Computed tomography of intracranial ependymomas.

abstract：:Multisection, dual-echo magnetic resonance (MR) transaxial images of blood vessels contain both anatomic and qualitative information about flow. Even so, the images are produced as a series of two-dimensional tomographic sections from which full visualization of connected structures is difficult. A computer algorithm ...

journal_title：Radiology

authors： Hale JD,Valk PE,Watts JC,Kaufman L,Crooks LE,Higgins CB,Deconinck F

更新日期：1985-12-01 00:00:00

abstract：:Adoptive immunotherapy with interleukin-2 (IL-2) is associated with a generalized vascular leak syndrome. Pulmonary edema is a common occurrence and is rarely responsible for acute respiratory failure requiring assisted ventilation. The authors have performed a retrospective review of chest radiographs in 19 patients ...

journal_title：Radiology

authors： Mann H,Ward JH,Samlowski WE

更新日期：1990-07-01 00:00:00

abstract：:The diagnostic accuracy of both planar and single-photon emission computed tomography (SPECT) bone scintigraphy, radionuclide angiography, arthrography, and conventional radiography was evaluated in 36 patients with temporomandibular joint (TMJ) dysfunction undergoing preoperative testing. The sensitivity of SPECT bon...

journal_title：Radiology

authors： Collier BD,Carrera GF,Messer EJ,Ryan DE,Gingrass D,Angell D,Palmer DW,Isitman AT,Hellman RS

更新日期：1983-11-01 00:00:00

abstract：:Percutaneous aspiration of the gallbladder was performed for nine hospitalized patients, most commonly to establish the diagnosis of acute cholecystitis and its complications in the critically ill patient or patient with sepsis. In five patients, aspiration alone was performed; in four, permanent percutaneous catheter...

journal_title：Radiology

authors： McGahan JP,Walter JP

更新日期：1985-06-01 00:00:00

abstract：:Eleven lesions of the brain were analyzed and compared; they had absorption coefficients uniformly at the cerebrospinal fluid (CSF) level following contrast enhancement, and ranged from benign to malignant and solid to cystic. Grossly solid tumors may have absorption coefficients on the CT scan equal to CSF even after...

journal_title：Radiology

authors： Latchaw RE,Gold LH,Moore JS Jr,Payne JT

更新日期：1977-10-01 00:00:00

abstract：:Diatrizoate (76%) contrast agent heated to 100 degrees C was injected into the veins of dogs and one human volunteer for the nonsurgical occlusion of the vessels. Follow-up venograms and histologic examinations, at intervals varying from one day to four weeks later, revealed thrombosis of the injected veins in all ani...

journal_title：Radiology

authors： Rholl KS,Rysavy JA,Vlodaver Z,Cragg AH,Castaneda-Zuniga WR,Amplatz K

更新日期：1982-11-01 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 postnatal outcome of nine patients with the prenatal diagnosis of fetal hydronephrosis is reported. In only three of the nine cases was true obstructive hydronephrosis demonstrated, and in only one of these cases (11%) the patient might have benefited from decompressive surgery at the time of diagnosis of the abno...

journal_title：Radiology

authors： Blane CE,Koff SA,Bowerman RA,Barr M Jr

更新日期：1983-04-01 00:00:00

abstract：:Fine needle, percutaneous aspiration of suspect lymph nodes was carried out in 29 patients during fluoroscopy. The correct positioning of the needle was assured if the node moved with the tip of the needle. In 29 patients, there were 65 successful aspirations and 29 failures. Anesthesia is recommended but care should ...

journal_title：Radiology

authors： Göthlin JH

更新日期：1976-07-01 00:00:00

abstract：PURPOSE:To determine the appropriate radiologic criteria of metastatic retropharyngeal lymph nodes (RLNs) in patients with nasopharyngeal carcinoma (NPC). MATERIALS AND METHODS:After institutional review board approval and informed consent, 303 consecutive NPC patients treated with definitive radiation therapy were ex...

journal_title：Radiology

authors： Zhang GY,Liu LZ,Wei WH,Deng YM,Li YZ,Liu XW

更新日期：2010-05-01 00:00:00

abstract：:Technetium-99m gamma camera images of kidneys produced with an iodine-131 energy window showed "ghosts" over and between the kidneys and between the kidneys and the bladder. The cause was coincidence summing at 281 keV due to a high 99mTc counting rate. In older model cameras careful peaking with a proper energy windo...

journal_title：Radiology

authors： Harris CC,Wilkinson RH Jr,Schuler FR

更新日期：1983-02-01 00:00:00

abstract：PURPOSE:To compare a glycosaminoglycan chemical exchange saturation transfer (gagCEST) imaging method, which enables sampling of the water signal as a function of the presaturation offset (z-spectrum) at 13 points in clinically feasible imaging times, with sodium 23 ((23)Na) magnetic resonance (MR) imaging in patients ...

journal_title：Radiology

authors： Schmitt B,Zbýn S,Stelzeneder D,Jellus V,Paul D,Lauer L,Bachert P,Trattnig S

更新日期：2011-07-01 00:00:00

abstract：:The right paratracheal stripe (RPS) is seen on postero-anterior chest radiographs as a thin, water-density stripe between the air column of the trachea and the adjacent right lung. The range of width of the RPS in 1,259 normal subjects was 1 to 4 mm. An RPS width of 5 mm or more is reliable evidence of disease. The di...

journal_title：Radiology

authors： Savoca CJ,Austin JH,Goldberg HI

更新日期：1977-02-01 00:00:00

abstract：PURPOSE:To assess the value of magnetic resonance (MR) imaging in the detection of postoperative complications after composite valve graft replacement. MATERIALS AND METHODS:Spin-echo and gradient-echo MR imaging was performed in 52 patients 1/2 to 200 months after composite graft replacement of the ascending aorta (2...

journal_title：Radiology

authors： Fattori R,Descovich B,Bertaccini P,Celletti F,Caldarera I,Pierangeli A,Gavelli G

更新日期：1999-08-01 00:00:00

abstract：:To assess objectively the sensitivity and specificity of low-field-strength (0.064 T) magnetic resonance (MR) imaging, a prospective blind study of 280 examinations was performed to compare low-field-strength MR imaging with computed tomography (CT) and with high-field-strength (1.5-T) MR imaging of the cranium. The s...

journal_title：Radiology

authors： Orrison WW Jr,Stimac GK,Stevens EA,LaMasters DL,Espinosa MC,Cobb L,Mettler FA Jr

更新日期：1991-10-01 00:00:00

abstract：:Purpose To investigate the feasibility of deformable, motion-coherent modeling based on electrocardiography-gated multidetector computed tomographic (CT) angiography of the thoracic aorta and to evaluate whether quantifiable information on aortic wall stress as a function of patient-specific cardiovascular parameters ...

journal_title：Radiology

authors： Mileto A,Heye TJ,Makar RA,Hurwitz LM,Marin D,Boll DT

更新日期：2016-07-01 00:00:00

abstract：:Background Existing guidelines are inconsistent regarding the indications for staging brain MRI in patients with newly diagnosed, early-stage non-small cell lung cancer (NSCLC). Purpose To evaluate the diagnostic yield of staging brain MRI in the initial evaluation of lung cancer. Materials and Methods This retrospect...

journal_title：Radiology

authors： Kim M,Suh CH,Lee SM,Kim HC,Aizer AA,Yanagihara TK,Bai HX,Guenette JP,Huang RY,Kim HS

更新日期：2020-11-01 00:00:00

abstract：PURPOSE:To evaluate the usefulness of a radiographic system with monochromatic synchrotron radiation to depict small vessels and peripheral secretory ducts. MATERIALS AND METHODS:Radiography of various organs was tested in 14 anesthetized dogs and pancreatography was performed in an excised human pancreas by using the...

journal_title：Radiology

authors： Mori H,Hyodo K,Tanaka E,Uddin-Mohammed M,Yamakawa A,Shinozaki Y,Nakazawa H,Tanaka Y,Sekka T,Iwata Y,Handa S,Umetani K,Ueki H,Yokoyama T,Tanioka K,Kubota M,Hosaka H,Ishikawa N,Ando M

更新日期：1996-10-01 00:00:00

abstract：PURPOSE:To evaluate the performance of a low-b-value diffusion-weighted (DW) echo-planar (EP) imaging sequence for detection of regional and diffuse myocardial edema in patients with acute myocarditis. MATERIALS AND METHODS:This study was approved by the institutional review board, and informed consent was obtained fr...

journal_title：Radiology

authors： Potet J,Rahmouni A,Mayer J,Vignaud A,Lim P,Luciani A,Dubois-Randé JL,Kobeiter H,Deux JF

更新日期：2013-11-01 00:00:00

abstract：PURPOSE:To assess the effectiveness of definitive radiation therapy in patients with superficial esophageal cancer. MATERIALS AND METHODS:Method of irradiation, local control rate, survival rate, and complications were assessed in 105 patients (89 men, 16 women; age range, 50-88 years) with superficial esophageal canc...

journal_title：Radiology

authors： Okawa T,Tanaka M,Kita-Okawa M,Nishio M,Kikuchi Y,Shirato H,Yamada S,Asakawa H,Niibe H,Dokiya T

更新日期：1995-07-01 00:00:00

abstract：:In real-time ultrasound examinations of six women, jets of urine were noted to enter the bladder during the filling phase. The jets appeared at irregular intervals, and each jet lasted from a fraction of a second up to three seconds. The ureters functioned independently of each other. The flow characteristics of the u...

journal_title：Radiology

authors： Dubbins PA,Kurtz AB,Darby J,Goldberg BB

更新日期：1981-08-01 00:00:00

abstract：:History A 55-year-old woman presented to our breast clinic with 1-year history of lancinating pain in the right breast that was exacerbated by blunt pressure and cold temperature. She denied any family history of breast cancer or any personal history of trauma, infection, or surgery of the breast. On clinical examinat...

journal_title：Radiology

authors： El Khoury M,Tran-Tranh D,Terrone D,David J,Lalonde L,Trop I

更新日期：2014-01-01 00:00:00

abstract：PURPOSE:To determine if digital chest images could be compressed in a primary interpretation context without perceived loss of fidelity (below the visually lossless threshold) at transilluminated film or cathode ray tube (CRT) display. MATERIALS AND METHODS:One hundred forty-four posteroanterior radiographs were obtai...

journal_title：Radiology

authors： Slone RM,Muka E,Pilgram TK

更新日期：2003-08-01 00:00:00

abstract：PURPOSE:To retrospectively correlate radiographic findings of osteoarthritis of the tibiofemoral joint with arthroscopic findings of articular cartilage degeneration within the tibiofemoral joint in patients with chronic knee pain. MATERIALS AND METHODS:The study was performed in compliance with HIPAA regulations. App...

journal_title：Radiology

authors： Kijowski R,Blankenbaker DG,Stanton PT,Fine JP,De Smet AA

更新日期：2006-06-01 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：:Aneurysms of the thoracic aorta simulated primary esophageal disease both clinically and radiographically in 5 patients. Four had an aortoesophageal fistula at the time of presentation; endoscopic biopsy of a presumed esophageal tumor precipitated hematemesis in the fifth patient. In retrospect, the fistulas were demo...

journal_title：Radiology

authors： Baron RL,Koehler RE,Gutierrez FR,Forrest JV,Weyman PJ

更新日期：1981-12-01 00:00:00

abstract：:Institutional review board approval, with waived consent, was obtained to develop a spine-labeling algorithm with retrospectively obtained deidentified HIPAA-compliant data. An automated magnetic resonance (MR) imaging technique to rapidly survey the entire spine and provide definitive numbering of disks and vertebrae...

journal_title：Radiology

authors： Weiss KL,Storrs JM,Banto RB

更新日期：2006-04-01 00:00:00

abstract：PURPOSE:To determine, with arterial spin labeling (ASL) perfusion magnetic resonance (MR) imaging and physostigmine challenge, if abnormal hippocampal blood flow in ill Gulf War veterans persists 11 years after initial testing with single photon emission computed tomography and nearly 20 years after the 1991 Gulf War. ...

journal_title：Radiology

authors： Li X,Spence JS,Buhner DM,Hart J Jr,Cullum CM,Biggs MM,Hester AL,Odegard TN,Carmack PS,Briggs RW,Haley RW

更新日期：2011-10-01 00:00:00

abstract：PURPOSE:To quantify dynamic enhancement of breast lesions with echo-planar and conventional magnetic resonance (MR) imaging, to correlate these data with histologic findings and vessel density, and to evaluate MATERIALS AND METHODS:Twenty female patients with 22 breast lesions underwent conventional and MR echo-planar...

journal_title：Radiology

authors： Hulka CA,Smith BL,Sgroi DC,Tan L,Edmister WB,Semple JP,Campbell T,Kopans DB,Brady TJ,Weisskoff RM

更新日期：1995-10-01 00:00:00

abstract：:Flow-alternating inversion-recovery magnetic resonance imaging was performed at 3.0 T to measure cerebral perfusion during rest and motor activation in six healthy adult volunteers. Results were compared with those at 1.5 T. The mean signal-to-noise ratio for both gray matter and white matter perfusion measured with a...

journal_title：Radiology

authors： Yongbi MN,Fera F,Yang Y,Frank JA,Duyn JH

更新日期：2002-02-01 00:00:00