Noninvasive breast cancer.

abstract：PURPOSE:To clarify the angiographic findings of the posterior circulation in patients with moyamoya disease. MATERIALS AND METHODS:Seventy-six patients with idiopathic moyamoya disease were studied with conventional angiography. The angiographic findings were reviewed for steno-occlusive lesions, collateral vessels, a...

journal_title：Radiology

authors： Yamada I,Himeno Y,Suzuki S,Matsushima Y

更新日期：1995-10-01 00:00:00

abstract：PURPOSE:To evaluate the effect of the introduction of digital mammography on the recall rate, detection rate, false-positive rate, and rates of invasive procedures in a cohort of women from four population-based breast cancer screening programs in Spain. MATERIALS AND METHODS:The study was approved by the ethics commi...

journal_title：Radiology

authors： Sala M,Salas D,Belvis F,Sánchez M,Ferrer J,Ibañez J,Román R,Ferrer F,Vega A,Laso MS,Castells X

更新日期：2011-02-01 00:00:00

abstract：PURPOSE:To assess whether ultrasonography (US)-based real-time elastography (RTE) can be used to detect gut fibrosis. MATERIALS AND METHODS:In this institutional review board-approved, prospective, proof-of-concept study, unaffected and affected gut segments in 10 patients with Crohn disease (four women, six men; medi...

journal_title：Radiology

authors： Baumgart DC,Müller HP,Grittner U,Metzke D,Fischer A,Guckelberger O,Pascher A,Sack I,Vieth M,Rudolph B

更新日期：2015-06-01 00:00:00

abstract：:Digital subtraction angiography (DSA) using a 41-cm (16-in.) image intensifier was performed in 144 patients with peripheral vascular insufficiency. In most cases the entire peripheral vascular bed from the renal arteries to the popliteal trifurcation was demonstrated with four intravenous injections and four exposed ...

journal_title：Radiology

authors： Passariello R,Rossi P,Simonetti G,Tempesta P,Pavone P,Castrucci M,McBride K

更新日期：1983-12-01 00:00:00

abstract：PURPOSE:To determine whether magnetic resonance (MR) imaging quantification of cervical spinal cord damage improves the prediction of motor recovery after spinal cord injury. MATERIALS AND METHODS:The extent of cervical spinal cord injury was measured on MR images obtained in 104 patients (aged 17-70 years) within 72 ...

journal_title：Radiology

authors： Flanders AE,Spettell CM,Tartaglino LM,Friedman DP,Herbison GJ

更新日期：1996-12-01 00:00:00

abstract：:An extremely rare occurrence of third-degree burns was induced in the medial calves of a male patient with unusual anatomy (after resection and radiation therapy of a liposarcoma) during conventional magnetic resonance (MR) imaging on a clinical 1.5-T MR system that operated without any external conductor present and ...

journal_title：Radiology

authors： Knopp MV,Essig M,Debus J,Zabel HJ,van Kaick G

更新日期：1996-08-01 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：:The records of 22 patients in whom wall thickening of the renal collecting system was seen at ultrasound (US) were retrospectively reviewed. Wall thickening was found in 15 patients with renal transplants and seven with native kidneys. Severe thickening occurred with transplant rejection, but thickening also occurred ...

journal_title：Radiology

authors： Nicolet V,Carignan L,Dubuc G,Hébert G,Bourdon F,Paquin F

更新日期：1988-08-01 00:00:00

abstract：:Background Water signal contamination is a major challenge for direct ultrashort echo time (UTE) imaging of myelin in vivo because water contributes most of the signals detected in white matter. Purpose To validate a new short repetition time (TR) adiabatic inversion recovery (STAIR) prepared UTE (STAIR-UTE) sequence ...

journal_title：Radiology

authors： Ma YJ,Jang H,Wei Z,Cai Z,Xue Y,Lee RR,Chang EY,Bydder GM,Corey-Bloom J,Du J

更新日期：2020-11-01 00:00:00

abstract：:Purpose To compare adverse events and survival outcomes, including cancer-specific survival and overall survival (OS), in patients with T1aN0M0 renal cell carcinoma (RCC) who are undergoing partial nephrectomy (PN), radical nephrectomy (RN), thermal ablation (TA), or active surveillance (AS). Materials and Methods Thr...

journal_title：Radiology

authors： Xing M,Kokabi N,Zhang D,Ludwig JM,Kim HS

更新日期：2018-07-01 00:00:00

abstract：PURPOSE:To measure scanner and patient variation in computed tomographic (CT) numbers for electron-beam CT and to determine the ability of calibration phantoms to reduce variability in calcium quantitation. MATERIALS AND METHODS:Two calibration phantoms were imaged to ensure longitudinal homogeneity and to determine t...

journal_title：Radiology

authors： McCollough CH,Kaufmann RB,Cameron BM,Katz DJ,Sheedy PF 2nd,Peyser PA

更新日期：1995-07-01 00:00:00

abstract：:Shoulder arthrography is a reliable technique for use in the diagnosis of tears of the rotator cuff, although delineation of the precise site and size of tears requires meticulous double-contrast technique and considerable examiner expertise. The authors initiated a prospective evaluation of digital arthrography of th...

journal_title：Radiology

authors： Stiles RG,Resnick D,Sartoris DJ,Andre MP

更新日期：1988-09-01 00:00:00

abstract：PURPOSE:To examine trabecular microarchitecture with high-resolution flat-panel volume computed tomography (CT) and bone mineral density (BMD) with dual-energy x-ray absorptiometry (DXA) in adolescent girls with anorexia nervosa (AN) and to compare these results with those in normal-weight control subjects. MATERIALS ...

journal_title：Radiology

authors： Bredella MA,Misra M,Miller KK,Madisch I,Sarwar A,Cheung A,Klibanski A,Gupta R

更新日期：2008-12-01 00:00:00

abstract：:Enemas of various solutions were administered to rats to determine if Gastrografin was specifically irritating to the colonic mucosa. Gastrografin was found to cause considerably more inflammation than Hypaque-25, or barium sulfate. Further studies with hypertonic sorbitol, Renografin-76, and Tween 80 suggested that (...

journal_title：Radiology

authors： Lutzger LG,Factor SM

更新日期：1976-03-01 00:00:00

abstract：PURPOSE:To identify current patterns and trends of computed tomographic (CT) screening, including geographic data, services provided, facility type, and demographic characteristics. MATERIALS AND METHODS:In March 2003, self-referred body imaging (SRBI) centers were identified by using the Internet. Data involving geog...

journal_title：Radiology

authors： Kalish GM,Bhargavan M,Sunshine JH,Forman HP

更新日期：2004-11-01 00:00:00

abstract：:Eccentric muscular actions involve the forced lengthening or stretching of muscles and tend to produce exertional injuries. This study used magnetic resonance (MR) imaging to serially evaluate muscles in five healthy, untrained subjects who performed exhaustive biceps exercise by doing isolated eccentric and concentri...

journal_title：Radiology

authors： Shellock FG,Fukunaga T,Mink JH,Edgerton VR

更新日期：1991-06-01 00:00:00

abstract：:In a series of 30 patients, barium enema examination of the colon was performed via a remote controlled air and contrast media inflator. With this apparatus, introduction and elimination of air and barium into the colon can be accomplished at a freely adjustable rate of injection by remote control. Fluoroscopy time is...

journal_title：Radiology

authors： Hisamichi S,Masuda Y,Shirane A,Sugawara N,Gomi T,Oshiba S

更新日期：1977-11-01 00:00:00

abstract：:Cardiac patients who have undergone 99mTc-stannous pyrophosphate (99mTc-PYP) myocardial imaging can be injected 24 hours later with 99mTc-pertechnetate (99mTc04) to assess left ventricular function. Reduction of 99mTc04 by tin remaining in the blood following the stannous pyrophosphate injection causes labeling of the...

journal_title：Radiology

authors： Stokely EM,Parkey RW,Bonte FJ,Graham KD,Stone MJ,Willerson JT

更新日期：1976-08-01 00:00:00

abstract：PURPOSE:To determine the computed tomographic (CT) detector configuration, patient size, and image noise limitations that will result in acceptable image quality of 80-kV images obtained at abdominal dual-energy CT. MATERIALS AND METHODS:The Institutional Review Board approved this HIPAA-compliant retrospective study ...

journal_title：Radiology

authors： Guimarães LS,Fletcher JG,Harmsen WS,Yu L,Siddiki H,Melton Z,Huprich JE,Hough D,Hartman R,McCollough CH

更新日期：2010-12-01 00:00:00

abstract：:In a retrospective study of proved pseudoaneurysms (PAs) in 15 patients with transplanted organs (11 liver, three kidney, one pancreas), the results of computed tomography (CT), duplex sonography, and angiography were reviewed. Of the 15 cases of PA, eight occurred at the arterial anastomosis and seven were nonanastom...

journal_title：Radiology

authors： Tobben PJ,Zajko AB,Sumkin JH,Bowen A,Fuhrman CR,Skolnick ML,Bron KM,Esquivel CO,Starzl TE

更新日期：1988-10-01 00:00:00

abstract：:Preliminary work has shown that normal lungs have predictable CT patterns and density ranges. In emphysema, there are irregular zones of extremely low density as well as an overall low mean density. CT appears to have considerable potential for early detection of pulmonary emphysema and characterization of the degree ...

journal_title：Radiology

authors： Rosenblum LJ,Mauceri RA,Wellenstein DE,Bassano DA,Cohen WN,Heitzman ER

更新日期：1978-11-01 00:00:00

abstract：:A simple technique used to catheterize boys for voiding cystourethrography, using a feeding catheter while the urethra is distended by a saline solution is described. ...

journal_title：Radiology

authors： Lorenzo RL,Bradford BF

更新日期：1980-05-01 00:00:00

abstract：:Least-squares regression analysis was computerized to provide functional color images of myocardial perfusion patterns. In 8 of the 9 patients studied, changes in pattern indicated that the revascularization procedure speeded the appearance time and/or net rate of 43K uptake. The functional images correlated well with...

journal_title：Radiology

authors： Smith RO,Bennett KR,Suzuki A,Lehan PH,Hellems HK

更新日期：1975-01-01 00:00:00

abstract：PURPOSE:To prospectively investigate the clinical efficacy of using diffuse optical tomography (DOT) and ultrasonographic (US) localization with conventional US to differentiate malignant solid breast lesions from those that are benign. MATERIALS AND METHODS:The study was approved by the institutional review board and...

journal_title：Radiology

authors： Zhi W,Gu X,Qin J,Yin P,Sheng X,Gao SP,Li Q

更新日期：2012-11-01 00:00:00

abstract：:Lumbar spinal fusion is a commonly performed procedure, and, despite changes in cage types and fixation hardware, radiologists have, over the years, become familiar with the imaging features of typical spinal fusion and many of the complications seen in patients after surgery, including pseudoarthrosis, hardware loose...

journal_title：Radiology

authors： Murtagh RD,Quencer RM,Castellvi AE,Yue JJ

更新日期：2011-08-01 00:00:00

abstract：:The abdominal computed tomographic (CT) scans from 61 patients with biopsy-proved Helicobacter (formerly Campylobacter) pylori gastritis were retrospectively reviewed. The CT scans were interpreted on the basis of the original report of the findings at CT examination and without knowledge of the results of biopsy. Of ...

journal_title：Radiology

authors： Urban BA,Fishman EK,Hruban RH

更新日期：1991-06-01 00:00:00

abstract：:To assess the relationship of coronary artery calcification to angiographically detectable disease, the authors evaluated 100 patients less than 60 years of age who underwent clinically indicated coronary angiography and ultrafast computed tomography (CT). The ultrafast CT technique consisted of 3-mm-thick contiguous ...

journal_title：Radiology

authors： Breen JF,Sheedy PF 2nd,Schwartz RS,Stanson AW,Kaufmann RB,Moll PP,Rumberger JA

更新日期：1992-11-01 00:00:00

abstract：:Vascular anomalies of the umbilical cord and fetus were evaluated with ultrasound in 11 fetuses. The anomalies included true knot of the cord (n = 1), umbilical vein varix (n = 1), persistent right umbilical vein (n = 1), and unilateral hypertrophy of the iliac artery in cases of a single umbilical artery (n = 8). One...

journal_title：Radiology

authors： Jeanty P

更新日期：1989-11-01 00:00:00

abstract：:Positive-mode xeroradiography is an excellent method of visualizing soft-tissue structures in mammography and other procedures; however, toner deletions over a large area may preclude adequate delineation of the soft tissues near high-density structures such as bone. Use of the negative mode in the development cycle p...

journal_title：Radiology

authors： Osterman FA Jr,Zeman GH,Rao GU,Gayler B,Kirk BG,James AE Jr

更新日期：1977-09-01 00:00:00

abstract：:The T1 and T2 relaxation times of primary tumors of the musculoskeletal system were calculated in 54 patients. No correlation was found between the relaxation values and the histopathologic type of the tumors. Lipoma had the same relaxation characteristics as normal fat. Otherwise tumors could be differentiated from n...

journal_title：Radiology

authors： Pettersson H,Slone RM,Spanier S,Gillespy T 3rd,Fitzsimmons JR,Scott KN

更新日期：1988-06-01 00:00:00