Ultrasonography of small hepatic tumors using high-resolution linear-array real-time instruments.

abstract：:A simple device is described that can reduce personnel exposure from scatter radiation by up to 75%. The device consists of an oblong piece of shielding (0.75-mm lead equivalent) that is taped to the side of the patient during percutaneous renal stone removal and other interventional procedures. Contrary to other shie...

journal_title：Radiology

authors： Young AT,Morin RL,Hunter DW,Nelson KL,Cardella JF,Castaneda-Zuniga WR,Amplatz K

更新日期：1986-06-01 00:00:00

abstract：PURPOSE:To prospectively investigate the relative accuracy and reproducibility of manual and automated computer software measurements by using polyps of known size in a human colectomy specimen. MATERIALS AND METHODS:Institutional review board approval was obtained for the study; written consent for use of the surgica...

journal_title：Radiology

authors： Taylor SA,Slater A,Halligan S,Honeyfield L,Roddie ME,Demeshski J,Amin H,Burling D

更新日期：2007-01-01 00:00:00

abstract：PURPOSE:To evaluate the reliability of ultrasonographic (US) elastography of the supraspinatus (SSP) muscle, define normal shear-wave velocity (SWV) values, and correlate findings with tendon integrity and muscle quality. MATERIALS AND METHODS:The study was approved by the local ethics committee, and written informed ...

journal_title：Radiology

authors： Rosskopf AB,Ehrmann C,Buck FM,Gerber C,Flück M,Pfirrmann CW

更新日期：2016-02-01 00:00:00

abstract：:The radiologic studies of 107 patients with pulsatile tinnitus or a vascular retrotympanic mass were retrospectively reviewed. Of the 100 patients with pulsatile tinnitus, 25 had objective tinnitus. A vascular tympanic membrane was present in 37 cases (35%). Normal vascular variants were present in 23 patients (21%). ...

journal_title：Radiology

authors： Remley KB,Coit WE,Harnsberger HR,Smoker WR,Jacobs JM,McIff EB

更新日期：1990-02-01 00:00:00

abstract：PURPOSE:To determine the effects of calculus size, composition, and technique (kilovolt and milliampere settings) on the conspicuity of renal calculi at unenhanced helical computed tomography (CT). MATERIALS AND METHODS:The authors performed unenhanced CT of a phantom containing 188 renal calculi of varying size and c...

journal_title：Radiology

authors： Tublin ME,Murphy ME,Delong DM,Tessler FN,Kliewer MA

更新日期：2002-10-01 00:00:00

abstract：:The echocardiograms of 17 patients with proved infective endocarditis were surveyed to assess the reliability of echocardiography in this disease. Vegetations were present on 20 valves (11 aortic, 7 mitral, 2 tricuspid) at surgery or autopsy. Echocardiography correctly identified the abnormality in 11 valves. There we...

journal_title：Radiology

authors： Thomson KR,Nanda NC,Gramiak R

更新日期：1977-11-01 00:00:00

abstract：:Computed tomography (CT) of the spine after intravenous contrast enhancement has been used in 4 patients with arteriovenous malformation (AVM) of the spinal cord. The enlarged, contrast-filled vessels constituting the malformation are visualized on CT scans. There was good correspondence between CT and selective angio...

journal_title：Radiology

authors： Di Chiro G,Doppman JL,Wener L

更新日期：1977-05-01 00:00:00

abstract：:One hundred patients whose standard endoscopic retrograde cholangiographic studies gave poor visualization of the biliary tract were investigated using a balloon catheter introduced into the common bile duct by duodenoscopy to block contrast material leakage. Full diagnostic visualization was obtained in 90 patients, ...

journal_title：Radiology

authors： Yoshimoto H,Ikeda S,Tanaka M,Matsumoto S,Nakayama F

更新日期：1986-04-01 00:00:00

abstract：:Eighteen patients with cervical radiculopathy were entered into a prospective study to compare the accuracy of surface coil magnetic resonance (MR) imaging with that of metrizamide myelography and computed tomography (CT) with metrizamide. All MR studies included tailored axial and oblique images as well as routine sa...

journal_title：Radiology

authors： Modic MT,Masaryk TJ,Ross JS,Mulopulos GP,Bundschuh CV,Bohlman H

更新日期：1987-04-01 00:00:00

abstract：PURPOSE:To test a neural network in differentiation of benign from malignant solitary pulmonary nodules. MATERIALS AND METHODS:Neural networks were trained and tested on the characteristics of 318 nodules. Predictive accuracy of the network was judged for calibration and discrimination. Network results were compared w...

journal_title：Radiology

authors： Gurney JW,Swensen SJ

更新日期：1995-09-01 00:00:00

abstract：:Jugular venous reflux was observed in six routine cerebral radionuclide angiograms. Repeat studies during a Valsalva maneuver failed to reproduce the reflux. In one case the reflux appeared to be related to the arm position; but in the other five cases, the cause remains unknown. Such reflux may be mistaken for superi...

journal_title：Radiology

authors： Yeh EL,Pohlman GP,Ruetz PP,Meade RC

更新日期：1976-03-01 00:00:00

abstract：:Purpose To retrospectively evaluate the clinical outcomes of radiofrequency ablation (RFA) for early hypovascular hepatocellular carcinomas (HCCs) and to compare them with those of typical hypervascular HCCs. Materials and Methods This retrospective multicenter study received institutional review board approval, with ...

journal_title：Radiology

authors： Lee DH,Lee JM,Kang TW,Rhim H,Kim SY,Shin YM,Seo JW,Choi MH,Lee KB

更新日期：2018-01-01 00:00:00

abstract：PURPOSE:To develop an ultrasound (US) extended-field-of-view scanning technique that combines the convenience of a real-time scanner with the spatial advantages of a static B-mode scanner and provides a panoramic image in real time without position sensors or cumbersome articulated arms. MATERIALS AND METHODS:An image...

journal_title：Radiology

authors： Weng L,Tirumalai AP,Lowery CM,Nock LF,Gustafson DE,Von Behren PL,Kim JH

更新日期：1997-06-01 00:00:00

abstract：:Perfusion lung scans are occasionally characterized by focal zones of apparent hyperperfusion ("hot spots"). To investigate the frequency and significance of this phenomenon, ventilation-perfusion lung scans and pulmonary arteriograms were reviewed in 72 patients who underwent both procedures for the evaluation of sus...

journal_title：Radiology

authors： Meignan M,Palmer EL,Waltman AC,Strauss HW

更新日期：1989-10-01 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：:Radiographs and CT images taken during oral cholecystography in dogs were interpreted in an independent, blind fashion by three radiologists on two occasions and visual assessment of gallbladder density compared to the actual CT values. While there was significant intra- and inter-observer variation, the mean scores f...

journal_title：Radiology

authors： Fon GT,Hunter TB,Berk RN,Patton DD,Capp MP

更新日期：1982-07-01 00:00:00

abstract：PURPOSE:To assess the value of vertebral body endplate signal intensity (Modic) changes on magnetic resonance (MR) images in predicting a painful disk, with provocative diskography as the reference standard. MATERIALS AND METHODS:Lumbar spine diskograms and prediskogram MR images of 736 patients (2457 disks) were retr...

journal_title：Radiology

authors： Thompson KJ,Dagher AP,Eckel TS,Clark M,Reinig JW

更新日期：2009-03-01 00:00:00

abstract：:The authors reviewed 55 failed total condylar knee replacements, correlating the radiographic and surgical findings at removal or revision. Failure was due to infection in 20 cases, mechanical loosening in 18, instability without loosening in 10, malalignment without loosening in 4, a supracondylar fracture in 2, and ...

journal_title：Radiology

authors： Schneider R,Abenavoli AM,Soudry M,Insall J

更新日期：1984-08-01 00:00:00

abstract：PURPOSE:To determine diagnostic accuracy of four-channel multi-detector row computed tomography (CT) in emergency room and inpatient populations suspected of having acute pulmonary embolism (PE) who prospectively underwent both CT and pulmonary arteriography (PA). MATERIALS AND METHODS:Patients referred for PA to asse...

journal_title：Radiology

authors： Winer-Muram HT,Rydberg J,Johnson MS,Tarver RD,Williams MD,Shah H,Namyslowski J,Conces D,Jennings SG,Ying J,Trerotola SO,Kopecky KK

更新日期：2004-12-01 00:00:00

abstract：:Local relapse was suspected in 26 women treated conservatively for breast cancer. All women underwent routine magnetic resonance (MR) imaging and a dynamic MR subtraction study after injection of gadolinium-tetraazacyclododecanetetra-acetic acid. Twelve women had no local relapse. Surgical biopsy enabled confirmation ...

journal_title：Radiology

authors： Gilles R,Guinebretière JM,Shapeero LG,Lesnik A,Contesso G,Sarrazin D,Masselot J,Vanel D

更新日期：1993-08-01 00:00:00

abstract：:Forty-two hypertensive patients with fibromuscular dysplasia who had angiographic evidence of the development of new disease or of the progression of existing disease were studied. Renal arterial disease was classified as medial fibroplasia with aneurysms (12 patients), subadventitial fibroplasia (24 patients), or int...

journal_title：Radiology

authors： Goncharenko V,Gerlock AJ Jr,Shaff MI,Hollifield JW

更新日期：1981-04-01 00:00:00

abstract：:Pressure, or compressive, erosions of bone in various locations in patients with rheumatoid arthritis are described. Possible pathophysiologic mechanisms that account for the appearance and distribution of these erosions include osteopenia, soft-tissue laxity, soft-tissue pressure on bone, bone pressure on bone, and m...

journal_title：Radiology

authors： Monsees B,Destouet JM,Murphy WA,Resnick D

更新日期：1985-04-01 00:00:00

abstract：PURPOSE:To determine whether intraductal perfusion with chilled saline reduces thermal injury to bile ducts during radiofrequency (RF) ablation. MATERIALS AND METHODS:In swine, anesthesia was induced and the common bile duct was surgically cannulated with a pediatric feeding tube. RF thermal lesions were created adjac...

journal_title：Radiology

authors： Raman SS,Aziz D,Chang X,Ye M,Sayre J,Lassman C,Lu DS

更新日期：2004-07-01 00:00:00

abstract：PURPOSE:To determine the feasibility and safety of ultrasonographically (US) guided percutaneous radiofrequency (RF) ablation in the local treatment of invasive breast carcinomas 2 cm or less in greatest diameter. MATERIALS AND METHODS:RF ablation of 21 malignant lesions was performed in 20 patients immediately before...

journal_title：Radiology

authors： Fornage BD,Sneige N,Ross MI,Mirza AN,Kuerer HM,Edeiken BS,Ames FC,Newman LA,Babiera GV,Singletary SE

更新日期：2004-04-01 00:00:00

abstract：:Extramedullary plasmacytoma is a rare form of plasma cell dyscrasia, in which malignant plasma cell tumors arise outside the bone marrow. The tumor may arise in any part of the body but the vast majority occur in the head and neck, primarily in the nasal cavity, paranasal sinuses, or upper airway. Six patients with ex...

journal_title：Radiology

authors： Schabel SI,Rogers CI,Rittenberg GM,Bubanj R

更新日期：1978-09-01 00:00:00

abstract：PURPOSE:To determine the diagnostic accuracy of ultrasonographically (US) and stereotactically guided fine-needle aspiration biopsy (FNAB) in the diagnosis of nonpalpable breast lesions. MATERIALS AND METHODS:At 18 institutions, 442 women who underwent 22-25-gauge imaging-guided FNAB were enrolled. Definitive surgical...

journal_title：Radiology

authors： Pisano ED,Fajardo LL,Caudry DJ,Sneige N,Frable WJ,Berg WA,Tocino I,Schnitt SJ,Connolly JL,Gatsonis CA,McNeil BJ

更新日期：2001-06-01 00:00:00

abstract：:Renal allografts are subject to many vascular complications. Over a 2-year period, 334 duplex Doppler ultrasonographic (US) examinations were performed in 88 renal allograft recipients. Vascular occlusion on the basis of severe vascular rejection was documented in ten patients (11.4%) for a sensitivity and specificity...

journal_title：Radiology

authors： Taylor KJ,Morse SS,Rigsby CM,Bia M,Schiff M

更新日期：1987-01-01 00:00:00

abstract：PURPOSE:To report and correlate the clinical, histopathologic, and imaging findings in 15 patients with liver adenomatosis. MATERIALS AND METHODS:Fifteen adult patients had more than 10 hepatic adenomas each and no history of glycogen storage disease or anabolic steroid use. Ten of them underwent bolus-enhanced dynami...

journal_title：Radiology

authors： Grazioli L,Federle MP,Ichikawa T,Balzano E,Nalesnik M,Madariaga J

更新日期：2000-08-01 00:00:00

abstract：:Digital subtraction angiography (DSA) was used to study the cardiovascular system in more than 400 patients and was specifically compared with conventional angiography of the aorta and renal arteries in 30 patients. For the renal arteries, the overall accuracy of DSA was 71% (50/70). Excluding 11 cases of inadequate v...

journal_title：Radiology

authors： Buonocore E,Meaney TF,Borkowski GP,Pavlicek W,Gallagher J

更新日期：1981-05-01 00:00:00

abstract：:Normal pancreatic ultrasound studies of 28 patients were evaluated as to pancreatic echogenicity and correlated with the morphologic appearance of the pancreas on CT to test the hypothesis that increasing pancreatic echogenicity is related to greater fat infiltration. Statistical analysis indicates that fat is a major...

journal_title：Radiology

authors： Marks WM,Filly RA,Callen PW

更新日期：1980-11-01 00:00:00