastases can be made by computed tomography (CT), particularly if the known primary malignancy is in a late stage. The CT scans of 10 oncologic patients with focal renal metastases were reviewed (confirmation by surgery in four, follow-up CT demonstrating new lesions or lesion growth in...

journal_title：Journal of computer assisted tomography

authors： Bhatt GM,Bernardino ME,Graham SD Jr

更新日期：1983-12-01 00:00:00

abstract：OBJECTIVE:Fatty infiltration in the rotator cuff muscles has been well studied in the setting of rotator cuff tendon tears to help predict outcomes of surgical repair. Fatty infiltration in the rotator cuff has also been independently correlated to the variables of age and sex. The purpose of our study was to determine...

journal_title：Journal of computer assisted tomography

authors： Dow DF,Mehta K,Xu Y,England E

更新日期：2018-03-01 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：:MRI appearance of adult polyglucosan body disease is described. A 67-year-old man presenting with a chronic progressive degenerative neurologic disorder was found to have marked atrophy of the entire cord, without signal abnormalities on long TR images. Autopsy revealed atrophy of the cord, diffuse gliosis, and numero...

journal_title：Journal of computer assisted tomography

authors： Negishi C,Sze G

更新日期：1992-09-01 00:00:00

abstract：:Mucinous cystadenocarcinoma (MCA) is a rare tumor that is considered to be a cystic variant of mucin-producing lung adenocarcinoma. MCA expands grossly by storing mucus and contains few neoplastic cells. We present the CT images of three patients with MCA and correlate them with pathologic specimens. The CT findings o...

journal_title：Journal of computer assisted tomography

authors： Gaeta M,Blandino A,Scribano E,Ascenti G,Minutoli F,Pandolfo I

更新日期：1999-07-01 00:00:00

abstract：:Vertebral artery tortuosity and loop formation are rare causes of cervical radiculopathy. The criterion standard for the detection of vertebral artery loop formation is digital subtraction angiography. Computed tomography (CT) and magnetic resonance imaging provide good accuracy in the evaluation of vertebral arteries...

journal_title：Journal of computer assisted tomography

authors： Ganiyusufoglu K,Kantarci M,Sirvanci M,Sildiroglu O,Alparslan L

更新日期：2005-01-01 00:00:00

abstract：:We studied four patients with adrenocorticotropic hormone (ACTH)-independent hypercortisolism due to bilateral massive enlargement of the adrenal glands. The combined weight of the adrenal glands ranged from 69 to 149 g and the adrenal cortex was replaced in three of four patients by multiple nodules ranging from micr...

journal_title：Journal of computer assisted tomography

authors： Doppman JL,Nieman LK,Travis WD,Miller DL,Cutler GB Jr,Chrousos GP,Norton JA

更新日期：1991-09-01 00:00:00

abstract：:A technique is described that permits the 19F nuclear magnetic resonance (NMR) imaging of the vascular system in animals that have been infused with certain perfluorocarbon blood substitutes. The essence of the technique is the selection for imaging of a narrow group of spectral lines from the fluorocarbon using a com...

journal_title：Journal of computer assisted tomography

authors： Joseph PM,Fishman JE,Mukherji B,Sloviter HA

更新日期：1985-11-01 00:00:00

abstract：PURPOSE:Typically, the final step in volume registration is the reslicing of the volume of interest. The purpose of this work is to examine the effects of this reslicing on functional MRI (fMRI) data using different interpolation methods. METHOD:Functional whole-brain echo planar imaging (EPI) volumes were resliced us...

journal_title：Journal of computer assisted tomography

authors： Ostuni JL,Santha AK,Mattay VS,Weinberger DR,Levin RL,Frank JA

更新日期：1997-09-01 00:00:00

abstract：OBJECTIVE:We retrospectively evaluated whether multi-detector row computed tomography (MDCT) could contribute to the early detection of contralateral breast cancer in women with a diagnosis of breast cancer and no suspicious lesions on a mammogram or an ultrasonogram of the contralateral breast. METHODS:A total of 518...

journal_title：Journal of computer assisted tomography

authors： Nakano S,Sakamoto H,Ohtsuka M,Mibu A,Karikomi M,Sakata H,Yamamoto M

更新日期：2011-01-01 00:00:00