An unusual CT presentation of cerebral toxoplasmosis.

abstract：PURPOSE:The purpose of this work was to evaluate the accuracy of CT angiography (CTA) for the detection of large vessel intracranial thrombus in clinically suspected hyperacute (<6 h) stroke patients. METHOD:Forty-four consecutive intraarterial thrombolysis candidates underwent noncontrast CT followed immediately by C...

journal_title：Journal of computer assisted tomography

authors： Lev MH,Farkas J,Rodriguez VR,Schwamm LH,Hunter GJ,Putman CM,Rordorf GA,Buonanno FS,Budzik R,Koroshetz WJ,Gonzalez RG

更新日期：2001-07-01 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：:The computed tomography (CT) and ultrasound findings in 18 patients (35 kidneys) with non-Hodgkin lymphoma involving the kidneys are presented. Renal involvement was bilateral in 13 patients. The most common presentation was that of multiple intraparenchymal nodules (15 kidneys). Other types of involvement included di...

journal_title：Journal of computer assisted tomography

authors： Heiken JP,Gold RP,Schnur MJ,King DL,Bashist B,Glazer HS

更新日期：1983-04-01 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：:The authors report three cases of abnormal chest radiography mimicking mediastinal masses. These radiographic findings were unrelated to any pathology, were discovered in asymptomatic patients, and must be considered consequences of unusually narrow thoracic inlets. Mean and standard deviations of the anteroposterior ...

journal_title：Journal of computer assisted tomography

authors： Jardin M,Lemaitre L,Remy J

更新日期：1986-07-01 00:00:00

abstract：OBJECTIVE:We describe a manual segmentation and image fusion method to assess the relationship between liver tumors and the radiofrequency ablation zone depicted on cross-sectional imaging. CONCLUSIONS:Manual fusion of segmented images of hepatic tumors from a preprocedural scan with the ablation zone depicted on the ...

journal_title：Journal of computer assisted tomography

authors： Iyer RS,Timm BA,Mitsumori LM,Kolokythas O

更新日期：2010-03-01 00:00:00

abstract：:This article reviews the computed tomography imaging features of a variety of gastric tumors containing fatty tissue. Lipoma, angiolipoma, liposarcoma, and teratoma are described. Differential diagnosis includes primary and reactive lipomatosis, carcinoma engulfing the perivisceral fat thus mimicking differentiated li...

journal_title：Journal of computer assisted tomography

authors： Ferrozzi F,Tognini G,Bova D,Pavone P

更新日期：2000-11-01 00:00:00

abstract：:In a study designed to assess the diagnostic and prognostic usefulness of magnetic resonance (MR) imaging in patients to be treated with chymopapain, 39 patients with a clinicoradiographic picture of herniated lumbar disk were scanned. Twenty-one of these, who were actually treated, were rescanned 3 months following t...

journal_title：Journal of computer assisted tomography

authors： Masaryk TJ,Boumphrey F,Modic MT,Tamborrello C,Ross JS,Brown MD

更新日期：1986-11-01 00:00:00

abstract：:The aim in positron emission tomography is to provide quantitative information about the uptake, localization, and turnover of labeled molecules in the human body. Instruments designed for this purpose are based on the coincidence detection of the emitted annihilation photons. In this paper, we examine those instrumen...

journal_title：Journal of computer assisted tomography

authors： Kouris K,Garnett ES,Herman GT

更新日期：1981-10-01 00:00:00

abstract：OBJECTIVE:To determine the incremental detection rate of clinically significant prostate cancer (csPCa) provided by sequential cores during in-bore magnetic resonance imaging (MRI)-guided prostate biopsies. METHODS:Single-center, retrospective interpretation of prospectively acquired data in men without previous diagn...

journal_title：Journal of computer assisted tomography

authors： Subramanian N,Recchimuzzi DZ,Xi Y,Diaz de Leon A,Chen H,Xie D,Goldberg K,Rofsky NM,Pedrosa I,Costa DN

更新日期：2020-12-02 00:00:00

abstract：:Compressive sensing (CS)-based interior tomography is a state-of-the-art method for accurate image reconstruction from only locally truncated projections. Here, we report our preliminary interior tomography results reconstructed from raw projections of a patient acquired on a GE Discovery CT750 HD scanner. This is the...

journal_title：Journal of computer assisted tomography

authors： Yu H,Wang G,Hsieh J,Entrikin DW,Ellis S,Liu B,Carr JJ

更新日期：2011-11-01 00:00:00

abstract：PURPOSE:The purpose of this study was to clarify characteristics of combined hepatocellular and cholangiocarcinoma (HCC-CC) on CT and clinicopathological examinations. METHODS:Dynamic incremental CT was performed on 15 combined HCC-CC patients. CT of the early phase was started at 30 s and of the late phase at 120-140...

journal_title：Journal of computer assisted tomography

authors： Fukukura Y,Taguchi J,Nakashima O,Wada Y,Kojiro M

更新日期：1997-01-01 00:00:00

abstract：:A whole-body single-photon emission computed tomography system has been evaluated in terms of its physical performance. It consists of a standard GE 400 T maxi camera rotating on a ring stand, coupled to an Informatek Simis 3 computer system. In its standard mode of operation, 64 or 128 successive views of 64 X 64 or ...

journal_title：Journal of computer assisted tomography

authors： Soussaline FP,Todd-Popkropek AE,Zurowski S,Huffer E,Raynaud CE,Kellershohn CL

更新日期：1981-08-01 00:00:00

abstract：:Three patients are presented in whom computed tomography incidentally demonstrated low density masses posterior to, but separate from, the right kidney. In two, these were proven to represent unilocular cysts, and the third is presumed cystic. Possible etiologies are discussed. ...

journal_title：Journal of computer assisted tomography

authors： Buck DR,Dunnick NR,Doppman JL

更新日期：1979-12-01 00:00:00

abstract：OBJECTIVE:An anomalous origin and course of the coronary arteries can be benign or life threatening. Recently, because of new advances in computed tomography technology, radiologists have begun to interpret the diseases of coronary arteries. We aimed to demonstrate some remarkable anomalies of coronary arteries, some o...

journal_title：Journal of computer assisted tomography

authors： Duran C,Kantarci M,Durur Subasi I,Gulbaran M,Sevimli S,Bayram E,Eren S,Karaman A,Fil F,Okur A

更新日期：2006-11-01 00:00:00

abstract：:Suprascapular neuropathy results from abnormal compression of the suprascapular nerve, typically at the suprascapular or spinoglenoid notch. This may be produced by either mass effect such as ganglion cyst or by certain repetitive shoulder motions producing wide scapular excursion (e.g., hyperabduction), which causes ...

journal_title：Journal of computer assisted tomography

authors： Zeiss J,Woldenberg LS,Saddemi SR,Ebraheim NA

更新日期：1993-03-01 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：:The computed tomographic (CT) appearance of global infarction of the kidney has not been previously reported. We report a clinically proven case as well as two other cases with clinical and radiographic findings consistent with renal infarction. The CT appearance of global renal infarction corresponds with its convent...

journal_title：Journal of computer assisted tomography

authors： Glazer GM,London SS

更新日期：1981-12-01 00:00:00

abstract：:The case of a 75-year-old man with a history of lymphoma, recent upper respiratory tract infection, and a protracted course of encephalopathy is presented. Radiologically, findings were consistent with posterior reversible encephalopathy syndrome. A brain biopsy revealed evidence of endothelial activation, T-cell traf...

journal_title：Journal of computer assisted tomography

authors： Kofler J,Bartynski WS,Reynolds TQ,Lieberman FS,Murdoch GH,Hamilton RL

更新日期：2011-01-01 00:00:00

abstract：:A case of superficial siderosis of the central nervous system secondary to bleeding from an ependymoma is presented. High-field magnetic resonance imaging showed marginal hypointensity of the cervical cord, medulla oblongata, pons, mesencephalon, anterior cerebellar and basal cerebral surfaces, and cranial nerves (II,...

journal_title：Journal of computer assisted tomography

authors： Gomori JM,Grossman RI,Bilaniuk LT,Zimmerman RA,Goldberg HI

更新日期：1985-09-01 00:00:00

abstract：PURPOSE:To evaluate the agreement and correlation between attenuation values and vascular calcification volume for intra-abdominal structures from true noncontrast (TNC) images and those from virtual noncontrast (VNC) images obtained by dual-source dual-energy computed tomography (CT) using a quadriphasic dynamic proto...

journal_title：Journal of computer assisted tomography

authors： Kim S,Kang BS,Kwon WJ,Bang M,Lim S,Park GM,Lee TY

更新日期：2020-07-01 00:00:00

abstract：OBJECTIVE:Optic nerve glioma is a common finding in patients with neurofibromatosis type 1 (NF-1). Although dural ectasia of the optic nerve is encountered rarely, it has to be considered in the differential diagnosis. MATERIALS AND METHODS:Three patients affected by NF-1 were examined sequentially by CT and MRI. RES...

journal_title：Journal of computer assisted tomography

authors： Lövblad KO,Remonda L,Ozdoba C,Huber P,Schroth G

更新日期：1994-09-01 00:00:00

abstract：OBJECTIVE:To determine the frequency and computed tomography (CT) characteristics of ovarian cysts in women of different ages. METHODS:Five hundred ninety-five contrast-enhanced CT studies performed in 430 females aged 10 or older between January 2001 and December 2006 were retrospectively reviewed. For each study, we...

journal_title：Journal of computer assisted tomography

authors： Shin YM,Lee JK,Turan N,Mauro D,Chong W

更新日期：2010-07-01 00:00:00

abstract：PURPOSE:The aim of this study was to investigate the role of dynamic contrast-enhanced magnetic resonance imaging (MRI) in evaluation of blood flow changes related to transarterial chemoembolization (TACE) and radiofrequency ablation (RFA) procedures in patients with hepatocellular carcinoma (HCC) lesions. METHODS:Fif...

journal_title：Journal of computer assisted tomography

authors： Ippolito D,Trattenero C,Talei Franzesi C,Casiraghi A,Lombardi S,Vacirca F,Corso R,Sironi S

更新日期：2016-09-01 00:00:00

abstract：PURPOSE:To date, there have been no systematic reports examining cerebral lymphomas with perfusion-sensitive MRI. We sought to determine the characteristics of perfusion-sensitive MRI of these tumors. METHOD:Five primary and three secondary cerebral lymphomas were analyzed. None of the patients had a history of AIDS. ...

journal_title：Journal of computer assisted tomography

authors： Sugahara T,Korogi Y,Shigematsu Y,Hirai T,Ikushima I,Liang L,Ushio Y,Takahashi M

更新日期：1999-03-01 00:00:00

abstract：:We report a case of pulmonary venoocclusive disease in which chest radiography, when supplemented with computed tomography after contrast medium administration, was specific enough to make the diagnosis without resorting to more invasive, potentially dangerous procedures. A brief review of the literature, with emphasi...

journal_title：Journal of computer assisted tomography

authors： Maltby JD,Gouverne ML

更新日期：1984-08-01 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：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：: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：:Three cases of hemorrhagic nerve sheath tumors of the scalp are presented with emphasis on CT findings. Each mass produced a mixed pattern of CT density due to the combination of tumor and hemorrhage within it. The CT findings were remarkably similar in the three patients and included a calvarial abnormality underlyin...

journal_title：Journal of computer assisted tomography

authors： Nanni D,Lotz PR

更新日期：1985-03-01 00:00:00