Pleural telangiectasia and absence of a pulmonary artery.

abstract：:The idiopathic interstitial pneumonias (IIPs) are a seemingly disconnected collection of diseases usually associated with the presence of pulmonary fibrosis. Categorization of the IIPs continues to be problematic despite recent attempts to refine the diagnostic criteria and suggests that rather than separate diseases,...

journal_title：Radiology

authors： Galvin JR,Frazier AA,Franks TJ

更新日期：2010-06-01 00:00:00

abstract：:A method of image analysis was developed for correlation of hemangiomas detected at computed tomography (CT) and/or magnetic resonance (MR) imaging with increased blood pool activity evident at single photon emission CT (SPECT) performed after labeling of red blood cells with technetium-99m. Image analysis was perform...

journal_title：Radiology

authors： Birnbaum BA,Noz ME,Chapnick J,Sanger JJ,Megibow AJ,Maguire GQ Jr,Weinreb JC,Kaminer EM,Kramer EL

更新日期：1991-11-01 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：PURPOSE:To compare the effects on the myometrium of polyvinyl alcohol (PVA) particles and calibrated microspheres (MS) in embolization of the uterine arteries in sheep. MATERIALS AND METHODS:Superselective and bilateral embolization of the uterine arteries was performed with PVA particles and calibrated MS within 24 h...

journal_title：Radiology

authors： Pelage JP,Laurent A,Wassef M,Bonneau M,Germain D,Rymer R,Flaud P,Martal J,Merland JJ

更新日期：2002-08-01 00:00:00

abstract：:A new software program provides the real-time display of high-resolution computed tomographic reformation in the axial, coronal, sagittal, or oblique views. The advantages of this new technique over the standard multiplanar format include (a) larger image display format, (b) reconstruction of entire dataset for each o...

journal_title：Radiology

authors： Ney DR,Fishman EK,Magid D,Kuhlman JE

更新日期：1989-01-01 00:00:00

abstract：PURPOSE:To prospectively develop and evaluate the accuracy of a duplex Doppler ultrasonographic (US) index for predicting the presence or absence of esophageal varices in patients with compensated cirrhosis (Child-Pugh class A) by using endoscopy as the reference standard. MATERIALS AND METHODS:The study had instituti...

journal_title：Radiology

authors： Liu CH,Hsu SJ,Liang CC,Tsai FC,Lin JW,Liu CJ,Yang PM,Lai MY,Chen PJ,Chen JH,Kao JH,Chen DS

更新日期：2008-07-01 00:00:00

abstract：:Purpose To investigate whether sinovenous outflow restriction (SOR) is more strongly associated with hemorrhage than cortical venous reflux (CVR) in patients with lateral sinus dural arteriovenous fistulas (DAVFs). Materials and Methods An institutional review board approved this retrospective study and waiver of info...

journal_title：Radiology

authors： Hu YS,Lin CJ,Wu HM,Guo WY,Luo CB,Wu CC,Chung WY,Liu KD,Yang HC,Lee CC

更新日期：2017-11-01 00:00:00

abstract：PURPOSE:To compare the stress experienced by women who had false-positive screening mammograms and had undergone immediate on-site diagnostic imaging evaluation with that experienced by those who had been recalled for subsequent imaging. MATERIALS AND METHODS:A retrospective survey was mailed to women with false-posit...

journal_title：Radiology

authors： Lindfors KK,O'Connor J,Parker RA

更新日期：2001-01-01 00:00:00

abstract：:Of the 67-Ga scans obtained in 42 patients with fever and suspected inflammatory lesions, 17 were positive. In 9 patients the scans yielded information about localized inflammation not provided by previous studies. Four patients did not have an inflammatory lesion at the positive site. Ten of 13 abscesses or inflamed ...

journal_title：Radiology

authors： Teates CD,Hunter JG Jr

更新日期：1975-08-01 00:00:00

abstract：PURPOSE:To quantify cephalocaudal gradient of lung inflation in acute lung injury in a dog model in prone versus supine position. MATERIALS AND METHODS:Experiments were performed in accordance with Guide for the Care and Use of Laboratory Animals, as approved by National Research Council (National Institutes of Health...

journal_title：Radiology

authors： Lee HJ,Im JG,Goo JM,Kim YI,Lee MW,Ryu HG,Bahk JH,Yoo CG

更新日期：2005-01-01 00:00:00

abstract：:From July 1993 through June 1994, the authors performed 42 ultrasound (US)-guided core biopsies with use of a coaxial technique in which a 14- or 15-gauge core biopsy needle was passed through a 12-gauge introducer needle. This technique proved to be effective in all 42 biopsies. Use of the coaxial technique decreased...

journal_title：Radiology

authors： Kaplan SS,Racenstein MJ,Wong WS,Hansen GC,McCombs MM,Bassett LW

更新日期：1995-02-01 00:00:00

abstract：:The authors retrospectively evaluated 12 patients with congenital (neonatal) neuroblastoma to assess the utility of newer imaging modalities. Findings at prenatal ultrasound (US), performed in four patients, were nonspecific (hydramnios and hydrops fetalis) in two and consistent with a suprarenal mass (one solid, one ...

journal_title：Radiology

authors： Forman HP,Leonidas JC,Berdon WE,Slovis TL,Wood BP,Samudrala R

更新日期：1990-05-01 00:00:00

abstract：PURPOSE:To evaluate the use of ultrasound (US) for detection of wooden foreign bodies implanted in cadaveric specimens. MATERIALS AND METHODS:Wooden foreign bodies were randomly placed in the plantar soft tissues of three cadaver feet by using 5-mm-long incisions. Ten foreign bodies were 2.5 x 1.0 mm (length x diamete...

journal_title：Radiology

authors： Jacobson JA,Powell A,Craig JG,Bouffard JA,van Holsbeeck MT

更新日期：1998-01-01 00:00:00

abstract：:In a prospective study, the effect of infusion of a low-density contrast material was evaluated as an adjunct to high-density, double-contrast imaging of the sigmoid colon. After double-contrast barium enema (DCBE) study, 52 consecutive patients with sigmoid diverticulosis received an additional 500-750-mL enema eithe...

journal_title：Radiology

authors： Lappas JC,Maglinte DD,Kopecky KK,Cockerill EM,Lehman GA

更新日期：1988-07-01 00:00:00

abstract：:The clinical, radiologic, and histopathologic features of three cases of clear cell chondrosarcoma are described. On radiographs, this rather benign-appearing tumor resembles a chondroblastoma when it occurs at the end of a long bone, and may occasionally show a calcified matrix. However, it has distinctive tumor cell...

journal_title：Radiology

authors： Kumar R,David R,Cierney G 3rd

更新日期：1985-01-01 00:00:00

abstract：:There are multiple causes for hematuria in infants and children. When hematuria is accompanied by dysuria, however, one should focus attention on the lower urinary tract. Although ultrasound (US) is a well-established method for assessing the kidneys and bladder, little attention has been focused on its use for evalua...

journal_title：Radiology

authors： Kessler A,Rosenberg HK,Smoyer WE,Blyth B

更新日期：1992-12-01 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：:Tisseel, a fibrin sealant not approved for use in the United States, was tested in abdominal fistulas and sinuses (13 patients) and interventional biliary procedures (11 patients). The two components of Tisseel were introduced via a double-lumen catheter and formed a fibrin gel at the point of contact. Tracts were sea...

journal_title：Radiology

authors： Brady AP,Malone DE,Deignan RW,O'Donovan N,McGrath FP

更新日期：1995-08-01 00:00:00

abstract：PURPOSE:To investigate the feasibility of obtaining reproducible apparent diffusion coefficient (ADC) maps of normal rat kidneys by using respiratory-triggered spin-echo diffusion-weighted magnetic resonance (MR) imaging, to investigate the sensitivity of ADC maps in the evaluation of renal blood flow, and to use this ...

journal_title：Radiology

authors： Yang D,Ye Q,Williams DS,Hitchens TK,Ho C

更新日期：2004-06-01 00:00:00

abstract：:Transbronchial biopsy to sample lymph nodes and tumors that are not visible at endoscopy has a poor (<50%) success rate. These nodes can be highlighted easily at virtual computed tomographic (CT) bronchoscopy to provide a guide. This study was performed to evaluate if the addition of this information to the bronchosco...

journal_title：Radiology

authors： Hopper KD,Lucas TA,Gleeson K,Stauffer JL,Bascom R,Mauger DT,Mahraj R

更新日期：2001-11-01 00:00:00

abstract：PURPOSE:To evaluate the frequency, location, and appearance of transient increased attenuation in the liver during arterial-phase helical or incremental computed tomography (CT) in patients with gallbladder disease without hepatic extension. MATERIALS AND METHODS:Findings in dynamic CT examinations in 31 patients with...

journal_title：Radiology

authors： Ito K,Awaya H,Mitchell DG,Honjo K,Fujita T,Uchisako H,Moritani K,Nomura S,Higuchi M,Kada T,Matsumoto T,Matsunaga N

更新日期：1997-09-01 00:00:00

abstract：PURPOSE:To determine if water diffusivity within lymphomas and high-grade astrocytomas correlates with cellularity. MATERIALS AND METHODS:Echo-planar diffusion-weighted magnetic resonance (MR) images obtained in 11 patients with brain lymphomas (19 lesions) and in 17 patients with astrocytomas (19 lesions) were retros...

journal_title：Radiology

authors： Guo AC,Cummings TJ,Dash RC,Provenzale JM

更新日期：2002-07-01 00:00:00

abstract：:Periportal low attenuation, defined as a low-attenuation rim around the portal vein and its branches that is seen on contrast material-enhanced computed tomographic (CT) scans, has been described in a variety of conditions in adults. The authors reviewed the appearance of periportal low attenuation on CT scans of 30 c...

journal_title：Radiology

authors： Siegel MJ,Herman TE

更新日期：1992-06-01 00:00:00

abstract：:Interstitial lymphangiography performed with intradermal injection of a new nonionic dimeric contrast agent was used to examine 34 normal lower extremities and 35 lower extremities with proved lymphedema. An infusion pump was used to inject 2 mL of the contrast agent into the intradermal interdigital space at a rate o...

journal_title：Radiology

authors： Weissleder H,Weissleder R

更新日期：1989-02-01 00:00:00

abstract：PURPOSE:To evaluate the effectiveness of positron emission tomography (PET) with carbon-11 choline in brain tumor imaging. MATERIALS AND METHODS:A rat glioma cell line (C6) was incubated with C-14 choline; the time course of uptake and metabolism was determined in vitro. C-11 choline was injected intravenously in tumo...

journal_title：Radiology

authors： Shinoura N,Nishijima M,Hara T,Haisa T,Yamamoto H,Fujii K,Mitsui I,Kosaka N,Kondo T,Hara T

更新日期：1997-02-01 00:00:00

abstract：PURPOSE:To detect regional metabolic differences in amyotrophic lateral sclerosis (ALS) with whole-brain echo-planar spectroscopic imaging. MATERIALS AND METHODS:Sixteen patients with ALS (nine men, seven women; mean age, 56.6 years), five persons suspected of having ALS (four men, one woman; mean age, 62.6 years), an...

journal_title：Radiology

authors： Verma G,Woo JH,Chawla S,Wang S,Sheriff S,Elman LB,McCluskey LF,Grossman M,Melhem ER,Maudsley AA,Poptani H

更新日期：2013-06-01 00:00:00

abstract：:Subtraction radiography permits the use of 7-10 times less contrast material than is required without subtraction techniques. The first-order, second-order, and composite mask techniques are described and evaluated. While the second-order technique gives more complete cancellation of common structures, the more common...

journal_title：Radiology

authors： Ort MG,Gregg EC,Kaufman B

更新日期：1977-07-01 00:00:00

abstract：:Thirty patients underwent 16-section multi-detector row computed tomographic (CT) angiography of the thorax with retrospective electrocardiographic gating. Institutional review board approval was obtained for retrospective analysis of CT scan data and records; patient informed consent was not required. Images reconstr...

journal_title：Radiology

authors： Hofmann LK,Zou KH,Costello P,Schoepf UJ

更新日期：2004-12-01 00:00:00

abstract：PURPOSE:To evaluate the potential of xenon ventilation computed tomography (CT) in the quantitative and visual analysis of chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS:This study was approved by the institutional review board. After informed consent was obtained, 32 patients with COPD underwent ...

journal_title：Radiology

authors： Park EA,Goo JM,Park SJ,Lee HJ,Lee CH,Park CM,Yoo CG,Kim JH

更新日期：2010-09-01 00:00:00

abstract：PURPOSE:To investigate the variability in head computed tomographic (CT) scanning in patients with hemorrhagic stroke in U.S. hospitals, its association with mortality, and the number of different physicians consulted. MATERIALS AND METHODS:The study was approved by the Committee for the Protection of Human Subjects a...

journal_title：Radiology

authors： Bekelis K,Fisher ES,Labropoulos N,Zhou W,Skinner J

更新日期：2015-04-01 00:00:00