Liver anatomy applied to the placement of transjugular intrahepatic portosystemic shunts.

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

abstract：PURPOSE:To evaluate the potential of anti-human epidermal growth factor receptor (HER)1- and anti-HER2-targeted radiolabeled antibodies and magnetic resonance (MR) imaging for imaging of orthotopic malignant pleural mesothelioma (MPM) in mouse models. MATERIALS AND METHODS:Animal studies with 165 mice were performed i...

journal_title：Radiology

authors： Nayak TK,Bernardo M,Milenic DE,Choyke PL,Brechbiel MW

更新日期：2013-04-01 00:00:00

abstract：:The findings on images of liposarcomas of the extremities in 48 patients (26 men and 22 women aged 20-85 years) were reviewed to correlate the histologic subtypes with radiologic appearance. Computed tomographic scans were obtained in 36 patients; magnetic resonance (MR) images, in 27 patients. The study group had 19 ...

journal_title：Radiology

authors： Jelinek JS,Kransdorf MJ,Shmookler BM,Aboulafia AJ,Malawer MM

更新日期：1993-02-01 00:00:00

abstract：PURPOSE:To compare diffusion tensor magnetic resonance imaging with conventional T2-weighted imaging for evaluation of white matter changes in patients with Krabbe disease. MATERIALS AND METHODS:In eight patients with Krabbe disease and eight age-matched control subjects, anisotropy maps were generated with diffusion ...

journal_title：Radiology

authors： Guo AC,Petrella JR,Kurtzberg J,Provenzale JM

更新日期：2001-03-01 00:00:00

abstract：PURPOSE:To clarify the magnetic resonance (MR) imaging characteristics of focal cortical dysplasia (FCD). MATERIALS AND METHODS:The authors reviewed the MR images of 14 patients with FCD, which was confirmed with histologic examination. RESULTS:MR images exhibited FCD in 13 of the 14 patients. All lesions were locali...

journal_title：Radiology

authors： Yagishita A,Arai N,Maehara T,Shimizu H,Tokumaru AM,Oda M

更新日期：1997-05-01 00:00:00

abstract：:The author reviews the regulatory process through which new cardiovascular interventional devices reach the hands of the interventional radiologist and the cardiologist. The marketing mechanisms are outlined, as are the data requirements. The reader is taken step-by-step from device investigation conducted under an ap...

journal_title：Radiology

authors： Reamer LA

更新日期：1990-03-01 00:00:00

abstract：PURPOSE:To determine whether perfusion-weighted and proton spectroscopic MR imaging can be used to differentiate high-grade primary gliomas and solitary metastases on the basis of differences in vascularity and metabolite levels in the peritumoral region. MATERIALS AND METHODS:Fifty-one patients with a solitary brain ...

journal_title：Radiology

authors： Law M,Cha S,Knopp EA,Johnson G,Arnett J,Litt AW

更新日期：2002-03-01 00:00:00

abstract：:Twenty angiographic procedures involving the superior mesenteric artery (SMA) were performed with balloon occlusion catheters in dogs with chronic liver cirrhosis and portal hypertension. The following complications were found: (a) rapid balloon inflation during angiography due to a leak between the two catheter lumen...

journal_title：Radiology

authors： Burgener FA,Gutierrez OH,Logsdon GA

更新日期：1981-09-01 00:00:00

abstract：PURPOSE:To assess interobserver and intraobserver reliability of three quantitative measures of coronary artery calcium burden: calcium "score," number of calcified lesions, and calcified area. MATERIALS AND METHODS:Electron beam computed tomographic (CT) scanning was used in a series of 25 patients to detect coronary...

journal_title：Radiology

authors： Kaufmann RB,Sheedy PF 2nd,Breen JF,Kelzenberg JR,Kruger BL,Schwartz RS,Moll PP

更新日期：1994-02-01 00:00:00

abstract：:HistoryA 63-year-old woman with a history of left mastectomy for breast cancer and partial gastrectomy with Roux-en-Y reconstruction for nonhealing peptic ulcer presented to the emergency department and reported a 1-month history of abdominal distention, fevers, chills, and flu-like symptoms. She was initially suspect...

journal_title：Radiology

authors： Davarpanah AH,Eberhardt LW

更新日期：2020-10-01 00:00:00

abstract：PURPOSE:To determine the patency of Wallstents placed across the venous anastomosis of prosthetic bridge grafts after percutaneous graft recanalization. MATERIALS AND METHODS:Wallstents were placed across 26 lesions at the venous anastomosis of polytetrafluoroethylene (PTFE) grafts in 25 patients (11 men, 14 women; ag...

journal_title：Radiology

authors： Patel RI,Peck SH,Cooper SG,Epstein DM,Sofocleous CT,Schur I,Falk A

更新日期：1998-11-01 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 identify wall enhancement patterns on vessel wall MRI that discriminate between stable and unstable unruptured intracranial aneurysm (UIA). Materials and Methods Patients were included from November 2012 through January 2016. Vessel wall MR images were acquired at 3 T in patients with stable (incidental and...

journal_title：Radiology

authors： Edjlali M,Guédon A,Ben Hassen W,Boulouis G,Benzakoun J,Rodriguez-Régent C,Trystram D,Nataf F,Meder JF,Turski P,Oppenheim C,Naggara O

更新日期：2018-10-01 00:00:00

abstract：:In order to assess its potential uses in the staging and treatment planning of lymphoma, CT was performed in 27 newly diagnosed, previously untreated patients with Hodgkin's disease or non-Hodgkin's lymphoma; 18 staging laparotomies provided pathologic correlations. CT detected and defined disease in areas not well ev...

journal_title：Radiology

authors： Breiman RS,Castellino RA,Harell GS,Marshall WH,Glatstein E,Kaplan HS

更新日期：1978-01-01 00:00:00

abstract：:Radiographs of 18 children thought to have carbonic anhydrase II deficiency were reviewed to assess intracranial calcification. These children have an autosomal recessive syndrome consisting of osteopetrosis, renal tubular acidosis, intracranial calcification, and developmental retardation. This calcification is in th...

journal_title：Radiology

authors： Cumming WA,Ohlsson A

更新日期：1985-11-01 00:00:00

abstract：PURPOSE:To describe a program for controlling intravenous use of low-osmolar contrast agents (LOCAs). MATERIALS AND METHODS:The department of radiology at the authors' institution adopted a policy of selective use of intravenously administered LOCAs. Clinical indications for LOCA use were specified after consultation ...

journal_title：Radiology

authors： Levin DC,Gardiner GA Jr,Karasick S,Shaber GS,Wechsler RJ,McArdle GH,Lockard CD,Harford RJ

更新日期：1993-12-01 00:00:00

abstract：PURPOSE:To compare conventional and Doppler ultrasound (US) with clinical and biopsy parameters used to assess disease activity and outcome in lupus nephritis and to assess the predictive value of US. MATERIALS AND METHODS:Thirty-four patients with lupus nephritis prospectively underwent laboratory and US analysis at ...

journal_title：Radiology

authors： Platt JF,Rubin JM,Ellis JH

更新日期：1997-04-01 00:00:00

abstract：PURPOSE:To describe the placement of a nasolacrimal polyurethane stent with a new introducer set and hook. MATERIALS AND METHODS:The authors designed a soft polyurethane stent, an introducer that does not require balloon dilation, and a hook that can remove a ball-tipped guide wire from the inferior nasal meatus under...

journal_title：Radiology

authors： Song HY,Jin YH,Kim JH,Huh SJ,Kim YH,Kim TH,Sung KB

更新日期：1995-01-01 00:00:00

abstract：:Radiation dose data were collected from a calibrated multi-detector row computed tomographic (CT) scanner during trauma CT. One protocol (used with 10 case subjects) involved a single-pass continuous whole-body acquisition from cranial vertex to symphysis pubis, while the other, conventional protocol (used with 10 con...

journal_title：Radiology

authors： Ptak T,Rhea JT,Novelline RA

更新日期：2003-12-01 00:00:00

abstract：PURPOSE:To describe a benign nodular lesion in the peripheral zone (PZ) of the prostate gland. MATERIALS AND METHODS:In 1,087 patients, the features of 722 focal lesions in the PZ or central zone of the prostate on transrectal ultrasound (TRUS) scans were retrospectively compared with histologic findings in biopsy sam...

journal_title：Radiology

authors： Oyen RH,Van de Voorde WM,Van Poppel HP,Brys PP,Ameye FE,Franssens YM,Baert AL,Baert LV

更新日期：1993-12-01 00:00:00

abstract：:In the assessment of vertebral bone mineral density (BMD) with quantitative computed tomography, accuracy is limited by systematic errors caused by beam-hardening effects and unknown marrow and fat concentrations in trabecular bone. Reproducibility depends on precise repositioning of the patient, selection of the regi...

journal_title：Radiology

authors： Kalender WA,Klotz E,Suess C

更新日期：1987-08-01 00:00:00

abstract：PURPOSE:To assess placental perfusion and permeability in mice with magnetic resonance (MR) imaging. MATERIALS AND METHODS:This study was conducted according to French law and National Institutes of Health recommendations for animal care. Twenty-two pregnant BALB/c mice were examined at 1.5 T with a single-section dua...

journal_title：Radiology

authors： Taillieu F,Salomon LJ,Siauve N,Clément O,Faye N,Balvay D,Vayssettes C,Frija G,Ville Y,Cuenod CA

更新日期：2006-12-01 00:00:00

abstract：PURPOSE:To determine whether infiltrative lung, airway, or vascular disease can be differentiated as the cause of mosaic attenuation on thin-section computed tomographic (CT) scans of the lung. MATERIALS AND METHODS:Thin-section CT scans were reviewed in 70 patients examined at three institutions. A mosaic attenuation...

journal_title：Radiology

authors： Worthy SA,Müller NL,Hartman TE,Swensen SJ,Padley SP,Hansell DM

更新日期：1997-11-01 00:00:00

abstract：:Eleven cases of superior mesenteric artery embolization are presented. The extent of bowel necrosis was found to be related to two major factors: the site of occlusion and the elapsed time between the onset of symptoms and definitive therapy. Angiography, available on an emergency basis, provides a definitive diagnosi...

journal_title：Radiology

authors： Kaufman SL,Harrington DP,Siegelman SS

更新日期：1977-09-01 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：:Although infrequent, esophageal rupture is a serious complication of pneumatic dilatation for the treatment of achalasia. Because of an experience with delayed recognition of esophageal perforation in a patient with achalasia, we now examine the esophagus using a water-soluble contrast medium immediately following eve...

journal_title：Radiology

authors： Stewart ET,Miller WN,Hogan WJ,Dodds WJ

更新日期：1979-03-01 00:00:00

abstract：:The dynamics of white blood cell (WBC) and 67Ga-citrate accumulation were studied in rabbits with subcutaneous polyethylene chambers. Uninfected chamber fluid (CF) contained less than 1,000 WBCs/mm3, most of which were mononuclear. After 67Ga injection, radioactivity increased slowly in uninfected fluid, peaked betwee...

journal_title：Radiology

authors： Tight RR,Siddiqui AR

更新日期：1981-07-01 00:00:00

abstract：:Renal failure induced by intravenous iodinated contrast media is a frequent medical problem. While such cases are generally reported first by the clinician, the phenomenon can be seen even earlier by the radiologist. An abnormally persistent nephrogram is a sign of abnormal clearance, which in turn should alert the ph...

journal_title：Radiology

authors： Older R

更新日期：1979-05-01 00:00:00

abstract：:Positron emission tomography (PET) provides metabolic information that has been documented to be useful in patient care. The properties of positron decay permit accurate imaging of the distribution of positron-emitting radiopharmaceuticals. The wide array of positron-emitting radiopharmaceuticals has been used to char...

journal_title：Radiology

authors： Rohren EM,Turkington TG,Coleman RE

更新日期：2004-05-01 00:00:00

abstract：:The National Electrical Manufacturers Association (NEMA) has established a new standard for x-ray tube focal-spot measurements using a focal-spot camera with a slit instead of a pinhole. Measurements from the slit focal-spot camera are compared and star resolution pattern techniques for 50 focal spots. In addition, me...

journal_title：Radiology

authors： Everson JD,Gray JE

更新日期：1987-10-01 00:00:00