Case Report. CT and US features of renal matrix stones with calcified center.

abstract：INTRODUCTION:Stereotactic ablative radiotherapy (SABR) offers a curative treatment for lung cancer in patients who are marginal surgical candidates. However, unlike traditional surgery the lung cancer remains in place after treatment. Thus, imaging follow-up for evaluation of recurrence is of paramount importance. MAT...

journal_title：Journal of computer assisted tomography

authors： Moore W,Chaya Y,Chaudhry A,Depasquale B,Glass S,Lee S,Shin J,Mikhail G,Bhattacharji P,Kim B,Bilfinger T

更新日期：2015-09-01 00:00:00

abstract：:Disability from knee dysfunction has important implications on a patient's performance of simple day-to-day tasks, work-related duties, and leisure activities, including sports. Diagnostic imaging is of fundamental importance in the clinical evaluation of the patient with knee pain. The use of magnetic resonance imagi...

journal_title：Journal of computer assisted tomography

authors： Theodorou SJ,Theodorou DJ,Resnick D

更新日期：2005-01-01 00:00:00

abstract：:The goal of neuro-oncologic surgery is to maximize tumor resection while preserving vital brain functions. Identification of the relation between the tumor and adjacent functional cortical areas as well as efferent subcortical white matter tracts is important for preservation of function. Combined diffusion tensor ima...

journal_title：Journal of computer assisted tomography

authors： Parmar H,Sitoh YY,Yeo TT

更新日期：2004-07-01 00:00:00

abstract：:Cystic hygromas of the neck can simulate other benign lesions and occasionally extend into the mediastinum. Using computed tomography, we were able to confirm the suspected diagnosis, exclude other diagnostic considerations, and clearly demonstrate absence of mediastinal extension. ...

journal_title：Journal of computer assisted tomography

authors： Silverman PM,Korobkin M,Moore AV

更新日期：1983-06-01 00:00:00

abstract：:Collagen vascular disease (CVD) can cause a variety of lung abnormalities, including usual interstitial pneumonia, nonspecific interstitial pneumonia, organizing pneumonia, diffuse alveolar damage, lymphoid interstitial pneumonia, bronchiectasis, constrictive bronchiolitis, follicular bronchiolitis, alveolar hemorrhag...

journal_title：Journal of computer assisted tomography

authors： Tanaka N,Newell JD,Brown KK,Cool CD,Lynch DA

更新日期：2004-05-01 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：:In a case of cerebral infarction the lesions were isointense to slightly hyperintense in the T2-weighted MR images obtained approximately 2 weeks after the onset. Earlier (1 week after onset), they had been markedly hyperintense. The probably mechanisms behind this phenomenon, referred to as "MR fogging" are discussed...

journal_title：Journal of computer assisted tomography

authors： Asato R,Okumura R,Konishi J

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND:The Mount Fuji sign (MFS) is a radiological sign on computed tomographic scans depicting air between the frontal lobes. Air in this location indicates tension pneumocephalus (TP), considered a neurosurgical emergency.We evaluate the correlation between the MFS and perioperative mortality attributed to TP in ...

journal_title：Journal of computer assisted tomography

authors： Moscovici S,Halevy D,Mizrahi CJ,Goldberg SN,Brown DW,Ben-David E

更新日期：2019-09-01 00:00:00

abstract：OBJECTIVE:To describe computed tomography (CT) findings of invasive carcinoma derived from intraductal papillary mucinous neoplasms (IPMNs) of the pancreas during long-term follow-up. METHODS:Follow-up CT findings of 5 patients with IPMNs progressing to invasive carcinomas were respectively reviewed for 12 to 63 month...

journal_title：Journal of computer assisted tomography

authors： Yamada Y,Mori H,Matsumoto S,Kamei N,Hongo N

更新日期：2006-11-01 00:00:00

abstract：:We report a rare case of a bronchogenic cyst presenting as a pleural nodule. CT and MRI demonstrated a well circumscribed, homogeneous lesion located on the pleural surface apart from the mediastinum. It was proven to be a bronchogenic cyst localized between the parietal and visceral pleurae and connected with the med...

journal_title：Journal of computer assisted tomography

authors： Yoshioka N,Minami M,Inoue Y,Kawauchi N,Nakajima J,Oka T,Yoshikawa K,Ohtomo K

更新日期：2000-07-01 00:00:00

abstract：OBJECTIVE:This study aimed to explore the characteristics of patients with colorectal cancer (CRC) following curative therapy that may benefit from fluorine-18-2-uoro-2-deoxy-D-glucose positron emission tomography/computed tomography (F-FDG PET/CT) scanning, evaluate the application of carcinoembryonic antigen (CEA)-tr...

journal_title：Journal of computer assisted tomography

authors： Yu X,Zhu L,Dai D,Song X,Chen W,Zhu Y,Li X,Xu W

更新日期：2017-09-01 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:The objective of this study was to compare the accuracy of 320-row computed tomography angiography (CTA) with conventional coronary angiography. METHODS:Two hundred seventy-four patients with coronary artery disease who received both invasive coronary angiography and 320-row CTA were included. Stenosis of 50...

journal_title：Journal of computer assisted tomography

authors： Yang QH,Chen YJ,Liu QQ,Dong M,Wen L,Song X,Lv YJ,Gong YZ,Li XQ

更新日期：2012-11-01 00:00:00

abstract：:Previous reports of magnetic resonance imaging of the prostate have described a homogeneous appearance to the normal prostate gland. The T2-weighted images of the normal prostate obtained at higher field strength (1.5 T) reveal an inhomogeneous appearance of the normal gland, with apparent differentiation of normal pr...

journal_title：Journal of computer assisted tomography

authors： Sommer FG,McNeal JE,Carrol CL

更新日期：1986-11-01 00:00:00

abstract：:A case in which pus within a bladder diverticulum simulated a deep pelvic abscess is presented. This pitfall in CT diagnosis should be considered in patients with bladder outlet obstruction with symptoms of infection. ...

journal_title：Journal of computer assisted tomography

authors： Patel U,Furie DM,Lee WJ

更新日期：1991-05-01 00:00:00

abstract：PURPOSE:An approach for quantifying the shapes of the cerebral sulci is presented, utilizing a probabilistic geometric model, and it is applied to the central sulcus. METHOD:The geometric structure of the central sulcus is determined from a set of outlines on cross-sectional images and is used by a procedure that auto...

journal_title：Journal of computer assisted tomography

authors： Manceaux-Demiau A,Bryan RN,Davatzikos C

更新日期：1998-11-01 00:00:00

abstract：OBJECTIVES:Our aim was to evaluate the diagnostic accuracy of 256-slice, high-pitch mode multidetector computed tomography (MDCT) for coronary artery bypass graft (CABG) patency. METHODS:Eighty-eight patients underwent 256-slice MDCT angiography to evaluate their graft patency after CABG surgery using a prospectively ...

journal_title：Journal of computer assisted tomography

authors： Yuceler Z,Kantarci M,Yuce I,Kizrak Y,Bayraktutan U,Ogul H,Kiris A,Celik O,Pirimoglu B,Genc B,Gundogdu F

更新日期：2014-01-01 00:00:00

abstract：:A simple technique using stereotactic needle placement for retrobulbar anesthesia is reported. The method utilizes a CT-guided stereotactic device that permits precise intraconal injection of local anesthetics; in addition, the risk of injury to muscles, vessels, eyeglobe, or optic nerve is substantially reduced. ...

journal_title：Journal of computer assisted tomography

authors： Vogl G,Schimek F,Ozdoba C,Steuhl PK,Voigt K,Nüsslin F

更新日期：1990-09-01 00:00:00

abstract：PURPOSE:Acinar cell carcinoma (ACC) is a subtype of pancreatic neoplasm sufficiently rare that its imaging has not been fully analyzed. The purpose of this article is to present the computed tomography (CT) appearance of ACC of the pancreas. METHODS:Clinical data and CT studies of 10 patients (7 male and 3 female) wit...

journal_title：Journal of computer assisted tomography

authors： Chiou YY,Chiang JH,Hwang JI,Yen CH,Tsay SH,Chang CY

更新日期：2004-03-01 00:00:00

abstract：:Three surgically proven cases of lumbar extradural juxtaarticular cysts were examined by magnetic resonance (MR) imaging. The highly variable MR signal patterns are presented. ...

journal_title：Journal of computer assisted tomography

authors： Awwad EE,Martin DS,Smith KR Jr,Bucholz RD

更新日期：1990-05-01 00:00:00

abstract：:A method is outlined for obtaining direct longitudinal computed tomograms of the forearm using a conventional total body scanner. A case is described in which longitudinal scanning helped define a soft tissue tumor of the forearm and thereby assisted in surgical planning. ...

journal_title：Journal of computer assisted tomography

authors： Nesbit D,Levine E,Neff JR

更新日期：1981-02-01 00:00:00

abstract：:To evaluate the efficacy of myocardial T2 values in the assessment of allograft rejection, we performed magnetic resonance (MR) imaging at 0.5 T serially in seven cardiac transplant recipients and singly in seven normal volunteers. Cardiac-gated multi-echo spin echo images were obtained; T2 values were estimated by a ...

journal_title：Journal of computer assisted tomography

authors： Doornbos J,Verwey H,Essed CE,Balk AH,de Roos A

更新日期：1990-01-01 00:00:00

abstract：:Seven patients with supratentorial infarction were studied by means of serial nuclear magnetic resonance imaging using saturation recovery (SR) and proton density (PD) sequences. The earliest changes were visible in the more sensitive T1 dependent images (SR) and may reflect the cytotoxic component of ischemic brain e...

journal_title：Journal of computer assisted tomography

authors： Sipponen JT,Kaste M,Ketonen L,Sepponen RE,Katevuo K,Sivula A

更新日期：1983-08-01 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：:Two cases of pontine and extrapontine myelinolysis following electrolyte derangements are presented. One case showed only extrapontine myelinolytic lesions on magnetic resonance (MR) imaging, although both pontine and extrapontine myelinolysis were confirmed at postmortem. Another case made full recovery clinically wi...

journal_title：Journal of computer assisted tomography

authors： Moriwaka F,Tashiro K,Maruo Y,Nomura M,Hamada K,Kashiwaba T

更新日期：1988-05-01 00:00:00

abstract：:Diffuse cavernous hemangioma of the rectosigmoid colon (DCHR) is an uncommon disease that affects mainly young adults. As the main symptom is non-specific chronic rectal bleeding, the clinical diagnosis is difficult and often delayed. In this essay, we illustrate the imaging features of DCHR, including plain radiograp...

journal_title：Journal of computer assisted tomography

authors： Djouhri H,Arrivé L,Bouras T,Martin B,Monnier-Cholley L,Tubiana JM

更新日期：1998-11-01 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：:To achieve prolonged breath-holding, oxygen was administered just before dynamic CT and high resolution lung CT. Oxygen administration has proved to be a supportive means to improve the quality of CT studies. ...

journal_title：Journal of computer assisted tomography

authors： Sadatoh N,Hatabu H,Takahashi M,Imanaka K,Sano A

更新日期：1987-07-01 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：PURPOSE:The graphical approach is widely used for the pixelwise determination of local metabolic rate of glucose from dynamic positron emission tomography (PET) data. In its conventional implementation, measured integrals over time frames are used to approximate instantaneous tracer concentrations at midframe times ("m...

journal_title：Journal of computer assisted tomography

authors： Buchert R,van den Hoff J,Mester J

更新日期：2003-07-01 00:00:00