Improved prognosis of women aged 75 and older with mammography-detected breast cancer.

abstract：:Six opossums were evaluated as a possible animal model of radiation esophagitis. In a single exposure to the esophagus, four animals received 60Co radiation of various doses; two served as controls. Pre- and postirradiation evaluations using fiberoptic endoscopy, mucosal biopsy, barium esophagography, and manometry we...

journal_title：Radiology

authors： Northway MG,Libshitz HI,West JJ,Withers HR,Mukhopadhyay AK,Osborne BM,Szwarc IA,Dodd GD

更新日期：1979-06-01 00:00:00

abstract：:Percutaneous tunable dye laser lithotripsy was used in two patients to successfully fragment a 2-cm left hepatic duct calculus and a 5-mm main pancreatic duct calculus. Tunable dye laser lithotripsy may prove to be a more effective alternative to mechanical lithotripsy. ...

journal_title：Radiology

authors： Feldman RK,Freeny PC,Kozarek RA

更新日期：1990-03-01 00:00:00

abstract：PURPOSE:To assess dual-detector spiral CT arthrography in the evaluation of the entire knee cartilage obtained from cadavers. MATERIALS AND METHODS:Two independent observers characterized articular cartilage in 12 cadaver knees in which MR imaging and dual-detector spiral CT arthrography were performed and compared th...

journal_title：Radiology

authors： Vande Berg BC,Lecouvet FE,Poilvache P,Jamart J,Materne R,Lengele B,Maldague B,Malghem J

更新日期：2002-02-01 00:00:00

abstract：:Choroid plexus (CP) cysts have been associated with trisomy 18, although most fetuses with CP cysts are normal. Since many fetuses with trisomy 18 have other sonographic abnormalities, the necessity of obtaining a karyotype for all fetuses with isolated CP cysts remains controversial. The authors prospectively studied...

journal_title：Radiology

authors： Nadel AS,Bromley BS,Frigoletto FD Jr,Estroff JA,Benacerraf BR

更新日期：1992-11-01 00:00:00

abstract：PURPOSE:To determine the ability to use computed tomography (CT) to predict invasion of adjacent nerves or vessels by oral cavity tumors. MATERIALS AND METHODS:Contrast material-enhanced CT scans and histopathologic reports were retrospectively reviewed in 48 patients (36 men, 12 women) aged 38-75 years who underwent ...

journal_title：Radiology

authors： Mukherji SK,Weeks SM,Castillo M,Yankaskas BC,Krishnan LA,Schiro S

更新日期：1996-01-01 00:00:00

abstract：:Magnetic resonance imaging (MRI) of an angiographically confirmed pulmonary embolus was performed. The thrombus appeared as an intense intraluminal signal within the left descending pulmonary artery; this signal was absent on repeat examination after clot lysis. Because MR will not image flowing blood, it provides a p...

journal_title：Radiology

authors： Moore EH,Gamsu G,Webb WR,Stulbarg MS

更新日期：1984-11-01 00:00:00

abstract：PURPOSE:To retrospectively compare the kinetic and morphologic characteristics of pure ductal carcinoma in situ (DCIS) lesions depicted on dynamic contrast material-enhanced magnetic resonance (MR) images with the nuclear grade and conventional mammographic appearance of these lesions. MATERIALS AND METHODS:This HIPAA...

journal_title：Radiology

authors： Jansen SA,Newstead GM,Abe H,Shimauchi A,Schmidt RA,Karczmar GS

更新日期：2007-12-01 00:00:00

abstract：:The CT scanner makes three-dimensional anatomical information available for treatment planning, the calculational algorithm being the limiting factor in dose calculations. A method has been developed, called the "effective tissue-air ratio method," that uses all the information but reduces it to manageable proportions...

journal_title：Radiology

authors： Sontag MR,Cunningham JR

更新日期：1978-12-01 00:00:00

abstract：:We report success with CT guided percutaneous catheter drainage of deep neck abscesses. The cost efficacy and decreased morbidity of percutaneous catheter drainage has been proved in abdominal and retroperitoneal abscess management, and CT for diagnosis of deep neck infections is well established. The logical applicat...

journal_title：Radiology

authors： Cole DR,Bankoff M,Carter BL

更新日期：1984-07-01 00:00:00

abstract：:Transrectal catheter drainage was performed under radiologic guidance in eight patients with deep pelvic abscesses during a 7-month period. One patient underwent two procedures. In five patients, the abscess could not be palpated at rectal examination. Seven procedures were performed with fluoroscopic guidance. Transr...

journal_title：Radiology

authors： Bennett JD,Kozak RI,Taylor BM,Jory TA

更新日期：1992-12-01 00:00:00

abstract：:In diagnostic radiology, the routine measurement of exposure levels for a reference patient is an important part of an effective quality assurance program. In the United States, chest radiography is the most frequent examination and has the lowest exposure level of all radiologic examinations. We estimated the amount ...

journal_title：Radiology

authors： Butler PF,Conway BJ,Suleiman OH,Koustenis GH,Showalter CK

更新日期：1985-08-01 00:00:00

abstract：:A 6-year follow-up study of height and weight was conducted between 1975 and 1983 in a total of 149 sibling pairs of the same sex, one of whom had been exposed to diagnostic ultrasound in utero. The data were analyzed for the entire sample group, as well as for subgroups defined by sex, gestational age at delivery, bi...

journal_title：Radiology

authors： Lyons EA,Dyke C,Toms M,Cheang M

更新日期：1988-03-01 00:00:00

abstract：:Over a period of 60 months, percutaneous nonendoscopic gastrostomy for enteral feeding was successfully performed with the Seldinger technique in 250 of 252 consecutive patients. Local anesthetics alone (without intravenous sedatives) were used in 248 patients (98%). The 30-day mortality was 14.2% and included two pro...

journal_title：Radiology

authors： Halkier BK,Ho CS,Yee AC

更新日期：1989-05-01 00:00:00

abstract：PURPOSE:To prospectively assess aortic dimensions, aortic elasticity, aortic valve competence, and left ventricular (LV) systolic function in patients after the arterial switch operation (ASO) by using magnetic resonance (MR) imaging. MATERIALS AND METHODS:Informed consent was obtained from all participants for this l...

journal_title：Radiology

authors： Grotenhuis HB,Ottenkamp J,Fontein D,Vliegen HW,Westenberg JJ,Kroft LJ,de Roos A

更新日期：2008-12-01 00:00:00

abstract：:Multiphasic examinations of 153 gastric abnormalities observed radiologically and endoscopically were reviewed to determine the efficacy of four radiologic techniques and of several common combinations of these techniques for examining the stomach. There were 68 gastric ulcers, 12 ulcer scars, 44 cases of gastritis in...

journal_title：Radiology

authors： Gelfand DW,Chen YM,Ott DJ

更新日期：1987-03-01 00:00:00

abstract：:Percutaneous biopsies of mediastinal tumors were successfully performed under sonographic guidance in 14 of 21 patients. In 10 of 11 malignant lesions, malignancy was determined by means of cytologic and histologic examination of the specimens obtained. A histologic diagnosis was reached in seven patients with maligna...

journal_title：Radiology

authors： Wernecke K,Vassallo P,Peters PE,von Bassewitz DB

更新日期：1989-08-01 00:00:00

abstract：:Although magnetic resonance (MR) imaging has been used to evaluate many musculoskeletal lesions, the MR appearance of pigmented villonodular synovitis (PVNS) has not been described in detail. The authors describe two cases of PVNS in the knee imaged with both computed tomography and MR. In both cases parts of each les...

journal_title：Radiology

authors： Kottal RA,Vogler JB 3rd,Matamoros A,Alexander AH,Cookson JL

更新日期：1987-05-01 00:00:00

abstract：:The authors reviewed 100 randomized controlled trials (RCTs) conducted in humans to compare safety or efficacy of new low-osmolality contrast media (LOM) with that of high-osmolality contrast media (HOM). Findings of the 43 RCTs judged to be of the highest quality suggest that the efficacy of LOM in imaging is equal o...

journal_title：Radiology

authors： Kinnison ML,Powe NR,Steinberg EP

更新日期：1989-02-01 00:00:00

abstract：:Successful opacification and distention of the inferior vena cava was obtained simultaneously with computed tomography by contrast infusion through a lower-extremity vein. Images obtained by this method displayed retroperitoneal anatomical relationships to better advantage, permitting more accurate interpretation of t...

journal_title：Radiology

authors： Pillari G

更新日期：1979-03-01 00:00:00

abstract：:Sixteen patients with peripheral cholangiocarcinoma of the liver were examined with computed tomography (CT). None of the 16 patients presented with jaundice or had documented cirrhosis. On scans obtained both before and after the injection of contrast material, the tumors were depicted as low-attenuation masses in al...

journal_title：Radiology

authors： Choi BI,Park JH,Kim YI,Yu ES,Kim SH,Kim WH,Kim CY,Han MC

更新日期：1988-10-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the sensitivity and specificity of 64-detector computed tomography (CT) in the portal venous phase by using transverse images and both multiplanar and minimum intensity reformations for the detection of biliary duct narrowing and choledocholithiasis, with magnetic resonance cholangio...

journal_title：Radiology

authors： Anderson SW,Rho E,Soto JA

更新日期：2008-05-01 00:00:00

abstract：PURPOSE:To evaluate the variability of true-positive and false-positive cues by using a commercially available computer-aided detection (CAD) system for analysis of 50 malignancies in a screening population. MATERIALS AND METHODS:Fifty breast cancers detected at screening were analyzed by using a commercially availabl...

journal_title：Radiology

authors： Baker JA,Lo JY,Delong DM,Floyd CE

更新日期：2004-11-01 00:00:00

abstract：:Radiographs of 38 children with Down syndrome (aged 2-3 years) were retrospectively evaluated for hypoplasia of the posterior arch of the C-1 vertebra. The anteroposterior dimensions of the posterior arch of C-1 were measured and compared with those of an age- and sex-matched control group. The posterior arches of C-2...

journal_title：Radiology

authors： Martich V,Ben-Ami T,Yousefzadeh DK,Roizen NJ

更新日期：1992-04-01 00:00:00

abstract：:During the past century, imaging of the pregnant patient has been performed with radiography, scintigraphy, computed tomography, magnetic resonance imaging, and ultrasonography (US). US imaging has emerged as the primary imaging modality, because it provides real-time images at relatively low cost without the use of i...

journal_title：Radiology

authors： Benson CB,Doubilet PM

更新日期：2014-11-01 00:00:00

abstract：:A computer based verification system which monitors the operation of a 4-MV linear accelerator is described. Fourteen parameters can be checked for proper alignment prior to irradiation. A training simulator was also built to minimize interference with treatment schedules and to provide technicians with experience in ...

journal_title：Radiology

authors： Sternick ES,Berry JR,Curran B,Loomis SA

更新日期：1979-04-01 00:00:00

abstract：:Endoleaks were detected with helical computed tomographic (CT) angiography in five patients after placement of an aortobiliac stent-graft. The leaks were subsequently evaluated with duplex ultrasonography (US) and, in four patients, with conventional aortography as well. CT angiography revealed a total of seven endole...

journal_title：Radiology

authors： Greenfield AL,Halpern EJ,Bonn J,Wechsler RJ,Kahn MB

更新日期：2002-12-01 00:00:00

abstract：:Purpose To develop and validate a deep learning algorithm that predicts the final diagnosis of Alzheimer disease (AD), mild cognitive impairment, or neither at fluorine 18 (18F) fluorodeoxyglucose (FDG) PET of the brain and compare its performance to that of radiologic readers. Materials and Methods Prospective 18F-FD...

journal_title：Radiology

authors： Ding Y,Sohn JH,Kawczynski MG,Trivedi H,Harnish R,Jenkins NW,Lituiev D,Copeland TP,Aboian MS,Mari Aparici C,Behr SC,Flavell RR,Huang SY,Zalocusky KA,Nardo L,Seo Y,Hawkins RA,Hernandez Pampaloni M,Hadley D,Franc BL

更新日期：2019-02-01 00:00:00

abstract：:To analyze the effectiveness and accuracy of the diagnostic process from screening mammography to final diagnosis at pathologic examination, the authors conducted a prospective study of 277 consecutive patients who underwent 291 mammographically directed biopsies of nonpalpable lesions. Of the 170 lesions that demonst...

journal_title：Radiology

authors： Stein MA,Karlan MS

更新日期：1991-04-01 00:00:00

abstract：PURPOSE:To evaluate involvement of the lower uterine segment (LUS) in adenocarcinoma of the endometrium and to identify patterns of treatment failure. MATERIALS AND METHODS:Two hundred four patients, aged 29-92 years, with endometrial carcinoma underwent surgery. Postoperative radiation therapy was administered for ad...

journal_title：Radiology

authors： Mayr NA,Wen BC,Benda JA,Sorosky JI,Davis CS,Fuller RW,Hussey DH

更新日期：1995-08-01 00:00:00

abstract：:As with other musculoskeletal joints, elbow ultrasonography (US) depends on the examination technique. Deep knowledge of the relevant anatomy, such as the bone surface anatomy, tendon orientation, nerves, and vessels, is crucial for diagnosis. It is important to be aware of the primary imaging pitfalls related to US t...

journal_title：Radiology

authors： Tagliafico AS,Bignotti B,Martinoli C

更新日期：2015-06-01 00:00:00