Quantitation in positron emission computed tomography: 2. Effects of inaccurate attenuation correction.

abstract：:Seven patients with polypoid mucoceles of the ethmoid sinuses were examined by computed tomography (CT). The findings in all cases were remarkably similar. This unique CT appearance has not been seen with malignancies and should be considered characteristic of this benign entity. ...

journal_title：Journal of computer assisted tomography

authors： Jacobs M,Som PM

更新日期：1982-08-01 00:00:00

abstract：:We present a hemorrhagic adrenal adenoma surrounding and encompassing adjacent retroperitoneal fat to simulate the appearance of a myelolipoma by CT. A well-defined fibrous capsule, punctate calcification, and several macroscopic foci of fat within the mass led to an erroneous preoperative diagnosis. Lesions displayin...

journal_title：Journal of computer assisted tomography

authors： Rhodes RE,Gaede JT,Meyer GA

更新日期：1992-03-01 00:00:00

abstract：:We report a case of an extramedullary plasmacytoma arising from the nasopharynx. The computed tomographic appearance of this rare tumor is discussed. ...

journal_title：Journal of computer assisted tomography

authors： Bhimani S,Griffin W,Virapongse C,Altmeyer V,Kier EL

更新日期：1983-12-01 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：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：:We present a patient with a progressively enlarging adrenal mass detected by CT which extended to the renal hilum and inferior vena cava. Pathologic evaluation revealed an adrenal abscess containing purulent debris. ...

journal_title：Journal of computer assisted tomography

authors： O'Brien WM,Choyke PL,Copeland J,Klappenbach RS,Lynch JH

更新日期：1987-05-01 00:00:00

abstract：:Perinatal insults, including anoxia, may lead to a form of cerebral necrosis designated multicystic encephalomalacia. This common condition is characterized by (a) moderate atrophic ventricular dilatation, (b) intact ventricular walls with thickened subependymal glial layer, (c) multiple cysts of irregular size and sh...

journal_title：Journal of computer assisted tomography

authors： Naidich TP,Chakera TM

更新日期：1984-08-01 00:00:00

abstract：OBJECTIVES:The Clot Lysis Evaluating Accelerated Resolution of Intraventricular Hemorrhage Trial phase III is a multicenter, randomized clinical trial in the management and treatment of subjects with small intracerebral hemorrhage and large intraventricular hemorrhage. Accurate localization, segmentation, and quantific...

journal_title：Journal of computer assisted tomography

authors： KN BP,Hu J,Morgan TC,Hanley D,Nowinski WL

更新日期：2012-01-01 00:00:00

abstract：:A system of computer programs is described which, for the first time, is able to use computerized tomographic data to automatically locate, measure, and describe anatomical structures of interest with accuracy and consistency. Input to the system consists of any digitized radiographic data. Computer assisted tomograph...

journal_title：Journal of computer assisted tomography

authors： Bajcsy R,Lieberson R,Reivich M

更新日期：1983-08-01 00:00:00

abstract：PURPOSE:Our goal was to assess the effect of image acquisition rate on the diagnostic efficacy of contrast-enhanced MRI in the conservatively treated breast. METHOD:Sixty-seven women, treated with breast-conserving surgery and radiotherapy for early-stage breast cancer, were imaged at 1.5 T using a dynamic contrast-en...

journal_title：Journal of computer assisted tomography

authors： Buckley DL,Mussurakis S,Horsman A

更新日期：1998-01-01 00:00:00

abstract：PURPOSE:The purpose of this work was to evaluate patients with carpal tunnel syndrome (CTS) using a low-field extremity MR system (E-MRI: 0.2 T). METHOD:Twenty-two patients with typical findings of CTS and 30 control persons were imaged on an E-MRI. Axial T2-weighted turbo SE (TSE), T1-weighted SE sequences, and 2D GR...

journal_title：Journal of computer assisted tomography

authors： Bonél HM,Heuck A,Frei KA,Herrmann K,Scheidler J,Srivastav S,Reiser M

更新日期：2001-01-01 00:00:00

abstract：:Magnetic resonance imaging of the larynx was performed on 15 volunteers. Searching for optimal images in the sagittal, frontal, and transverse planes, we compared images made with a special surface coil and the standard head coil, images with different slice thicknesses, images with different repetition times (TR) and...

journal_title：Journal of computer assisted tomography

authors： Castelijns JA,Doornbos J,Verbeeten B Jr,Vielvoye GJ,Bloem JL

更新日期：1985-09-01 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：:Three noninvasive imaging methods, CT, scintigraphy with 201TlCl and 99mTcO4-, and ultrasonography, were performed on 36 patients with chronic renal failure and secondary hyperparathyroidism. The patients subsequently underwent total parathyroidectomy and parathyroid autograft. The detection rates of the three methods...

journal_title：Journal of computer assisted tomography

authors： Takagi H,Tominaga Y,Uchida K,Yamada N,Kano T,Kawai M,Morimoto T

更新日期：1985-07-01 00:00:00

abstract：:Renal imaging remains a critical tool to differentiate and manage benign from malignant renal disorders. Conventional multidetector computed tomography (CT) and magnetic resonance (MR) provide great anatomical details, although lack functional information and specificity. The lack of resolution undermines the function...

journal_title：Journal of computer assisted tomography

authors： Ganeshan D,Notohamiprodjo M,Nikolaidis P,Sanyal R,Bhosale P

更新日期：2013-11-01 00:00:00

abstract：:The effect of cardiac gating (CG) on the diagnostic quality of magnetic resonance images of the hilum and mediastinum was evaluated by comparing gated with nongated scans in 20 patients. The advantages of CG varied depending on the regions and structures under study and the presence and extent of disease. In general, ...

journal_title：Journal of computer assisted tomography

authors： Westcott JL,Henschke CI,Berkmen Y

更新日期：1985-11-01 00:00:00

abstract：:A 65-year-old man with lung carcinoma is presented. Chest radiography showed unilateral Kerley B lines in the right midlung and base, suggestive of lymphangitic carcinomatosis. High resolution CT demonstrated that this finding was due to residual normal interlobular septa, suspended between areas of paraseptal emphyse...

journal_title：Journal of computer assisted tomography

authors： Zompatori M,Rimondi MR,Gavelli G,Canini R

更新日期：1993-09-01 00:00:00

abstract：OBJECTIVE:Fibrothecomas of the ovary are mesenchymal tumors representing 4-5% of all ovarian neoplasms. The purpose of this study is to describe a large series of CT findings in this type of tumor. MATERIALS AND METHODS:We reviewed retrospectively the CT examinations in 25 unilateral cases confirmed by surgery and pat...

journal_title：Journal of computer assisted tomography

authors： Bazot M,Ghossain MA,Buy JN,Deligne L,Hugol D,Truc JB,Poitout P,Vadrot D

更新日期：1993-09-01 00:00:00

abstract：:Diffusion-weighted imaging can be used to distinguish epidermoid tumor from arachnoid cyst in the intracranial compartment. We report the use of diffusion-weighted imaging in a postoperative spine to successfully distinguish a recurrent epidermoid tumor from arachnoid cyst in a noninvasive manner. Our case illustrates...

journal_title：Journal of computer assisted tomography

authors： Tang L,Cianfoni A,Imbesi SG

更新日期：2006-05-01 00:00:00

abstract：PURPOSE:The space below the kidneys where the anterior and posterior pararenal spaces converge has been defined only vaguley in the past. We describe observations on clinical CT cases and studies on cadavers that lead to a refinement in the terminology for this extraperitoneal compartment. METHOD:Abdominal/pelvic CT s...

journal_title：Journal of computer assisted tomography

authors： Beaulieu CF,Mindelzun RE,Dolph J,Jeffrey RB Jr

更新日期：1997-03-01 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：: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 investigate the effect of iodinated contrast medium on sulcal hyperintensity on fluid-attenuated inversion recovery (FLAIR) imaging immediately after intra-arterial thrombolysis in patients with acute ischemic stroke and to determine whether it may be associated with subsequent hemorrhagic transformation (...

journal_title：Journal of computer assisted tomography

authors： Kim EY,Kim SS,Na DG,Roh HG,Ryoo JW,Kim HK

更新日期：2005-03-01 00:00:00

abstract：:A 7-month-old girl with infantile neuroaxonal dystrophy is reported. In diffusion MRI, the pyramidal tracts and dentate nuclei had high signal on b = 1,000 s/mm2 images and low apparent diffusion coefficient (ADC) values. This pattern likely reflected the presence of abnormal (dystrophic) axons with restricted mobilit...

journal_title：Journal of computer assisted tomography

authors： Sener RN

更新日期：2003-01-01 00:00:00

abstract：OBJECTIVE:To compare the diagnostic performance of adaptive statistical iterative reconstruction applied low-dose computed tomography (CT) (LDCT) with that of the standard-dose CT (SDCT) for local recurrence in patients with stomach cancer. METHODS:Seventy-nine consecutive patients who had undergone surgical resection...

journal_title：Journal of computer assisted tomography

authors： Shim HS,Kim SH,Yoon JH,Lim YJ,Kim OH,Ryu JH,Eun CK

更新日期：2014-05-01 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：OBJECTIVE:The aim of this study was to investigate the utility of a balloon rectal channel catheter (BRCC) in complex anal fistula magnetic resonance imaging (MRI). METHODS:A prospective study was done on 54 patients with clinical diagnosis of complex anal fistula. Eighteen patients had preoperative MRI before and aft...

journal_title：Journal of computer assisted tomography

authors： Zhan S,Yang S,Lin J,Zhu Q,Lu F,Tan W,Cheng R,Gong Z,Yang W

更新日期：2016-07-01 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：:Ovarian fibromatosis is a rare benign nonneoplastic condition with ovarian enlargement in young women and characterized by a proliferation of collagen-producing spindle cells surrounding normal ovarian structures. We reported magnetic resonance findings of a case that the affected ovarian parenchyma with follicles was...

journal_title：Journal of computer assisted tomography

authors： Takeuchi M,Matsuzaki K,Sano N,Furumoto H,Nishitani H

更新日期：2008-09-01 00:00:00

abstract：OBJECTIVE:This study aimed to assess how meniscus damage and baseline cartilage thickness influence the rate of cartilage loss and knee pain. METHODS:Of 4796 participants in the Osteoarthritis Initiative, 86 had baseline and 48-month follow-up quantitative magnetic resonance imaging data for medial compartment cartila...

journal_title：Journal of computer assisted tomography

authors： Klein JS,Jose J,Baraga MG,Subhawong TK

更新日期：2016-11-01 00:00:00