CT appearance of primary CNS lymphoma in patients with acquired immunodeficiency syndrome.

abstract：:The clinical and MR features of an alcoholic woman with Wernicke encephalopathy are reported. During the acute stage Gd-diethylenetriamine pentaacetic acid enhanced MR revealed damage of the blood-brain barrier bilaterally and symmetrically adjacent to the third ventricle, cerebral aqueduct, and fourth ventricle. The ...

journal_title：Journal of computer assisted tomography

authors： Schroth G,Wichmann W,Valavanis A

更新日期：1991-11-01 00:00:00

abstract：:Weighting is the term most frequently used to describe magnetic resonance pulse sequences and the concept most commonly used to relate image contrast to differences in magnetic resonance tissue properties. It is generally used in a qualitative sense with the single tissue property thought to be most responsible for th...

journal_title：Journal of computer assisted tomography

authors： Yokoo T,Bae WC,Hamilton G,Karimi A,Borgstede JP,Bowen BC,Sirlin CB,Chung CB,Crues JV,Bradley WG,Bydder GM

更新日期：2010-05-01 00:00:00

abstract：:We reviewed our clinical experience of the past 1 1/2 years using computed tomography (CT) in cases of suspected renal vein thrombosis; we detected three cases and correctly excluded renal vein thrombosis in an additional three patients. Because of our limited clinical experience, we surgically created left renal vein...

journal_title：Journal of computer assisted tomography

authors： Glazer GM,Francis IR,Gross BH,Amendola MA

更新日期：1984-04-01 00:00:00

abstract：BACKGROUND:Increasing image pitch in computed tomographic (CT) imaging is a method through which scan time can be reduced, which can reduce motion artifacts. In this study, we assess the clinical feasibility of ultrahigh-pitch CT imaging made possible by dual-source CT. METHODS:Image pitch, total scan time, and image ...

journal_title：Journal of computer assisted tomography

authors： Hardie AD,Mayes N,Boulter DJ

更新日期：2011-05-01 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：OBJECTIVE:We compared body coil (BC) MR images and endorectal surface coil (ERC) images with respect to the visualization of the cervix and adjacent tissues and the histopathologic correlations of the imaging findings. MATERIALS AND METHODS:Twenty-one patients with cervical carcinoma underwent MRI using both coils for...

journal_title：Journal of computer assisted tomography

authors： Kaji Y,Sugimura K,Kitao M,Ishida T

更新日期：1994-09-01 00:00:00

abstract：OBJECTIVE:To prospectively investigate the feasibility of an 80-kilovolt (peak) (kVp) protocol in computed tomographic venography for varicose veins of the lower extremities by comparison with conventional 120-kVp protocol. METHODS:Attenuation values and signal-to-noise ratio of iodine contrast medium (CM) were determ...

journal_title：Journal of computer assisted tomography

authors： Cho ES,Kim JH,Kim S,Yu JS,Chung JJ,Yoon CS,Lee HK,Lee KH

更新日期：2012-09-01 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：:We conducted a prospective evaluation of the normal vermiform appendix in 203 patients. Conventional CT techniques were utilized with an 8 mm slice thickness and 10 mm slice interval. The normal appendix was definitely identified in 51% of the patients studied. Computed tomographic appearance of the normal appendix is...

journal_title：Journal of computer assisted tomography

authors： Grosskreutz S,Goff WB 2nd,Balsara Z,Burkhard TK

更新日期：1991-07-01 00:00:00

abstract：:Hepatocellular carcinoma and cholangiocarcinoma are the most common primary liver malignancies in adults (comprising >85%); however, liver is also host to some unusual primary malignant tumors. Some of these tumors show distinct demographic, clinicopathologic, and imaging features. Imaging features of these uncommon p...

journal_title：Journal of computer assisted tomography

authors： Sunnapwar A,Katre R,Policarpio-Nicolas M,Katabathina V,Erian M

更新日期：2016-05-01 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：:Chondroblastoma is a rare benign primary bone tumor with generally characteristic plain radiographic features. In some cases, however, the benign nature and the extent of the lesion may not be appreciated using conventional radiography. We report the CT findings of chondroblastoma in three patients. In one patient CT ...

journal_title：Journal of computer assisted tomography

authors： Quint LE,Gross BH,Glazer GM,Braunstein EM,White SJ

更新日期：1984-10-01 00:00:00

abstract：:Recurrent respiratory papillomatosis is a chronic disease of children and young adults associated with various complications, one of which is malignant change. We report CT findings of malignant change in a case of recurrent respiratory papillomatosis. ...

journal_title：Journal of computer assisted tomography

authors： Lui D,Kumar A,Aggarwal S,Soto J

更新日期：1995-09-01 00:00:00

abstract：:The use of magnetic resonance (MR) to preoperatively evaluate patients with primary hyperparathyroidism was assessed using a 1.5 T system and surface coil reception. Twenty-five patients with primary hyperparathyroidism were studied before surgical exploration. Axial images, 5 mm thick, were obtained from the thyroid ...

journal_title：Journal of computer assisted tomography

authors： Kier R,Blinder RA,Herfkens RJ,Leight GS,Spritzer CE,Carroll BA

更新日期：1987-09-01 00:00:00

abstract：:Subchondral fractures in association with an intact joint space and narrowing of the joint space have not previously been reported with sacroiliac joint trauma in children. The subchondral fractures are thought to occur through the zones of cartilage proliferation and provisional calcification in the growing cartilage...

journal_title：Journal of computer assisted tomography

authors： Donoghue V,Daneman A,Krajbich I,Smith CR

更新日期：1985-03-01 00:00:00

abstract：:Nephrogenic systemic fibrosis (NSF) is a rare, idiopathic systemic fibrosing disorder that is predominantly characterized by a clinicopathologically distinct symmetric dermopathy and debilitating joint contractures. The condition affects patients with renal insufficiency and appears to show improvement with prompt res...

journal_title：Journal of computer assisted tomography

authors： Prasad SR,Jagirdar J

更新日期：2008-01-01 00:00:00

abstract：OBJECTIVE:The goal of this study was twofold: first, to quantify the influence of magnetic field strength (B0) on T2* and T2susceptibility relaxation rates in vertebral bone marrow; and second, to determine the significance of in-phase/out-of-phase phenomena in GE MRI as a function of TEs at different B0 values. MATER...

journal_title：Journal of computer assisted tomography

authors： Parizel PM,Van Riet B,van Hasselt BA,Van Goethem JW,van den Hauwe L,Dijkstra HA,van Wiechen PJ,De Schepper AM

更新日期：1995-05-01 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：:Dural venous thrombosis can have a rapidly progressive fatal course if unrecognized; its clinical picture is often confusing. Numerous CT, magnetic resonance (MR), and angiographic findings have been described to help recognize this entity. We present a case of dilated transcerebral medullary veins as a sign of superi...

journal_title：Journal of computer assisted tomography

authors： Anderson SC,Shah CP,Murtagh FR

更新日期：1987-11-01 00:00:00

abstract：:Clinical evaluation of neuromuscular disorders typically consists of obtaining a detailed clinical history, physical examination, and electrophysiologic examinations. Electrodiagnostic examinations significantly aid in distinguishing between myopathy, neuropathy, and neuromuscular disorders. Electrodiagnostic examinat...

journal_title：Journal of computer assisted tomography

authors： Elsayes KM,Shariff A,Staveteig PT,Mukundan G,Khosla A,Rubin DA

更新日期：2005-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We delivered the saline chaser via a spiral flow-generating tube or a conventional connecting tube and compared arterial enhancement at computed tomography angiography (CTA) of the lower extremities. MATERIALS AND METHODS:We randomly assigned 100 patients whose ankle bronchial pressure index o...

journal_title：Journal of computer assisted tomography

authors： Masuda T,Funama Y,Nakaura T,Imada N,Sato T,Yamashita Y,Awai K

更新日期：2015-11-01 00:00:00

abstract：OBJECTIVE:The aim of the study was to investigate the feasibility of low-tube-voltage computed tomography (CT) in combination with 3-dimensional adaptive iterative dose reduction (AIDR-3D) algorithm in lower extremity CT angiography. METHODS:The CT data of the 120-kV group (n = 30) were reconstructed with filtered bac...

journal_title：Journal of computer assisted tomography

authors： Pan YN,Li AJ,Chen ZQ,Ren DW,Zhang J,Jiang MQ,Huang QL

更新日期：2016-03-01 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：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

abstract：:We present a unique case of aggressive osteoblastoma arising from thyroid cartilage. A 52-year-old man presented with a 10 month history of neck discomfort but without frank pain. CT and MR examinations disclosed a well defined mass arising from the thyroid cartilage. This lesion had areas of coarse calcifications and...

journal_title：Journal of computer assisted tomography

authors： Agarwala R,Graham RJ,Panella JS

更新日期：1996-01-01 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：:Osteoid osteoma is a benign osteoblastic tumor usually diagnosed by conventional radiography. Computed tomography can be used preoperatively to localize the nidus and avoid unnecessary or misdirected resection. In this report CT appearance of the nidus in osteoid osteoma versus sequestration in osteomyelitis is presen...

journal_title：Journal of computer assisted tomography

authors： Mahboubi S

更新日期：1986-05-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to optimize chest port contrast injections using stepwise improvements. METHODS:Ex vivo injections were tested. Two hundred scans using power port injections were then evaluated. RESULTS:The highest flow rate was achieved using a 19G access needle, larger diameter tubing, and warme...

journal_title：Journal of computer assisted tomography

authors： Fielding JC,Wagner-Bartak NA,Javadi S,Morani AC,Ganeshan D,Ibarra-Rovira JJ,Liu X,Jensen CT

更新日期：2020-11-01 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：:High-resolution CT (HRCT) and chest radiographs were compared in nine patients with miliary lung disease. In all cases, miliary disease was documented to be infectious in etiology; six of these patients proved to be human immunodeficiency virus (HIV) positive. A mixture of both sharply and poorly defined 1-3 mm nodule...

journal_title：Journal of computer assisted tomography

authors： McGuinness G,Naidich DP,Jagirdar J,Leitman B,McCauley DI

更新日期：1992-05-01 00:00:00