Recurrent benign biliary strictures: management with self-expanding metallic stents.

abstract：:Inferior vena cava filters were placed in 60 patients. Ultrasound (US) of the venous access site was performed before and 3-5 days after filter placement to determine the prevalence of occlusive and nonocclusive access-site thrombosis (AST). Prevalence of symptoms attributable to AST was also evaluated at 1-month clin...

journal_title：Radiology

authors： Molgaard CP,Yucel EK,Geller SC,Knox TA,Waltman AC

更新日期：1992-10-01 00:00:00

abstract：PURPOSE:To investigate whether the pancreatic uncinate process is hypoplastic in patients with intestinal nonrotation, and to evaluate the association of hypoplasia or aplasia of the uncinate process with mesenteric vascular inversion. MATERIALS AND METHODS:Computed tomographic (CT) scans of the pancreas in five patie...

journal_title：Radiology

authors： Inoue Y,Nakamura H

更新日期：1997-11-01 00:00:00

abstract：:An innovative magnetic resonance imaging technique was applied to the measurement of blood flow in the abdominal aorta. The technique combines selective excitation and visualization from an orthogonal view. The distance that fluid has moved is directly visualized. The blood flow velocity at every 50 msec throughout th...

journal_title：Radiology

authors： Matsuda T,Shimizu K,Sakurai T,Fujita A,Ohara H,Okamura S,Hashimoto S,Tamaki S,Kawai C

更新日期：1987-03-01 00:00:00

abstract：:Three children with marrow-packing disorders demonstrated exaggerated anterior vertebral notches with poorly defined cortical margins. One child had thalassemia major, another had Gaucher disease, and a third had metastatic neuroblastoma. A discussion of each case and the etiology of the notches is presented. ...

journal_title：Radiology

authors： Mandell GA,Kricun ME

更新日期：1979-05-01 00:00:00

abstract：PURPOSE:To assess the usefulness of sonography performed by radiologists after a review of the sonographer's findings. MATERIALS AND METHODS:A total of 398 sonograms were obtained in 392 patients. Sonographers presented preliminary images and impressions to radiologists, who performed additional imaging and recorded t...

journal_title：Radiology

authors： Tessler FN,Tublin ME,Peters JC,Jie T,Peters TL

更新日期：1996-05-01 00:00:00

abstract：:Percutaneous transluminal angioplasty (PTA) was eventually successful in a patient with renal artery stenosis due to neurofibromatosis. Although the immediate postangioplasty appearance showed little improvement, the residual stenosis has completely resolved at 5 months. Delayed response to PTA has been previously doc...

journal_title：Radiology

authors： Gardiner GA Jr,Freedman AM,Shlansky-Goldberg R

更新日期：1988-10-01 00:00:00

abstract：:Innovations in design of a dedicated breast scanner resulted in automation of the scanning process, the production of high resolution images of the whole breast and an efficient mode of image review. The results of clinical evaluation of the prototype of this breast scanner investigating normal breasts as well as beni...

journal_title：Radiology

authors： Maturo VG,Zusmer NR,Gilson AJ,Smoak WM,Janowitz WR,Bear BE,Goddard J,Dick DE

更新日期：1980-11-01 00:00:00

abstract：:Background During the peak of the coronavirus disease 2019 (COVID-19) pandemic, the authors noted an increase in positive lower-extremity CT angiography examinations in patients who presented with leg ischemia. The goal of this study was to determine whether lower-extremity arterial thrombosis was associated with COVI...

journal_title：Radiology

authors： Goldman IA,Ye K,Scheinfeld MH

更新日期：2020-11-01 00:00:00

abstract：:Two cases of vertebral sarcoidosis in pediatric patients are presented. All such patients reported have been black, 13-15 years old, and have a history of back pain. Radiographs of the involved vertebrae show primarily lytic destruction with sclerotic borders in some of the lesions. Fungal infections, tuberculosis, py...

journal_title：Radiology

authors： Stump D,Spock A,Grossman H

更新日期：1976-10-01 00:00:00

abstract：PURPOSE:To test the hypothesis that magnetic resonance (MR) imaging R1 (R1 = 1/T1) mapping after selectively labeling monocytes with a T1-shortening contrast agent in vivo would enable the quantitative measurement of their spatiotemporal kinetics in the setting of infarct healing. MATERIALS AND METHODS:All procedures ...

journal_title：Radiology

authors： Naresh NK,Xu Y,Klibanov AL,Vandsburger MH,Meyer CH,Leor J,Kramer CM,French BA,Epstein FH

更新日期：2012-08-01 00:00:00

abstract：:To determine the clinical and mammographic features of recurrent breast cancer after tumorectomy and radiation therapy, the authors reviewed the clinical history and serial mammograms of 48 patients with suspected recurrence. Of patients with recurrent disease, seven had positive mammograms alone, nine had positive fi...

journal_title：Radiology

authors： Hassell PR,Olivotto IA,Mueller HA,Kingston GW,Basco VE

更新日期：1990-09-01 00:00:00

abstract：PURPOSE:To prospectively evaluate multiobserver diagnostic performance and reader agreement for colorectal polyp detection in a well-characterized cohort of patients with increased number of polyps, compared with an average-risk patient, with colonoscopy as the reference standard. MATERIALS AND METHODS:A cohort of 70 ...

journal_title：Radiology

authors： McFarland EG,Pilgram TK,Brink JA,McDermott RA,Santillan CV,Brady PW,Heiken JP,Balfe DM,Weinstock LB,Thyssen EP,Littenberg B

更新日期：2002-11-01 00:00:00

abstract：PURPOSE:To evaluate the efficacy of susceptibility-weighted (SW) magnetic resonance (MR) imaging for the assessment of the posttreatment change in oxygen saturation in the draining vein in patients with spinal arteriovenous malformation (AVM). MATERIALS AND METHODS:The study protocol was approved by the institutional ...

journal_title：Radiology

authors： Fujima N,Kudo K,Terae S,Hida K,Ishizaka K,Zaitsu Y,Asano T,Yoshida D,Tha KK,Haacke EM,Sasaki M,Shirato H

更新日期：2010-03-01 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：:While invasive imaging techniques, especially selective conventional coronary angiography, will remain vital to planning and guiding catheter-based and surgical treatment of significantly stenotic coronary lesions, the comprehensive and serial assessment of asymptomatic or minimally symptomatic stages of coronary arte...

journal_title：Radiology

authors： Schoenhagen P,Halliburton SS,Stillman AE,Kuzmiak SA,Nissen SE,Tuzcu EM,White RD

更新日期：2004-07-01 00:00:00

abstract：PURPOSE:To evaluate objectively the effects of a microbubble contrast agent on the color Doppler ultrasound (US) examination of breast lesions. MATERIALS AND METHODS:Forty-seven patients aged 23-71 years underwent color Doppler US before and after intravenous injection of a microbubble contrast agent. A 3-minute compu...

journal_title：Radiology

authors： Huber S,Helbich T,Kettenbach J,Dock W,Zuna I,Delorme S

更新日期：1998-08-01 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：:Breast cancer screening detected 139 biopsy-proved malignancies in 16,000 slef-selected women (8.7/1,000). In these, xeroradiography detected 78% (109), clinical examination 55% (76), and thermography 39% (54). In all 16,000 women, the thermogram was interpreted as positive in 17.9% (2,864). The greatest effectiveness...

journal_title：Radiology

authors： Feig SA,Shaber GS,Schwartz GF,Patchefsky A,Libshitz HI,Edeiken J,Nerlinger R,Curley RF,Wallace JD

更新日期：1977-01-01 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：:In 2017, the Thyroid Imaging Reporting and Data System (TI-RADS) Committee of the American College of Radiology (ACR) published a white paper that presented a new risk-stratification system for classifying thyroid nodules on the basis of their appearance at ultrasonography (US). In ACR TI-RADS, points in five feature ...

journal_title：Radiology

authors： Tessler FN,Middleton WD,Grant EG

更新日期：2018-04-01 00:00:00

abstract：PURPOSE:To develop and validate magnetic resonance (MR) imaging protocols for quantitative assessment of the structural and functional properties of the gastroesophageal junction (GEJ) and to compare MR imaging detection of reflux events against concurrent manometry as a reference method. MATERIALS AND METHODS:The loc...

journal_title：Radiology

authors： Curcic J,Fox M,Kaufman E,Forras-Kaufman Z,Hebbard GS,Roy S,Pal A,Schwizer W,Fried M,Treier R,Boesiger P

更新日期：2010-10-01 00:00:00

abstract：:Percutaneous transhepatic removal of common bile duct stones was performed 54 times in 50 patients with a success rate of 93%. In all patients, a modified Dormia basket was inserted through a percutaneous transhepatic catheter, and the stones or fragments were advanced into the duodenum. All patients had contraindicat...

journal_title：Radiology

authors： Stokes KR,Falchuk KR,Clouse ME

更新日期：1989-03-01 00:00:00

abstract：PURPOSE:To describe the magnetic resonance (MR) imaging findings of subcutaneous granuloma annulare (SGA), a rare mass of early childhood. MATERIALS AND METHODS:MR imaging studies and clinical records in six children aged 2 1/2-4 years in whom SGA was diagnosed between 1993 and 1997 were retrospectively reviewed. All ...

journal_title：Radiology

authors： Chung S,Frush DP,Prose NS,Shea CR,Laor T,Bisset GS

更新日期：1999-03-01 00:00:00

abstract：PURPOSE:To compare the occurrence of several central sulcus variants and to assess the reproducibility of a sulcal pattern named the power button sign (PBS) in patients with type 2 focal cortical dysplasia (FCD2) and healthy control subjects. MATERIALS AND METHODS:The local institutional review board approved the stud...

journal_title：Radiology

authors： Mellerio C,Roca P,Chassoux F,Danière F,Cachia A,Lion S,Naggara O,Devaux B,Meder JF,Oppenheim C

更新日期：2015-02-01 00:00:00

abstract：PURPOSE:To determine if volumetric changes of diffusion-weighted and contrast material-enhanced magnetic resonance (MR) imaging can help assess early tumor response to intraarterial therapy (IAT) in neuroendocrine liver metastasis (NELM). MATERIALS AND METHODS:This retrospective single-center comprehensive imaging ana...

journal_title：Radiology

authors： Gowdra Halappa V,Corona-Villalobos CP,Bonekamp S,Li Z,Reyes D,Cosgrove D,Pawlik TM,Diaz LA,Bhagat N,Eng J,Geschwind JF,Kamel IR

更新日期：2013-02-01 00:00:00

abstract：:The radiographic changes of 46 bone-ingrowth, porous-coated anatomic total hip prostheses were reviewed and compared to the clinical outcome. The average postoperative follow-up was 32 months. The radiographic features that were assessed included subsidence; periprosthetic lucencies; periosteal, endosteal, and heterot...

journal_title：Radiology

authors： Kattapuram SV,Lodwick GS,Chandler H,Khurana JS,Ehara S,Rosenthal DI

更新日期：1990-03-01 00:00:00

abstract：:The purpose of this study was to demonstrate the feasibility of computing three-dimensional relaxation maps of spin-lattice relaxation time in the rotating frame (T1rho) from in vivo magnetic resonance (MR) images of the human patellofemoral joint. T1rho was measured by applying a three-dimensional gradient-echo pulse...

journal_title：Radiology

authors： Regatte RR,Akella SV,Borthakur A,Kneeland JB,Reddy R

更新日期：2003-10-01 00:00:00

abstract：:The authors reviewed 76 magnetic resonance (MR) images of 38 patients with osteosarcoma treated with preoperative chemotherapy (intraarterial cisplatin with or without systemic chemotherapy). Histologic maps of the surgical tumor specimens in 33 cases were correlated with either late-chemotherapy or postchemotherapy M...

journal_title：Radiology

authors： Pan G,Raymond AK,Carrasco CH,Wallace S,Kim EE,Shirkhoda A,Jaffe N,Murray JA,Benjamin RS

更新日期：1990-02-01 00:00:00

abstract：:Vaginal agenesis was studied by magnetic resonance (MR) imaging lin a 15-year-old girl, a 19-year-old woman, and a 21-year-old woman. In each case MR studies demonstrated the presence or absence of a normal cervix and functioning endometrium. This information was useful in planning surgical management. MR imaging assi...

journal_title：Radiology

authors： Togashi K,Nishimura K,Itoh K,Fujisawa I,Nakano Y,Torizuka K,Ozasa H,Ohshima M

更新日期：1987-03-01 00:00:00

abstract：:Balloon dilation is a well-described, nonoperative, alternative treatment for postoperative strictures of the colon and rectum. This procedure may not be technically feasible when an occluded lumen prevents passage of a guide wire across the obstruction. The authors describe the use of transrectal ultrasound guidance ...

journal_title：Radiology

authors： Eschelman DJ,Alexander AA,Goldstein SD,Shapiro MJ

更新日期：1993-11-01 00:00:00