Ultrasonic visualization of an umbilical vein.

abstract：PURPOSE:To compare the image quality and degree of vessel narrowing at flow-sensitive dephasing (FSD) magnetic resonance (MR) angiography of the hands with those at contrast material-enhanced MR angiography of the hands in patients with systemic sclerosis. MATERIALS AND METHODS:In a single-center study with institutio...

journal_title：Radiology

authors： Sheehan JJ,Fan Z,Davarpanah AH,Hodnett PA,Varga J,Carr JC,Li D

更新日期：2011-04-01 00:00:00

abstract：:A commercially available double-lumen central venous catheter that can be inserted over a 0.018-inch guide wire was used for ureteral perfusion studies in three infants. Complications or difficulties were not encountered in any patients. This technique allows simultaneous monitoring of perfusion and intrarenal pressur...

journal_title：Radiology

authors： Diament MJ,Koenig JC Jr

更新日期：1991-10-01 00:00:00

abstract：PURPOSE:To evaluate the additional diagnostic value of unenhanced computed tomographic (CT) images in the depiction of viable tumor in patients who were treated with transcatheter arterial chemoembolization (TACE) for hepatocellular carcinoma (HCC) and followed up with biphasic helical CT that included the acquisition ...

journal_title：Radiology

authors： Kim HC,Kim AY,Han JK,Chung JW,Lee JY,Park JH,Choi BI

更新日期：2002-12-01 00:00:00

abstract：PURPOSE:To compare the clinical effectiveness of a covered nitinol stent with that of a polyurethane stent for treatment of lacrimal system obstructions. MATERIALS AND METHODS:A nitinol stent was knit from a single thread of 0.1-mm nitinol wire in a tubular configuration and was covered by dipping the stent into a pol...

journal_title：Radiology

authors： Ko GY,Song HY,Seo TS,Kim TH,Sung KB,Yoon HK

更新日期：2003-04-01 00:00:00

abstract：:Background Chest CT is used in the diagnosis of coronavirus disease 2019 (COVID-19) and is an important complement to reverse-transcription polymerase chain reaction (RT-PCR) tests. Purpose To investigate the diagnostic value and consistency of chest CT as compared with RT-PCR assay in COVID-19. Materials and Methods ...

journal_title：Radiology

authors： Ai T,Yang Z,Hou H,Zhan C,Chen C,Lv W,Tao Q,Sun Z,Xia L

更新日期：2020-08-01 00:00:00

abstract：:Normal menisci may show transient distortion during knee arthrography. This usually results from intermittent visualization of the meniscus out of direct profile to the x-ray beam. Similar transient distortion may result from actual buckling of an anatomically normal meniscus during stressful maneuvers in young indivi...

journal_title：Radiology

authors： Hall FM

更新日期：1978-01-01 00:00:00

abstract：PURPOSE:To evaluate the incidence of postoperative complications in liver donors and the efficacy of interventional management for treating these complications. MATERIALS AND METHODS:The study included 386 consecutive donors: 219 donors underwent right lobectomy or segmentectomy and 167 donors underwent left lobectomy...

journal_title：Radiology

authors： Lee SY,Ko GY,Gwon DI,Song HY,Lee SG,Yoon HK,Sung KB

更新日期：2004-02-01 00:00:00

abstract：PURPOSE:To retrospectively compare the detection and characterization of hepatic perfusion disorder (HPD) associated with focal liver lesions (FLLs) at contrast material-enhanced ultrasonography (US) by using contrast-enhanced computed tomography (CT) as the reference standard. MATERIALS AND METHODS:The study was appr...

journal_title：Radiology

authors： Zhou X,Luo Y,Peng YL,Cai W,Lu Q,Lin L,Sha XX,Li YZ,Zhu M

更新日期：2011-07-01 00:00:00

abstract：PURPOSE:To use artificial intelligence methods to determine whether quantitative parameters describing the perfusion image can be synthesized to make a reasonable estimate of the pulmonary arterial (PA) pressure measured at angiography. MATERIALS AND METHODS:Radionuclide perfusion images were obtained in 120 patients ...

journal_title：Radiology

authors： Scott JA

更新日期：2002-08-01 00:00:00

abstract：:Three patients with surgically proved pancreatic carcinoma and one with chronic and acute pancreatitis were evaluated by computed tomography. Scans through the pancreatic region were initially performed with standard 10-mm collimation and then repeated using thin-section (5-mm) collimation. In all cases a pathological...

journal_title：Radiology

authors： Callen PW,London SS,Moss AA

更新日期：1980-01-01 00:00:00

abstract：:Eleven lesions of the brain were analyzed and compared; they had absorption coefficients uniformly at the cerebrospinal fluid (CSF) level following contrast enhancement, and ranged from benign to malignant and solid to cystic. Grossly solid tumors may have absorption coefficients on the CT scan equal to CSF even after...

journal_title：Radiology

authors： Latchaw RE,Gold LH,Moore JS Jr,Payne JT

更新日期：1977-10-01 00:00:00

abstract：:A new method of diagnosing myocardial contusion was studied in 8 patients in whom the injured mycardium was visualized as an abnormal area of increased activity in the region of the heart one hour after intravenous injection of 10 mCi of 99m-Tc-Sn-polyphosphate or pyrophosphate. Serum enzymes in these patients were el...

journal_title：Radiology

authors： Go RT,Doty BD,Chiu CL,Christie JH

更新日期：1975-07-01 00:00:00

abstract：PURPOSE:To determine if follow-up computed tomography (CT) after definitive radiation therapy for laryngeal or hypopharyngeal (laryngopharyngeal) carcinoma allows the detection of local failure earlier than clinical examination alone. MATERIALS AND METHODS:Pre- and post-radiation therapy follow-up CT scans in 66 patie...

journal_title：Radiology

authors： Hermans R,Pameijer FA,Mancuso AA,Parsons JT,Mendenhall WM

更新日期：2000-03-01 00:00:00

abstract：:T1-weighted magnetic resonance (MR) images of the pituitary gland and sella turcica routinely demonstrate a region of high signal intensity in the neurohypophysis. High-resolution MR imaging studies of the sella turcica in 200 subjects with a normal or abnormal sella were analyzed. The hyperintensity was found in the ...

journal_title：Radiology

authors： Colombo N,Berry I,Kucharczyk J,Kucharczyk W,de Groot J,Larson T,Norman D,Newton TH

更新日期：1987-11-01 00:00:00

abstract：PURPOSE:To characterize the thin-section computed tomographic (CT) appearance of bronchiolitis fibrosa obliterans syndrome in infants and young children after lung transplantation. MATERIALS AND METHODS:Thin-section CT studies in six patients with bronchiolitis obliterans syndrome (age range, 2 months to 5 1/2 years) ...

journal_title：Radiology

authors： Lau DM,Siegel MJ,Hildebolt CF,Cohen AH

更新日期：1998-09-01 00:00:00

abstract：:A case of blind pouch formation presenting as gastrointestinal bleeding 23 years following side-to-side small bowel anastomosis to relieve obstruction is reported. Although rare, blind pouches may occasionally be encountered. Familiarity with the clinical and radiographic features can aid in a prompt and precise preop...

journal_title：Radiology

authors： Maglinte DD

更新日期：1979-08-01 00:00:00

abstract：PURPOSE:To assess interobserver and intraobserver reliability of three quantitative measures of coronary artery calcium burden: calcium "score," number of calcified lesions, and calcified area. MATERIALS AND METHODS:Electron beam computed tomographic (CT) scanning was used in a series of 25 patients to detect coronary...

journal_title：Radiology

authors： Kaufmann RB,Sheedy PF 2nd,Breen JF,Kelzenberg JR,Kruger BL,Schwartz RS,Moll PP

更新日期：1994-02-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate high-spatial-resolution signal enhancement ratio (SER) imaging for the prediction of disease recurrence in patients with breast cancer who underwent preoperative magnetic resonance (MR) imaging. MATERIALS AND METHODS:This retrospective study was approved by the institutional review ...

journal_title：Radiology

authors： Li KL,Partridge SC,Joe BN,Gibbs JE,Lu Y,Esserman LJ,Hylton NM

更新日期：2008-07-01 00:00:00

abstract：:A diagnostic approach to assess liver metastases from colorectal carcinoma was prospectively evaluated in 30 patients with and without metastases on the basis of findings at conventional computed tomography (CT). With the technique, termed continuous CT angiography (CCTA), CT data were continuously sampled for 24 seco...

journal_title：Radiology

authors： Oudkerk M,van Ooijen B,Mali SP,Tjiam SL,Schmitz PI,Wiggers T

更新日期：1992-10-01 00:00:00

abstract：:Adoptive immunotherapy with interleukin-2 (IL-2) is associated with a generalized vascular leak syndrome. Pulmonary edema is a common occurrence and is rarely responsible for acute respiratory failure requiring assisted ventilation. The authors have performed a retrospective review of chest radiographs in 19 patients ...

journal_title：Radiology

authors： Mann H,Ward JH,Samlowski WE

更新日期：1990-07-01 00:00:00

abstract：:Purpose To inform the management of fractured inferior vena cava filters on the basis of results from a tertiary referral center specializing in complex filter retrieval. Materials and Methods This study had institutional review board approval and was HIPAA compliant. Retrospective analysis of all patients with fractu...

journal_title：Radiology

authors： Trerotola SO,Stavropoulos SW

更新日期：2017-09-01 00:00:00

abstract：:Background Mammography screening reduces breast cancer mortality, but a proportion of breast cancers are missed and are detected at later stages or develop during between-screening intervals. Purpose To develop a risk model based on negative mammograms that identifies women likely to be diagnosed with breast cancer be...

journal_title：Radiology

authors： Eriksson M,Czene K,Strand F,Zackrisson S,Lindholm P,Lång K,Förnvik D,Sartor H,Mavaddat N,Easton D,Hall P

更新日期：2020-11-01 00:00:00

abstract：PURPOSE:To quantitatively evaluate and validate a two-phase helical computed tomographic (CT) protocol for evaluation of pancreatic tumors. MATERIALS AND METHODS:Twenty-seven patients with pathologically proved pancreatic adenocarcinomas prospectively underwent two-phase CT examination with helical acquisition during ...

journal_title：Radiology

authors： Lu DS,Vedantham S,Krasny RM,Kadell B,Berger WL,Reber HA

更新日期：1996-06-01 00:00:00

abstract：:This introduction to biostatistics and measurement is the first in a series of articles designed to provide Radiology readers with a basic understanding of statistical concepts. Although most readers of the radiology literature know that application of study results to their practice requires an understanding of stati...

journal_title：Radiology

authors： Applegate KE,Crewson PE

更新日期：2002-11-01 00:00:00

abstract：:Twelve patients with symptoms of acute cholecystitis underwent heavily T2-weighted and mangafodipir trisodium-enhanced T1-weighted magnetic resonance (MR) cholangiography and cholescintigraphy before they underwent cholecystectomy. On T2-weighted MR cholangiographic images, morphologic evidence of outflow obstruction ...

journal_title：Radiology

authors： Kim KW,Park MS,Yu JS,Chung JP,Ryu YH,Lee SI,Lee KS,Yoon SW,Lee KH

更新日期：2003-05-01 00:00:00

abstract：:The value of magnetic resonance (MR) imaging in assessing renal transplants was prospectively studied in 45 patients with 46 allografts. Four allografts were imaged at two different times, and separate diagnoses were given for both examinations. Therefore, this study was based on 50 proved diagnoses: nine normally fun...

journal_title：Radiology

authors： Hricak H,Terrier F,Demas BE

更新日期：1986-05-01 00:00:00

abstract：:Hirschprung disease is usually diagnosed in infancy. Occasionally patients reach adulthood without diagnosis or treatment. Four cases of adult Hirschprung disease are described. The principal radiographic findings are a markedly dilated, feces-filled colon above the zone of transition; a narrowed rectum; a cone- or fu...

journal_title：Radiology

authors： Mindelzun RE,Hicks SM

更新日期：1986-09-01 00:00:00

abstract：PURPOSE:To study the vascular and biliary liver anatomy and its relevance to the creation of a transjugular intrahepatic portosystemic shunt (TIPS). MATERIALS AND METHODS:Acrylic casts of 25 normal human livers (necropsy specimens) were obtained. The anatomy of the hepatic veins, portal vein, hepatic artery, and bile ...

journal_title：Radiology

authors： Uflacker R,Reichert P,D'Albuquerque LC,de Oliveira e Silva A

更新日期：1994-06-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the sensitivity and specificity of integrated fluorine 18 fluorodeoxyglucose (FDG) positron emission tomography (PET) and computed tomography (CT) (PET/CT) for the preoperative diagnosis of mediastinal nodal metastasis in stage T1 non-small cell lung cancer (NSCLC), with surgical and h...

journal_title：Radiology

authors： Kim BT,Lee KS,Shim SS,Choi JY,Kwon OJ,Kim H,Shim YM,Kim J,Kim S

更新日期：2006-11-01 00:00:00

abstract：PURPOSE:To determine the natural history of intracranial calcifications in infants with treated congenital toxoplasmosis. MATERIALS AND METHODS:Between January 1982 and March 1994, cranial computed tomography was performed in 56 infants with treated congenital toxoplasmosis when they were newborns and approximately 1 ...

journal_title：Radiology

authors： Patel DV,Holfels EM,Vogel NP,Boyer KM,Mets MB,Swisher CN,Roizen NJ,Stein LK,Stein MA,Hopkins J,Withers SE,Mack DG,Luciano RA,Meier P,Remington JS,McLeod RL

更新日期：1996-05-01 00:00:00