Medialization of the lamina papyracea after endoscopic ethmoidectomy: comparison of preprocedure and postprocedure computed tomographic scans.

abstract：:The unusual CT appearances of a renal neoplasm, which we have described as a "focal" obstructive nephrogram secondary to transitional cell carcinoma, is reported. An explanation of the appearance is postulated. ...

journal_title：Journal of computer assisted tomography

authors： Breatnach ES,Stanley RJ,Lloyd K

更新日期：1984-10-01 00:00:00

abstract：:We report a case of agenesis of dorsal pancreas diagnosed by CT. This anomaly can easily be confused with pancreas divisum on endoscopic retrograde cholangiopancreatography alone. ...

journal_title：Journal of computer assisted tomography

authors： Shah KK,DeRidder PH,Schwab RE,Alexander TJ

更新日期：1987-01-01 00:00:00

abstract：:A case of progressive multifocal leukoencephalopathy (PML) with a classic clinical presentation but with unusual pathological and radiographic findings is reported. The pathology revealed evidence of prior hemorrhage, and imaging studies revealed focal cerebral atrophy as well as contrast enhancement on MR scans. The ...

journal_title：Journal of computer assisted tomography

authors： Ng S,Tse VC,Rubinstein J,Bradford E,Enzmann DR,Conley FK

更新日期：1995-03-01 00:00:00

abstract：:Cervical spinal epidural hematoma is a rare cause of acute neurologic syndromes including paralysis of various types. Although devastating, it can be successfully treated surgically if recognized early. We report two cases of spontaneous cervical epidural hematoma diagnosed by computed tomography, the first with a pla...

journal_title：Journal of computer assisted tomography

authors： Haykal HA,Wang AM,Zamani AA,Rumbaugh CL

更新日期：1984-04-01 00:00:00

abstract：:The authors describe a technique for automated analysis of lesions demonstrated by computed tomography. A seed circle may be superimposed on a lesion by an operator controlled program. By selecting density limits, the program will then automatically outline a particular area of abnormal density and calculate the stati...

journal_title：Journal of computer assisted tomography

authors： Hand WM,Wilk J,Huckman MS

更新日期：1977-07-01 00:00:00

abstract：:We present a case of a solitary cardiac metastasis from a malignant fibrous histiocytoma of the scalp. Magnetic resonance imaging improved the preoperative assessment and provided accurate information regarding the extent of the metastatic processes. ...

journal_title：Journal of computer assisted tomography

authors： Lee R,Fisher MR

更新日期：1989-01-01 00:00:00

abstract：OBJECTIVES:To investigate the coronary venous system (CVS) and its spatial relationship with coronary arteries by using 256-slice computed tomography (CT). METHODS:One hundred one patients underwent coronary CT angiography by using a 256-slice CT. In each patient, the CVS and its spatial relationship with coronary art...

journal_title：Journal of computer assisted tomography

authors： Bai W,Xu X,Ma H,Zhong L,Xie H,Sun C,Shi Y,Che K,Liu M,Yang J

更新日期：2020-01-01 00:00:00

abstract：:Implementation of an accurate, reliable index of cost effectiveness would help to advance technology assessment and reimbursement of MR imaging procedures, including gadolinium enhancement. To this end, an objective, consensual measure that satisfies the need for "gold-standard" confirmation of diagnostic impressions ...

journal_title：Journal of computer assisted tomography

authors： Wolf GL

更新日期：1993-01-01 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：OBJECTIVES:To retrospectively determine, by using multislice computed tomography (MSCT), whether additional interpretation of sliding-thin-slab maximum-intensity projection (MIP) reformation images improve diagnostic accuracy when compared with the diagnostic interpretation of conventional sliding-thin-slab multiplanar...

journal_title：Journal of computer assisted tomography

authors： Bin Z,Jingzhen H,Daocai W,Kai L,Cheng L

更新日期：2008-11-01 00:00:00

abstract：:Idiopathic muscular hypertrophy of the esophagus is a rare, benign esophageal disease, characterized by hyperplasia of all layers of the wall and, in particular, muscle layers. The authors describe the CT findings and review the relevant literature. ...

journal_title：Journal of computer assisted tomography

authors： Agostini S,Grimaud JC,Salducci J,Clement JP

更新日期：1988-11-01 00:00:00

abstract：OBJECTIVE:Our goal was to analyze the sources of nonuniform image intensity of two surface coil configurations used on a General Electric 1.5 T Signa scanner and to correct the major source. MATERIALS AND METHODS:Correction of receive coil nonuniform sensitivity is achieved using division by images of a uniform phanto...

journal_title：Journal of computer assisted tomography

authors： Tofts PS,Barker GJ,Simmons A,MacManus DG,Thorpe J,Gass A,Miller DH

更新日期：1994-11-01 00:00:00

abstract：OBJECTIVE:The aim of our study was to assess radiation dose reduction and image quality for enhanced chest CT examinations with a scout-based automated tube potential selection technique (kV Assist) compared with a standard 120-kV protocol. METHODS:Prospective study of enhanced chest CT examinations was performed in 1...

journal_title：Journal of computer assisted tomography

authors： Li M,Feng S,Wu N,Zhang L

更新日期：2017-05-01 00:00:00

abstract：PURPOSE:The clinical and imaging findings of children with Swyer-James-MacLeod syndrome (SJMS) were reviewed to determine the incidence and type of bronchiectasis and analyze whether the clinical course of patients with bronchiectasis differed from that of patients without bronchiectasis. METHOD:Our study population c...

journal_title：Journal of computer assisted tomography

authors： Lucaya J,Gartner S,García-Peña P,Cobos N,Roca I,Liñan S

更新日期：1998-07-01 00:00:00

abstract：:We present a case of Fitz-Hugh-Curtis syndrome (Chlamydia trachomatis perihepatitis). Contrast-enhanced CT demonstrated enhancement along the surface of the liver, but it was remarkable on the anterior surface. No other abnormalities suspicious for peritonitis were found. Contrast enhancement of the anterior surface o...

journal_title：Journal of computer assisted tomography

authors： Tsubuku M,Hayashi S,Terahara A,Furukawa T,Ohmura G

更新日期：2002-05-01 00:00:00

abstract：:Radiographic evaluation of the penis is difficult and essentially limited to invasive studies. We report cases of idiopathic and iatrogenic corpora cavernosa thromboses diagnosed by magnetic resonance imaging. ...

journal_title：Journal of computer assisted tomography

authors： Kimball DA,Yuh WT,Farner RM

更新日期：1988-07-01 00:00:00

abstract：:We propose an adaptive nonlocal means approach for image-domain material decomposition in low-dose dual-energy micro-computed tomography. The key idea is to create a distribution map for decomposition error and assign a smooth weight for a given pixel. This method is applied to the decomposed images of 3 basis materia...

journal_title：Journal of computer assisted tomography

authors： Yuan Y,Zhang Y,Yu H

更新日期：2018-11-01 00:00:00

abstract：:The following report describes the computed tomographic (CT) features of oncocytic papillary renal cell carcinoma (OPRCC), a new subtype. An experienced genitourinary pathologist identified each tumor as type 1 or 2, oncocytic, or other. Two radiologists independently reviewed CT images and assessed maximal tumor diam...

journal_title：Journal of computer assisted tomography

authors： Tse G,Chow DS,Hsu M,Margolis D,Raman SS

更新日期：2010-05-01 00:00:00

abstract：:Computed tomography (CT) findings in hydatid disease (echinococciasis) of the liver are described. Disease was caused by Echinococcus granulosus (n = 8) or E. alveolaris (n = 5), respectively. The CT appearance of these two types of echinococciasis is quite different; in disease caused by E. granulosus the CT appearan...

journal_title：Journal of computer assisted tomography

authors： Scherer U,Weinzierl M,Sturm R,Schildberg FW,Zrenner M,Lissner J

更新日期：1978-11-01 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：:We previously reported generalized cerebral glucose hypometabolism in amyotrophic lateral sclerosis (ALS) patients with upper motor neuron disease, using positron emission tomography (PET) with [18F]2-fluoro-2-deoxy-D-glucose. The present article presents a more detailed regional analysis of the hypometabolism, includ...

journal_title：Journal of computer assisted tomography

authors： Hatazawa J,Brooks RA,Dalakas MC,Mansi L,Di Chiro G

更新日期：1988-07-01 00:00:00

abstract：:Prior to the development of CT, cardiac and pericardiac masses were evaluated by chest roentgenography, angiocardiography, and echocardiography. In most cases preoperative diagnosis of a specific entity was impossible. Preoperative CT diagnosis of an intrapericardial developmental mass becomes possible because of the ...

journal_title：Journal of computer assisted tomography

authors： Moncada R,Baliga K,Moguillansky SJ,Subramanian R,Demos TC,Lozada C,Bianchi G,Ow EP

更新日期：1985-01-01 00:00:00

abstract：OBJECTIVE:The aim of the study was to assess the diagnostic value of computed tomography perfusion (CTp) of prostate in distinguishing between normal tissue and malignant lesion by using quantitative threshold values of CTp parameters. MATERIALS AND METHODS:Sixty-one consecutive men with indication for radical prostat...

journal_title：Journal of computer assisted tomography

authors： Osimani M,Bellini D,Pastore A,Palleschi G,Di Cristofano C,Rengo M,Porta N,Boboc GI,Della Rocca C,Carbone A,Petrozza V,Laghi A

更新日期：2016-09-01 00:00:00

abstract：:The typical CT findings of Lhermitte-Duclos disease (dysplastic gangliocytoma of the cerebellum) are a hypodense nonenhancing unilateral posterior fossa mass, with or without adjacent occipital thinning, hydrocephalus, and calcification. Magnetic resonance (MR) has been found to be very helpful, and superior to CT, in...

journal_title：Journal of computer assisted tomography

authors： Ashley DG,Zee CS,Chandrasoma PT,Segall HD

更新日期：1990-11-01 00:00:00

abstract：PURPOSE:The purpose of this work was to determine the range of normal measurements for the thyroid gland on chest CT scans and relate it to the dimensions of the trachea. METHOD:Chest CT scans in 118 patients were examined prospectively for visibility of the thyroid gland and its relationship to the trachea. The great...

journal_title：Journal of computer assisted tomography

authors： Prince JS,Stark P

更新日期：2002-05-01 00:00:00

abstract：:Four patients (three with hepatocellular carcinoma and one with colorectal carcinoma metastatic to the liver) previously treated with chemotherapy or radiotherapy or both in an attempt to reduce tumor bulk prior to surgical resection were examined by CT angiography (CTA). Areas of abnormal enhancement and irregular ve...

journal_title：Journal of computer assisted tomography

authors： Merine D,Fishman EK,Sitzmann JV,Kuhlman JE,Order S,Pessar M,Zerhouni EA

更新日期：1988-07-01 00:00:00

abstract：:This is the fourth of a series of 4 white papers that represent expert consensus documents developed by the Society of Computed Body Tomography and Magnetic Resonance through its task force on dual-energy computed tomography. This article, part 4, discusses DECT for abdominal and pelvic applications and, at the end of...

journal_title：Journal of computer assisted tomography

authors： De Cecco CN,Boll DT,Bolus DN,Foley WD,Kaza RK,Morgan DE,Rofsky NM,Sahani DV,Schoepf UJ,Shuman WP,Siegel MJ,Vrtiska TJ,Yeh BM,Berland LL

更新日期：2017-01-01 00:00:00

abstract：OBJECTIVE:To investigate the diagnostic efficacy of sequentially acquired gadobenete dimeglumine-enhanced 3-dimensional dynamic magnetic resonance imaging (MRI) and Resovist-enhanced MRI for detecting hepatocellular carcinoma (HCC) by comparing with combined computed tomography (CT) hepatic arteriography (CTHA) and CT ...

journal_title：Journal of computer assisted tomography

authors： Kim YK,Kwak HS,Han YM,Kim CS

更新日期：2007-09-01 00:00:00

abstract：:Two cases of thyroid-related papillary adenocarcinoma are presented. Both patients had clinically benign neck masses that were clearly separated from the thyroid gland. In both cases the thyroid gland was normal to clinical evaluation, CT, and 99mTc scanning. One patient had an occult thyroid carcinoma with a solitary...

journal_title：Journal of computer assisted tomography

authors： Som PM,Sacher M,Lanzieri CF,Shugar JM,Biller HF

更新日期：1985-01-01 00:00:00

abstract：PURPOSE:Recently, a new specific organ dose adaption and reduction protocol, or SODAR tool (X-CARE, Siemens Healthcare), which reduces dose to the anterior aspect of the body of patients, was installed on our computed tomographic scanner. The purpose of this pilot project was to evaluate image quality and dose distribu...

journal_title：Journal of computer assisted tomography

authors： Reimann AJ,Davison C,Bjarnason T,Thakur Y,Kryzmyk K,Mayo J,Nicolaou S

更新日期：2012-05-01 00:00:00