Anatomical localization schemes for use in positron computed tomography using a specially designed headholder.

abstract：OBJECTIVE:To assess the accuracy of 64 multidetector-row computed tomography (MDCT) in the diagnosis and staging of gastric cancer. METHODS:This study was approved by the institutional review board, and the patients involved gave informed consent. Forty-four patients (34 men and 10 women; mean age, 57 years) with gast...

journal_title：Journal of computer assisted tomography

authors： Yang DM,Kim HC,Jin W,Ryu CW,Kang JH,Park CH,Kim HS,Jung DH

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVE:To measure the distances between the internal mammary arteries (IMAs) and the sternum for determining a route for parasternal transthoracic interventions. METHODS:Coronal reconstructed multidetector computed tomography images of 202 patients were evaluated to measure the distances between the IMAs and sternu...

journal_title：Journal of computer assisted tomography

authors： Dursun M,Yekeler E,Yilmaz S,Genchellac H,Tunaci M

更新日期：2005-09-01 00:00:00

abstract：:Chest CT and magnetic resonance (MR) examinations of 28 patients with newly diagnosed or recurrent lymphoma involving the mediastinum were retrospectively evaluated for evidence of chest wall involvement. Computed tomography demonstrated seven sites of chest wall involvement in four patients; whereas MR demonstrated 1...

journal_title：Journal of computer assisted tomography

authors： Bergin CJ,Healy MV,Zincone GE,Castellino RA

更新日期：1990-11-01 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：OBJECTIVE:To investigate the magnetic resonance imaging (MRI) features of well-differentiated hepatocellular carcinoma (HCC). METHODS:We reviewed the MRI of 32 patients with 33 pathologically confirmed well-differentiated HCC. The MRI protocol included T2-weighted imaging with and without fat saturation, dual-phase T1...

journal_title：Journal of computer assisted tomography

authors： Li CS,Chen RC,Lii JM,Chen WT,Shih LS,Zhang TA,Tu HY

更新日期：2006-07-01 00:00:00

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：OBJECTIVE:To evaluate stent-induced artifacts by 64-row multidetector computed tomography (MDCT). METHODS:We studied 26 stented patients with MDCT before conventional coronary angiography (CCA). The CT values were measured. Stents were classified as occluded, with significant stenosis, with nonsignificant stenosis, or...

journal_title：Journal of computer assisted tomography

authors： Papini GD,Casolo F,Di Leo G,Briganti S,Fantoni C,Medda M,Inglese L,De Ambroggi L,Sardanelli F

更新日期：2010-11-01 00:00:00

abstract：:Subcutaneous fat provides excellent contrast for water density tissue. Five patients with subcutaneous metastases visualized on computed tomography (CT) scans are presented. In some cases, CT proved to be the optimal diagnostic modality for visualizing these lesions and documenting their response to therapy. ...

journal_title：Journal of computer assisted tomography

authors： Dunnick NR,Schaner EG,Doppman JL

更新日期：1978-07-01 00:00:00

abstract：:The design of a high resolution positron emission tomograph is described. The scanner has four rings of detectors with an inside diameter of 38 cm and produces seven simultaneous slices, including three cross-slices. Each ring contains 128 bismuth germanate scintillation detectors with dimensions of 8.25 x 20 x 35 mm;...

journal_title：Journal of computer assisted tomography

authors： Brooks RA,Sank VJ,Di Chiro G,Friauf WS,Leighton SB

更新日期：1980-02-01 00:00:00

abstract：:The magnetic resonance (MR) demonstration of a pituitary adenoma associated with McCune-Albright syndrome is presented. A useful role for routine MR imaging of the sella turcica in all cases of clinically suspected McCune-Albright syndrome is suggested. This is especially important in patients with leontiasis ossea se...

journal_title：Journal of computer assisted tomography

authors： O'Laughlin RL,Selinger SE,Moriarty PE

更新日期：1989-07-01 00:00:00

abstract：:Computed tomography of the liver was performed on two patients with subacute hepatitis. The CT findings included the presence of multiple regenerative nodules in the atrophied liver, shown by decreased CT attenuation. Complications due to hepatitis, such as massive ascites and splenomegaly, were also observed. The CT ...

journal_title：Journal of computer assisted tomography

authors： Ishikawa N,Nakagawa S,Hirata K,Takizawa Y,Hayashi S,Obara T,Ishikawa T

更新日期：1989-07-01 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：:Endovascular stent grafting of abdominal aortic aneurysms is a new technique that may replace open surgery in selected cases. Pre-and postoperative angiography can be replaced by helical CT. This pictorial essay describes and illustrates the use of multislice helical CT where maximum intensity projection and multiplan...

journal_title：Journal of computer assisted tomography

authors： Rydberg J,Kopecky KK,Lalka SG,Johnson MS,Dalsing MC,Persohn SA

更新日期：2001-07-01 00:00:00

abstract：:The demonstration by computed tomography (CT) of enlarged nodes and/or masses in lymphoma patients has been interpreted as indicating that active disease is present. Four cases are presented in which either biopsy or laparotomy of a CT-detected mass after therapy revealed fibrous tissue with no evidence of viable neop...

journal_title：Journal of computer assisted tomography

authors： Lewis E,Bernardino ME,Salvador PG,Cabanillas FF,Barnes PA,Thomas JL

更新日期：1982-08-01 00:00:00

abstract：:Elevation of the anterior part of the right diaphragm results in the spurious radiological appearance of a mass at the right lung base. Standard chest views are usually sufficient to show the true nature of the "mass." Occasionally, however, a true mass lesion cannot be entirely excluded, and further studies are then ...

journal_title：Journal of computer assisted tomography

authors： Rubinstein ZJ,Solomon A

更新日期：1981-10-01 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：PURPOSE:The goal of this study was to evaluate a newly developed semiautomated contour detection algorithm for the quantitative analysis of cardiovascular MRI. METHOD:Left ventricular function parameters derived from automatically detected endocardial and epicardial contours were compared with results derived from man...

journal_title：Journal of computer assisted tomography

authors： van der Geest RJ,Buller VG,Jansen E,Lamb HJ,Baur LH,van der Wall EE,de Roos A,Reiber JH

更新日期：1997-09-01 00:00:00

abstract：:Extraskeletal spread of multiple myeloma is common and may cause jaundice due to hepatic infiltration. Less commonly, involvement of the pancreas may cause obstructive jaundice. We present a patient with multiple myeloma who became jaundiced. Computed tomography revealed an obstructing pancreatic mass. Aspiration biop...

journal_title：Journal of computer assisted tomography

authors： Mitchell DG,Hill MC

更新日期：1985-11-01 00:00:00

abstract：OBJECTIVE:To evaluate the accuracy of dynamic laryngeal computed tomography (DLCT) for the detection of vocal cord mobility in larynx cancer. METHODS:Vocal cord mobility of 44 patients (36 men; age range, 49-81 years) with larynx cancer was examined; 13 patients were excluded (owing to poor image quality or bilateral ...

journal_title：Journal of computer assisted tomography

authors： Celebi I,Mahmutoglu AS,Vural C,Bankaoglu M,Caliskan KC,Erturk SM,Basak M

更新日期：2012-07-01 00:00:00

abstract：PURPOSE:The purpose of this study was to assess the accuracy of magnetic resonance imaging (MRI), particularly, dynamic MRI, in distinguishing ovarian fibromas from subserous uterine leiomyomas. MATERIAL AND METHODS:Fifteen ovarian fibromas and 15 subserous uterine leiomyomas were retrospectively reviewed. All MR exam...

journal_title：Journal of computer assisted tomography

authors： Thomassin-Naggara I,Daraï E,Nassar-Slaba J,Cortez A,Marsault C,Bazot M

更新日期：2007-03-01 00:00:00

abstract：:We describe the case of a 50-year-old man with history of remote splenectomy who underwent routine lung cancer screening chest computed tomography and was incidentally found to have a liver lesion. Dedicated liver protocol computed tomography demonstrated "archiform" enhancement pattern in the arterial phase and homog...

journal_title：Journal of computer assisted tomography

authors： Varghese J,Bergson J,Yaipen O

更新日期：2018-09-01 00:00:00

abstract：OBJECTIVE:Evaluation of left ventricular function using electrocardiogram (ECG)-gated multidetector row CT (MDCT) by using 3 different volumetric assessment methods in comparison to assessment of the left ventricular function by invasive ventriculography. METHODS:Thirty patients with suspected or known coronary artery...

journal_title：Journal of computer assisted tomography

authors： Hundt W,Siebert K,Wintersperger BJ,Becker CR,Knez A,Reiser MF,Rubin GD

更新日期：2005-05-01 00:00:00

abstract：:Sternal hyperostosis is characterized by prominent new bone formation and fibrosis with less pronounced areas of granulation tissue and round cell infiltration. In previously reported cases the process involved not only the sternum but adjacent bony areas as well. Depending upon the extent of disease, acquiring biopsy...

journal_title：Journal of computer assisted tomography

authors： Bechtold RE,Karstaedt N,Wolfman NT

更新日期：1990-01-01 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：: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：:The CT findings in a case of calcified gastric carcinoma of the mucin-producing type are described. These findings include localized thickening of the gastric wall and multiple tiny calcific nodules within it. ...

journal_title：Journal of computer assisted tomography

authors： Nishimura K,Togashi K,Tohdo G,Dodo Y,Tanada S,Nakano Y,Torizuka K

更新日期：1984-10-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to investigate the image quality and diagnostic performance of model-based iterative reconstruction (MBIR) for hepatic vessel evaluation on low-tube-voltage (100 kilovolt [peak]) liver computed tomography (CT) for living donors. METHODS:Fifty-one liver donor candidates (low-ki...

journal_title：Journal of computer assisted tomography

authors： Hur BY,Lee JM,Joo I,Yu MH,Yoon JH,Han JK,Choi BI

更新日期：2014-05-01 00:00:00

abstract：:The CT findings of multiple lipid-containing dermal cysts in a patient with steatocystoma multiplex are presented. The characteristic locations, shapes, and densities of the cysts in this rare skin disorder are discussed. ...

journal_title：Journal of computer assisted tomography

authors： Sonnenblick EB,Buchness MR,Austin JH

更新日期：1986-03-01 00:00:00

abstract：:Four patients with blunt abdominal trauma underwent computed tomography (CT) as part of their diagnostic evaluation. In each case CT accurately demonstrated the pathology and the extent of injury. The results suggest that routine use of CT scanning may be an effective screening modality in the traumatized patient. It ...

journal_title：Journal of computer assisted tomography

authors： Druy EM,Rubin BE

更新日期：1979-02-01 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